There are no results for Particles q1 = -66.3 UC, q2 = +108 uC, and 93 = -43.2 uC are in a line. Particles q1 and q2 are separated by 0.550 m and particles q2 and q3 are separated by 0.550 m. What is the net force on particle q2? Remember: Negative forces (-F) will point Left Positive forces (+F) will point Right + 108 MC 92 -43.2 MC 93 0.550 m -66.3 MC 91 0.550 m

There Are No Results For Particles Q1 = -66.3 UC, Q2 = +108 UC, And 93 = -43.2 UC Are In A Line. Particles

Answers

Answer 1

The total of all forces acting on an object is known as the net force. A mass can accelerate due to net force.

How to calculate net force ?

The total of all forces acting on an object is known as the net force. A mass can accelerate due to net force. Whether a body is at rest or in motion, it is subject to another force. When there are a lot of forces acting on a system, the term "net force" is used.

here r12 = 0.550m r23= = 0.550m Then the distance from the first charge to the third one will be:

r13 =r12+r23=0.550+0.550 = 1.1m

According to the Coulomb's law, the net force on particle q2 will be equal to the sum of the forces on particle q2 from the particle q1 and q3.

F3+=F13+F23=q1q2/r²13 + k q3q2/r²23

Where k = 9×[tex]10^{9}[/tex] N m²/C²

Substituting numerical values, obtain:

F3= 9×[tex]10^{9}[/tex](-66.3 × [tex]10^{-6}[/tex])(-43.2×9×[tex]10^{-6}[/tex])/1.45²+9 ×[tex]10^{9}[/tex] 108×[tex]10^{-6}[/tex](-43.2 ×[tex]10^{-6}[/tex])/0.550²

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Related Questions

An increased concentration of what ion characterizes a solution of a base in
water?

Answers

hydroxide ion. An acid is a chemical that, when dissolved in water, raises H+.Compared to OH-, the concentration of H+ in basic solutions is low.

Which ion best describes a base solution in water?

A material is said to be an acid if it dissolves in water to form H+ ions, whereas a substance is said to be a base if it dissolves in water to form OH ions.

What one quality does an acidic substance have?

Ionic chemicals known as acids create positive hydrogen ions (H+) when they are dissolved in water.Acids have a sour flavor, conduct electricity, and combine with metals to form hydrogen gas when dissolved in water.

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a mass on a spring, moving with simple harmonic motion, vibrates with a frequency of 4.0 hz and an amplitude of 8.0 cm. if x = 8.0 cm when t = 0, find its speed when t = 3 s.

Answers

The speed at t = 3 sec is 0.025 meter

What is simple harmonic motion ?

Simple harmonic motion is described as a periodic motion of a point along a straight line, such as its acceleration is constantly towards a given point in that line and is proportional to the distance point .

According to the given information

For Simple Harmonic Motion of mass m on spring with spring constant K

The frequency of SHM is given by

f = [tex]\left(\frac{1}{2 \pi}\right) \sqrt{\frac{k}{m}}[/tex]

Rearranging

[tex]& \left(f^2\right)(2 \pi)^2=\frac{k}{m} \\[/tex]

[tex]& k=m\left(f^2\right)(2 \pi)^2[/tex]

Substituting

[tex]& k=(0.2 \mathrm{~kg})(4.0 \mathrm{~Hz})^2(2 \pi)^2[/tex] \\

[tex]& k=(0.2 \times 4.0 \times 4.0 \times 4 \times \pi \times \pi) \\[/tex]

[tex]& k=126.33 \mathrm{~N} \cdot \mathrm{m}^{-1} \\[/tex]

[tex]& k \approx 126 \mathrm{~N} \cdot \mathrm{m}^{-1} \\[/tex]

At t = 0 amplitude is maximum

Simple Harmonic Motion is of the form

x=A [tex]\cos (\omega x)[/tex]

At t = 0 s , x = A =[tex]8 \mathrm{~cm}$[/tex]

When t = 3 s

x = [tex](8 \mathrm{~cm}) \cos [(\omega)(3)][/tex]

Given

[tex]f=4 \mathrm{~Hz} \\[/tex]

[tex]& \omega=2 \pi f \\& \omega=2 \pi(4 \mathrm{~Hz}) \\& \omega=8 \pi \mathrm{Hz}[/tex]

Substituting the above values

[tex]& x=(8 \mathrm{~cm}) \cos [(8 \times 3.14)(3)] \\& x=(8 \mathrm{~cm}) \cos [92.99 \mathrm{rad}] \\& x=(8 \mathrm{~cm})(0.309) \\& x=2.47 \mathrm{~cm} \\& x=2.5 \times 10^{-2} \mathrm{~m} \\\left \{ {{y=2} \atop {x=2}} \right.[/tex]

x = 0.025 meters

The speed at t = 3 sec is 0.025 meter

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calculate the wavelength of a baseball (m = 155 g) moving at 32.5 m/s

Answers

The wavelength of the baseball is 1.32×10−34m 1.32 × 10 − 34 m .

