When there is an uneven arrangement of electrons and protons on a circular arc of radius, the net electric field produced at the center of the axis will depend on the magnitude and distribution of the charges.
The net electric field at the center of the axis is given by the vector sum of the electric fields produced by each individual charge. The magnitude of the net electric field is given by Coulomb's law. The direction of the net electric field is given by the direction of the vector sum of the electric fields.
To calculate the magnitude and direction of the net electric field, it is necessary to know the magnitudes and locations of the charges on the circular arc, as well as the distance from the center of the axis to the charges.
It's also important to note that this is a complex calculation and it would require a detailed knowledge of the charge distribution and the geometry of the circular arc to make a precise calculation.
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alana drew a diagram to compare the life cycles of low-mass and high-mass stars. a venn diagram with 2 intersecting circles. the left circle is labeled low-mass stars and the right circle is labeled high-mass stars. there is an x in the low-mass stars circle, z in high-mass stars circle and y in the intersecting areas. which labels belong in the areas marked x, y, and z?
Low mass stars vary in that they have longer life cycles and develop into white dwarfs. Supernova explosions occur in high mass stars, which also have shorter life cycles.
What should be said about a Venn diagram?Circles are used in a Venn diagram to depict the relationships between individual items or small groups of things. Circles that overlap have certain qualities, but circles that do not overlap do not. Venn diagrams help you to more easily see the relationships and differences between two ideas.
What should be said about a Venn diagram?Circles are used in a Venn diagram to depict the relationships between individual items or small groups of things. Circles that overlap have something in common, but circles that don't share nothing.
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if a curve with a radius of 98 m is properly banked for a car traveling 68 km/h , what must be the coefficient of static friction for a car not to skid when traveling at 93 km/h ?
Thus, the coefficient of static friction for a car not to skid when travelling at 95 km/h is 0.32.
What is Centripetal force?
A centripetal force is a force that is delivered to a curved object and is directed toward the axis of rotation or the centre of curvature.
Centripetal force is measured in Newtons.
The centripetal force always acts in a direction that is opposite to the direction in which the object is travelling. Using Newton's second rule of motion, it is established that the centripetal force of an object moving in a circular path always acts in the direction of the circle's centre.
According to the Centripetal Force Formula, the centripetal force is calculated as the square of the radius and the product of the mass (in kg) and tangential velocity (in m/s) (in metres). According to this calculation, the tangential force will increase by twice as much as the centripetal force.
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State the basic assumptions of the kinetic theory.
A longitudinal wave has a compression to compression distance of 10 m it takes the wave of 5s to pass a point what is the wavelength of the longitudinal wave
The wavelength of the longitudinal wave will be 10meters.
What is wavelength?The wavelength is described as the spatial period of a periodic wave which is the distance over which the wave's shape repeats.
wavelength = v/frequency
frequency = 1/T
frequency = 1/5
velocity= 10/5 = 2m/s
Therefore the wavelength of the longitudinal wave = 2/ 0.2
wavelength = 10meters
The wavelength is the distance between two wave crests, and it will be the same for troughs.
The frequency is the number of vibrations that pass over a given spot in one second, and it is measured in cycles per second Hertz.
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Suppose you have a tug of war with a friend who is the same size and weight as you are. You both pull as hard as you can, but neither of you seems to be winning. You move a little one way or the other, but mostly you are just at rest (although sweating some). Compare the magnitude of the force exerted by you on your friend, with the magnitude of the force exerted by your friend on you. Are they the same or different? If they are not the same, which is larger? Why or why not? b. Now you have a tug of war with your kid brother (who is much smaller and lighter than you). Again you both pull hard but end in a standoff with neither of you moving much. In this situation compare the magnitude of the force you exert on your brother with the magnitude of the force he exerts on you. Are they the same or different? If they are not the same, which is larger? Why or why not? c. The next tug of war is still with your kid brother but he is now standing on his skateboard. You can now make him roll across the floor (with a constant speed) when you pull hard. In this situation compare the magnitude of the force you exert on your brother with the magnitude of the force he exerts on you. Are they the same or different? If they are not the same, which is larger? Why or why not? 2.
The changes in magnitude are