What is wavelentgh?

Wavelength can be defined as the distance between two successive crests or throughs of a wave.

To calculate the equivalent of a baseball having Mars 155 g moving at =25.3 m/s. (So in this question we used the concept of the equivalent and how to  prevalent the  related with article mass and velocity). So π that is equal to H divided by M. V. Where π is the equivalent and M is the mass of particle V. Is the velocity and H is the plank's constant whose value =6.6 26 <10 arrays to power minus 34 kg meter square and the  second universe. And this Mv basically we can be  call it as particles momentum. This is the  particle's momentum because momentum that is this P is equal to M into so in the  march into willow stream that is known as it is  momentum. Let us see to the  data given in the question we are given masks by  of the  baseball 1 55 g and we know one kg that is =2000 g. So we have to convert this mask in terms of the kg. So which is equal to the  point of= 1 55 kg.

And so this kg  cancel out second universities also to the   So on solving this time we get =1.689 into =10 arrays to power -34 m. So  this is the equivalent of to the  baseball, So hence they equivalent of the baseball and this is =1.689 ×10, raised to power -34 m.

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2a. (5 points) using your multimeter, measure the dc resistance of the 100 mh inductor supplied in the parts kit. draw a model for the real inductor that includes this resistance. compute the maximum time constant for this component. do you think you could see the change of current with time with your multimeter?

Answers

The maximum time constant for this component is: 0.974 m/sec

What is multimeter?

A volt/ohm meter commonly referred to as a multimeter or multitester, is an electronic measuring device that integrates many measurement capabilities into a single unit. A standard multimeter could include capabilities to measure voltage, current, and resistance, among other things.

The multimeter, sometimes known as a "multitester," is a device that can perform several tests. It functions as an ohmmeter while measuring resistance, and displaying ohms.

Given that,

DC resistance ,

L = 100 mh

R = 102.6 Ω

Now, time constant, T = L/R

or, T = (100/ 102.6) m/sec

or, T = 0.974 m/sec

Thus, change of current will occur but this is very less because of the temperature difference.

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shinji presses a book between his hands as the picture indicates. the forces he exerts are perpendicular to the covers of the book. the book weighs 46 n. the coefficient of static friction between his hands and the book is 0.25. what is the minimum force that each hand must exert in order to keep the book from falling?

Answers

The normal force between the books = 46 N

The static friction coefficient = 0.25

Friction occurs when trying to move an object at rest on a surface without actually causing relative motion between the object and the surface on which it rests.

The force of the static friction can be found using the formula,

           F = μ x N

where F is the force of the static friction

          μ is the static friction coefficient and

          N is the normal force

Let us substitute the known values in the above equation, we get

     

       F = 0.25 x 46

          = 11.5 N

Therefore, the force of the static friction is 11.5 N

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The charge of the electron is -1.602x10-19 C. The charge of the proton is the same except positive. An electron and proton are separated by a distance. What is the distance, r; such that the electric force between them is 1.000 N? X l0l ?] m Hint: Ke = 8.99x109 N-m?/C2. Coefficient (green) Exponent (yellow) Enter

Answers

An electron and proton are separated by a distance, and the distance is: 1.517 × 10⁻¹⁴ m.

What is the charge of electron?

Positively charged particles include electrons. The magnitude of the negative charge is 1.602 x 10⁻¹⁹ C.

The electron, the lightest known stable subatomic particle, is regarded as the fundamental representation of electric charge.

Given that,

Charge of the electron is 1.602 x 10⁻¹⁹ C

electric force between them is 1.000 N

Electrostatic force between electron and proton:

F = [K × q(p) × q(e)] / r²

or, r² = [K × q(p) × q(e)] / F

or,  r² = (8.99 × 10⁹ N.m²/C²) × (1.602 × 10⁻¹⁹ C)²

or, r = 1.517 × 10⁻¹⁴ m

here. co-efficient = 1.517 and exponent = -14

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Label the arteries of the head and neck. Common carotid a. Axillary a. Brachiocephalic trunk External carotid a. Basilar a. Vertebral a. Internal carotid Occipital a. a. Subclavian a. Facial a. Which structure is highlighted and indicated by the leader line? Multiple Choice
O Right ventricle
O Right atrium
O Left atrium
O Left ventricle

Answers

the head and neck. Common carotid is O Right atrium, O Left atrium .

What are the four major arteries?

A celiac, mesenteric, renal, & iliac arteries are among these arteries.The iliac also branches into the leg and supplies blood to the pelvis.The femoral artery is the biggest artery in the leg.The blood flow to the upper leg is provided by this artery.

What are the arteries' functions?

Away from the heart, arteries transmit oxygen-rich blood to the various regions of the body.A pulmonary artery as well as the systemic artery are the two primary categories of arteries.Blood travels through the pulmonary arteries from the to the lungs, where it absorbs oxygen.

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an l-c circuit has an inductance of 0.380 h and a capacitance of 0.300 nf . during the current oscillations, the maximum current in the inductor is 1.20 a . part a what is the maximum energy emax stored in the capacitor at any time during the current oscillations? express your answer in joules.

Answers

0.08664 J is the maximum energy stored in the capacitor at any time during the current oscillations.

What is Electromagnetic Oscillation ?

Within an LC circuit oscillates back and forth between the electric fields of the capacitor and the magnetic field of the inductor. This oscillation is known as electromagnetic oscillation.

Energy stored in the IC oscillations is

E= 1/2 LI²

Here,

Inductance (I) = 1.2 A

Capacitance (L) = 0.380 H

Now put the values in above formula, we get the energy as

[tex]E_{max} = \frac{1}{2} \times 1.2 \times (0.380)^2[/tex]

         = 0.5 × 1.2 × 0.1444

         = 0.08664 J

   

What is capacitance?

Capacitance is the capability of a material object or device to store electric charge. It is measured by the change in charge in response to a difference in electric potential, expressed as the ratio of those quantities.

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When the velocity of a moving body decreae by equal amount in equal time,the body i aid to have??

Answers

If the velocity of moving body decreases by equal amounts in equal interval of time, it is said to have negative acceleration.

What is velocity?

The directional speed of an item in motion, as measured by a specific unit of time and observed from a certain point of reference, is what is referred to as velocity. The standard unit of velocity magnitude is the meter per second (m/s).

What is acceleration?

Acceleration is the rate at which an object's velocity with respect to time changes. Negative acceleration is the acceleration that results when a moving object's velocity decreases. When a body's velocity is decreasing, it typically experiences negative acceleration. Given that the velocity is rising in that direction, its direction is the inverse of the body's motion.

If the velocity of moving body decreases by equal amounts in equal interval of time, it is said to have negative acceleration.

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Identify a true statement about premarital education programs. Multiple Choice They tend to hinder the level of communication between couples. They are linked to a lower level of marital satisfaction. They tend to increase the likelihood of divorce. They are linked to a higher level of commitment to a spouse. Anorexia nervosa and bulimia nervosa affect Multiple Choice men more than women. women more than older men but less than younger men. men and women equally. women more than men. Which of the following statements is true of pubertal growth spurt? Multiple Choice During their growth spurt, girls increase in height about 4 Inches per year. The peak rate of pubertal change occurs at 11 years for boys. The mean age at the beginning of the growth spurt in girls is 11. The growth spurt occurs approximately 2 years earlier for girls than for boys.

Answers

The true statement for the three given scenarios is: premarital education programs are linked to a higher level of commitment to a spouse; Anorexia nervosa and bulimia nervosa affect women more than men; pubertal growth spurt occurs approximately two years earlier for girls than for boys.

Premarital education programs concentrated on preventing marital distress by promoting discussion of hidden assumptions about marriage and teaching couples the art of communication and relationship skills before problems develop. Hence, they are linked to a higher level of commitment to a spouse. Anorexia nervosa and bulimia nervosa are eating disorders which are more common among female than men according to research. Pubertal growth spurt refers to the fast and intense increase in the rate of growth in height and weight that occurs during the adolescent stage of the human life cycle. A major growth spurt happens at the time of puberty, usually between 8 to 13 years of age in girls and 10 to 15 years in boys. Hence, it occurs approximately two years earlier for girls than for boys.

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consider the distance-measuring technique called main sequence fitting, the third step on the cosmic distance ladder. imagine plotting the apparent brightness vs. temperature for two clusters on the same graph. even though this is not a true h-r diagram, you can still recognize which stars are main-sequence stars in each cluster. suppose one of the clusters is the hyades (the face of taurus, the bull), whose distance is known from stellar parallax. if the other cluster's main sequence stars are all one-fourth (1/4) the brightness as seen from earth, then how far away is the other cluster?

Answers

If the other cluster's main sequence stars are all one-fourth (1/4) the brightness as seen from earth, then now far away is Twice as far away as the Hyades.

Astronomers use various techniques to degree relative distances within the Universe, relying upon the object being observed. together these techniques are known as the cosmic distance ladder. it's called a ladder for true cause — each rung or dimension method relies upon the preceding step for calibration.

The universe is the whole lot. It includes all of space, and all the matter and strength that area carries. It even consists of time itself and, of route, it consists of you. Earth and the Moon are part of the universe, as are the other planets and their many dozens of moons.

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Which of the following statements about your derivation of the ideal gas law are true? Check all that apply. The Equipartition Theorem implies that )-G). O(2)Z) owing to inelastic collisions between the gas molecules. With just one particle in the container, the pressure on the wall (at z - Lz) is independent of Ly and L. O With just one particle in the container, the average force exerted on the particle by the wall (at -Lz) is independent of Ly and Lz Submit Previous Answers Request Answer

Answers

The equipartition theorem predicts that (Vx)²=(Vy)². The average force this wall applies to a particle in a container containing a single particle is independent of Ly& Lz.

The equipartition theorem establishes a connection between a system's temperature and average energy in classical statistical mechanics. Other names for the equipartition theorem include the law of equipartition, the equipartition of energy, and just the word "equipartition." A molecule's average kinetic energy per degree of freedom in translational motion should be equal to that in rotational motion, for example, according to the basic concept of equipartition, which states that energy is distributed equally among all of its many forms in thermal equilibrium.

Quantitative predictions are made using the equipartition theorem. Similar to the virial theorem, it provides the total average kinetic and potential energies for a system at a specific temperature, allowing one to calculate the system's heat capacity. Equipartition, however, also provides the average values for each of the energy's component parts.

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water comes down the spillway of a dam from an initial vertical height of 175 m. what is the highest possible speed of the water at the end of the spillway?

Answers

The speed of water at the end of spillway is 58.5 (m/s)

Calculation:

According to the Bernoulli equation:

P/x + v^2/2 + gz = constant

The initial vertical height of 175 m

However, the atmospheric pressure and density are essentially the same at the peak and bottom of the falls. Therefore,

v^2/2 + gz = constant , so:

v_bottom^2/ 2 = v_top^2/2 + gz, or:

v_bottom = √(v_top^2 + 2gz) = √(v_top^2 + 2g*175)

If v_top ≈ 0, then:

v_bottom = √(2gz) = √(2*9.8*175) = 58.5  (m/s)

What is the flow rate of water?

The amount of water that might theoretically flow out of your kitchen faucet or bathtub each minute is measured by your water flow rate, sometimes referred to as the gallons per minute (GPM). the flow rate is affected by a number of variables, but the household size is the most important one.

Therefore,  the highest possible speed of the water at the end of the spillway is 58.5m/s

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rag the appropriate labels to their respective targets. Reset Help Pons Il Midbrain Hypothalamus Spinal cord UM Cerebellum Thalamus Pineal gland Medulla oblongata

Answers

Pons, Midbrain, Hypothalamus, Spinal cord ,UM Cerebellum, Thalamus Pineal gland, Medulla oblongata are the parts of brain.

Hypothalamus : Is located at the base of the brain, the release hormones and regulate body temperature.

Pons :  is part of the brainstem located Superior To The Medulla and inferior To Midbrain.

Medulla Oblongata : Part Of Brain Stem , located Inferior To Pons, plays an important role in passing messages between spinal cord and brain.

Spinal Cord : Is a Structure made up of nervous tissue, it is Long and Thin.

Cerebellum : Located Near The Brainstem , and Is Major Part Of Hindbrain , primarily involved in coordinating movement and balance.

Midbrain :  Is the Uppermost part of the brainstem

There are three main parts of the midbrain - the colliculi, the tegmentum, and the cerebral peduncles.

Pineal Gland : Is a Pea Shaped Gland which produce and secrete the hormone melatonin.

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what is it called when the right side of a design is reflected across a central axis and mirrored on the left side of the design?

Answers

When the right side of a design is reflected across a central axis and mirrored on the left side of the design is called vertical symmetry.

What is the reflection of light?

Whenever light bounces off something, that is reflection. The light will be reflected in the same direction from a smooth, shining surface, such as glass, water, or polished metal. The term for this is specular reflection. When light strikes a smooth surface, it bounces back at the same angle.

What are the laws of reflection of light?The incident ray's angle with the normal is the same as the reflected ray's angle with the normal.All three rays—the incident, normal, and reflected—are in the same planes.The incident ray and the refracted are on opposite sides of the baseline.

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This type of energy utilizes heat that is stored beneath Earth's surface to heat water and produce steam. What is it?

Answers

Geothermal energy is the term for the heat that is produced deep within the Earth's core. Geothermal energy is a clean, renewable energy source that may be utilized to produce both heat and electricity.

What type of energy is the heat under the earth's surface generated by?

Geothermal energy is the name for the heat that exists within the Earth. The name "geothermal" comes from the Greek words "geo" (earth) and "therme" (heat). Geothermal energy is a renewable energy source since heat is constantly generated underground. Geothermal energy comes from the Earth's underground hot water reserves. Geysers or hot springs naturally emerge as this hot water rises to the surface.

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consider the following circuit. after leaving the switch at the position a for a long time, move the switch from a to b. there will be current oscillations.

Answers

After leaving the provided switch at the given position for a longer time, then its moves given switch from a to b. At t = 0, the left part of the plate C has charge q=max and therefore, the current flowing through it is zero.

Oscillation is the repetitive or periodic variation, usually in time, of a few degree approximately a crucial value (regularly a factor of equilibrium) or among or extra one-of-a-kind states. Familiar examples for all oscillation encompass a swinging type of pendulum with alternating current. A wave is stated to oscillate, which means to transport to and fro in a regular, repeating way.

This fluctuation may be among extremes for all position, like force, or quantity. Different sorts of waves have one-of-a-kind sorts of oscillations. Longitudinal type of waves: here Oscillation is parallel  route of the wave.

The maximum charge stored in the capacitor is,

Q== CE .......(1)

i=0

At t=t/4 the left part of the plate C has charge q = 0 and therefore, the current flowing through it is clockwise.

i= clockwise

At t=t/2, the left part of the plate C has charge q=-9max and therefore, the current flowing through it is zero.

i=0

At t=3t/4, the left part of the plate C has charge q=0 and therefore, the current flowing through it is counter clockwise.

i=counter clockwise.

At t = 0, the left part of the plate C has charge q=max and therefore, the current flowing through it is zero.

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if the tension in the rope is 120 nn , how much work is done on the crate to move it 18 mm ?

Answers

If  the tension in the rope is 120 nn. 1579.72  work is done on the crate to move it 18 mm.

What is  work ?

Work in physics is the energy that is transferred to or from an item when a force is applied along a displacement. In its simplest form, it equals the product of the force's magnitude and the distance traveled for a constant force directed in the same direction as the motion.

[tex]\begin{aligned}W & =F \cdot d \cos \theta \\& =120 \times 18 \times \cos 43^{\circ} \\& =1579.72 \mathrm{~J}\end{aligned}[/tex]

Work is the result when there is a transfer of energy and force is applied to move an object into wherever the force is directed. Therefore, energy and force are both involved in doing work.

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Pre-lab ASSIGNMENT 16B Anatomy of the Endocrine System Complete the labeling activity in FIGURE 16.2 by identifying each of the glands or structures shown 限 16 FIGURE 16.2 Endocrine glands, models LAB EXERCISE 16 The Endocrine System

Answers

The endocrine glands of endocrine system are mentioned as follows -

1. Hypothalamus

2. Anterior Pituitary

3. Posterior Pituitary

4. Thyroid gland

5. Adrenal glands

6. Testis

7. Pancreas

8. Parathyroid gland

9. Ovary

Hypothalamus is the control coordinating centre and maintains homeostasis. The anterior pituitary is responsible for cellular processes and posterior pituitary maintains ion balance. Thyroid gland regulates metabolism, adrenal glands prepare body for stress conditions.

Testis is responsible for secondary characteristics of males, pancreas aids digestion, parathyroid gland has role in calcium and phosphorus levels and ovary is responsible for reproduction.

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please help! 30 points !!!

1) Is the relationship between energy and amplitude linear or nonlinear? How can you tell?

2) What does it mean to be proportional rather than equal?

3) How is a wave's energy affected if its amplitude is doubled?

4) A wave's amplitude is halved. How does this affect its energy?

5) Wave A has an amplitude of 1 unit. Wave B has an amplitude of 5 units. How does the energy of the two waves compare?

"Mathematical models are helpful in understanding the properties of waves. The relationship between energy and amplitude is shown in this graph. This means that the energy of a wave is proportional to the square of its amplitude. This relationship is shown on the graph. Study the graph and apply your understanding of waves and mathematical relationships to answer the questions below. "

Answers

The relationship between energy and amplitude is nonlinear because the graph is a curve.

Proportional means concurrent increase or decrease while equality means that two quantities are the same.

A wave's energy is increased four-fold if its amplitude is doubled.

If a wave's amplitude is halved, its energy is reduced to a quarter of its original value.

The energy of wave B is 25 times the energy of wave A.

What is the relationship between the amplitude and energy of a wave?

The amplitude of a wave is the maximum upward or downward displacement of a wave from its mean position.

The amplitude of a wave is the distance from the center line to the highest point or crest or the lowest point or trough of a wave.

The energy of a wave is the work that a given wave can do.

The energy of a wave is directly proportional to the square of the amplitude of a wave.

Hence, the energy of a wave increases with its amplitude.

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consider hitting a baseball with a bat. if we call the force on the bat against the ball the action force, identify the reaction force.

Answers

If the action force is the force applied by the bat to the ball, then the reaction force is the force applied by the ball to the bat.

Explain the term action force?

A force that's also applied to something is known as an action force.

An action force with an opposite direction has an effect called a reaction force. These two forces—also referred to as reaction and action forces—are covered by Newton's third law of motion.A ball bounces back when it is tossed against the ground or a wall. The action force is the force that the ball applies to the ground or wall. The ball jumps or bounces back due to the force that the wall or the ground applies to it in reaction to the action force.

If the bat's force on the ball is indeed the action force, therefore the ball's force on the bat must be the response force.

Thus, the ball's speed increases and the bat's speed decreases as a result of this force.

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a child in a tree house uses a rope attached to a basket to lift a 26 nn dog upward through a distance of 5.0 mm into the house.

Answers

Total work done is 0.13 Joules

What is work done ?

The sum of the displacement and the component of the applied force of the object in the displacement direction is the work done by a force.

According to the given information

We need to find the work done

work done  = force × distance

We are given,

force  = 26 N

Distance = 0.0005 meter

hence ,

Work done  = 26 × 0.005  

                   = 0.13 Joules

Total work done is 0.13 Joules

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ASAP HELP 80 POINTS !!!!!!!! Answer the questions in this lab, fill in data tables, and provide the two scatter plot graphs requested and submit.

Determine the reaction time for an individual in multiple trials using kinematics.
Calculate an experimental value for the acceleration due to gravity.

Record the distance the ruler falls. Then use the distance to determine the reaction time.

Trial one. [The ruler is caught at 48 centimeters]

Trial two. [The ruler is caught at 41 centimeters]

Trial three. [The ruler is caught at 29 centimeters]

Trial four. [Trial four] [The ruler is caught at 41 centimeters]

Trial five. [Trial five] [The ruler is caught at 40 centimeters]

Trial six. [Trial six] [The ruler is caught at 42 centimeters]

Answers

To determine the reaction time for an individual using kinematics, we need to first collect data on the distance that the ruler falls and the time it takes for the individual to catch it. We can then use this data to calculate the reaction time for each trial.

Here is a data table that includes the distance the ruler falls and the corresponding reaction time for each trial:

Trial Distance (cm) Reaction Time (s)

1 48 0.80

2 41 0.68

3 29 0.48

4 41 0.68

5 40 0.67

6 42 0.70

To calculate the reaction time for each trial, we need to use the formula:

Reaction Time = √(2 * Distance / Acceleration Due to Gravity)

We can use this formula to calculate the experimental value for the acceleration due to gravity. We can then use this value to calculate the reaction time for each trial.

To calculate the experimental value for the acceleration due to gravity, we can use the following formula:

Acceleration Due to Gravity = (Distance / Reaction Time^2) / 2

Using this formula, we can calculate the experimental value for the acceleration due to gravity as follows:

Acceleration Due to Gravity = (48 / 0.80^2) / 2 = 9.60 m/s^2

Using this value for the acceleration due to gravity, we can then calculate the reaction time for each trial as follows:

Trial Distance (cm) Reaction Time (s)

1 48 0.80

2 41 0.68

3 29 0.48

4 41 0.68

5 40 0.67

6 42

many massive stars end their life cycles as black holes. why do astronomers not believe the sun will end its life cycle as a black hole?(1 point)

Answers

Black holes form when the center of a very massive star to  collapses in upon itself.

What is black hole?

A black hole is a place in the  space where gravity pulls so this is  much that even light of  can not get out. There are  gravity is so strong because of  matter has been the  squeezed into a tiny space. This can happen when a star by  dying. Because no light is  can get out, people can't  see in  black holes. They are the  invisible.

This is  collapse also causes by a  supernova, or an exploding by  star, that blasts part of to the  star into space.

The Sun would need to be about 20 times more to the  massive to end its life as anb blackhole. Stars that are the  born this size or larger can be  explode into a supernova at the end of their lifetimes and it is  before collapsing back into the  black hole, an object with not with  gravitational pull so strong that nothing, not even light,  can be escape.

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a weight of 50.0 n is attached to the free end of a light string wrapped around a reel with a radius of 0.250 m and a mass of 3.00 kg. the reel is a solid disk, free to rotate in a vertical plane about the horizontal axis passing through its center. the weight is released 6.00 m above the floor. (a) determine the tension in the string, the acceleration of the mass, and the speed with which the weight hits the floor. (b) find the speed calculated in part (a), using the principle of conservation of energ

Answers

The tension in the string, the acceleration of the mass, and the speed with which the weight hits the floor are 11.36 N, 7.57 m/s², and 9.53 m/s, respectively. (b) The speed is 9.53 m/s.

Given:

Force, F₁ = 50 N

Radius, r = 0.25 m

Mass, m =3 kg

Distance, d = 6 m

(a)

The tension in the string and acceleration is:

F₁ - T =  (F₁÷g)a

50-T=(50÷9.8)×a

The tension can also be expressed as:

Tr = (Fr²a)÷m

T×0.25=0.5×0.25²×a÷0.25

Solving the equation:

T=11.36 N

a=7.57 m/s²

The speed is:

v² = u² -2as

v² = 0 + 7.57×2×6

v= 9.53 m/s

(b) From the conservation of energy:

Mgh=0.5×v×v + 0.5×I×(v/r)²

3×9.8×6 = 0.5×v×v + 0.5×I×(v/0.25)²

v = 9.53 m/s

Hence, (a) The tension in the string, the acceleration of the mass, and the speed with which the weight hits the floor are 11.36 N, 7.57 m/s², and 9.53 m/s, respectively. (b) The speed is 9.53 m/s.

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If the Sun were twice as massive O its pull on the Earth would double the pull of the Earth on the Sun would double 0 ils pull = on the Earth would double; and the pull of the Carlh 0n lhe Sun would double: none of the other choices arc correct

Answers

If the Sun were twice as massive then c)its pull on the Earth would double, and the pull of the Earth on the Sun would double. So, correct option is c.

Newton's law of gravitation looks like Coulomb's law of electrical powers, which is utilized to work out the extent of the electrical power emerging between two charged bodies. Both are reverse square regulations, where power is conversely relative to the square of the distance between the bodies. Coulomb's regulation has the result of two charges instead of the result of the majority, and the Coulomb consistent instead of the gravitational steady.

Newton's regulation has later been supplanted by Albert Einstein's hypothesis of general relativity, yet the comprehensiveness of gravitational consistent is flawless the law actually keeps on being utilized as a fantastic guess of the impacts of gravity in many applications.

Hence, correct option is c.

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(Complete question) is:

If the Sun were twice as massive

a)its pull on the Earth would double.

b)the pull of the Earth on the Sun would double.

c)its pull on the Earth would double, and the pull of the Earth on the Sun would double.

d) none of the other choices are correct.

if you double the radiating surface area of a star while keeping its temperature constant, its power output increases by a factor of

Answers

A star's power output doubles when its radiating surface area doubles while its temperature remains constant.

Relation between power output and radiating surface area:

When referring to black body radiation, however, Wikipedia maintains that the radiation released is proportionate to the surface. If you increase the surface area, the radiation will also double.

If you consider a radiator (the sun, a lightbulb, etc.) to have constant power (for example, 60 W), you could indeed increase its surface in just about any way you like, provided the material just diffracts radiation rather than absorbing it. However, the power it emits will never change; it will always be, for example, 60 W. Simply put, this is energy conservation. It is not a temperature issue.

Thus, a star's power output doubles when its radiating surface area doubles while its temperature remains constant.

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the cosmic microwave background radiation was produced when the temperature of the universe was around 3,000 k. by what factor has the universe expanded between then and now?

Answers

When the universe's temperature fell below 3000 K and a plasma of protons and electrons came together in the early cosmos, the CMBR was created.

Why do we see a 3k cosmic microwave background?

The blackbody radiation is seen as a remnant of the transparency point at  the expanding universe dropped below about 3000K so that radiation could escape.

What happened after the cosmic microwave background?

Matter then became neutral, and allowed the light to travel freely: the Universe became transparent. The relic of that 'first light' is the CMB. Since the time when that radiation was released, the Universe has expanded, becoming at the same time cooler and cooler.

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in a region of space, an electromagnetic wave moves to the right, as indicated in the above diagram. at one moment, the magnitude of the electric field at the indicated point is 2662, and its direction is out of the page. at this point and time, what is the magnitude of the associated magnetic field?

Answers

Given that the magnetic field is perpendicular to both the electrostatic potential and the electromagnetic wave, its strength will be equal to E/c, where c is the speed of light.

Why is electromagnetic energy used?

Wire coils with electricity running through them are used to create electromagnets. The coils of copper in an electromagnet behave like a magnet when an electric current flows through them because moving charges produce magnetic fields.

Its name is electromagnetic for a reason.

And we refer to these waves as "electromagnetic" because they include magnetic fields in addition to electric fields. We also refer to them as "waves" because, like all other waves that we have seen, they travel outward in accordance with wave equations.

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what is the minimum potential difference between the filament and the target of an x-ray tube if the tube is to produce x-rays with a wavelength of 0.160 nm ?

Answers

The minimum potential difference between the filament and the target of the X-ray tube to produce X-rays with a wavelength of [tex]\(0.160 \, \text{nm}\)[/tex] is approximately [tex]\(7750 \, \text{V}\)[/tex].

The shortest wavelength [tex](\(\lambda_{\text{shortest}}\))[/tex] produced by the X-ray tube is approximately [tex]\(0.365 \, \text{nm}\)[/tex].

To calculate the minimum potential difference [tex](\(V\))[/tex] between the filament and the target of an X-ray tube to produce X-rays with a specific wavelength, we can use the equation for the energy of a photon [tex](\(E\))[/tex]:

[tex]\[E = \frac{hc}{\lambda}\][/tex]

Where:

[tex]\(h\)[/tex] is the Planck's constant [tex](\(6.626 \times 10^{-34}\) J·s)[/tex],

[tex]\(c\)[/tex] is the speed of light in a vacuum [tex](\(2.998 \times 10^8\) m/s)[/tex], and

[tex]\(\lambda\)[/tex] is the wavelength of X-rays [tex](\(0.160\) nm)[/tex].

We also know that the energy of a photon is related to the potential difference [tex](\(V\))[/tex] by the equation:

[tex]\[E = eV\][/tex]

Where:

[tex]\(e\)[/tex] is the elementary charge [tex](\(1.602 \times 10^{-19}\) C)[/tex].

Now, we can equate these two expressions for energy and solve for [tex]\(V\)[/tex]:

[tex]\[\frac{hc}{\lambda} = eV\]\\\\\V = \frac{hc}{e\lambda}\][/tex]

Substitute the given values:

[tex]\[V = \frac{(6.626 \times 10^{-34} \, \text{J·s}) \times (2.998 \times 10^8 \, \text{m/s})}{(1.602 \times 10^{-19} \, \text{C}) \times (0.160 \times 10^{-9} \, \text{m})}\][/tex]

[tex]\[V = \frac{1.9876 \times 10^{-15} \, \text{J·m}}{2.5632 \times 10^{-28} \, \text{C}}\]\\\\\V \approx 7750 \, \text{V}\][/tex]

So, the minimum potential difference between the filament and the target of the X-ray tube to produce X-rays with a wavelength of [tex]\(0.160 \, \text{nm}\)[/tex] is approximately [tex]\(7750 \, \text{V}\)[/tex].

Now, to find the shortest wavelength [tex](\(\lambda_{\text{shortest}}\))[/tex] produced by the tube, we can rearrange the equation for [tex]\(V\) in terms of \(\lambda\)[/tex]:

[tex]\[\lambda = \frac{hc}{eV}\][/tex]

Substitute the minimum potential difference [tex](\(V = 7750 \, \text{V}\))[/tex] into the equation:

[tex]\[\lambda_{\text{shortest}} = \frac{(6.626 \times 10^{-34} \, \text{J·s}) \times (2.998 \times 10^8 \, \text{m/s})}{(1.602 \times 10^{-19} \, \text{C}) \times (7750 \, \text{V})}\]\\\\\\lambda_{\text{shortest}} = \frac{1.9876 \times 10^{-15} \, \text{J·m}}{1.2385 \times 10^{-15} \, \text{C}}\][/tex]

[tex]\rm \[\lambda_{\text{shortest}} \approx 0.365 \, \text{nm}\][/tex]

So, the shortest wavelength [tex](\(\lambda_{\text{shortest}}\))[/tex] produced by the X-ray tube is approximately [tex]\(0.365 \, \text{nm}\)[/tex].

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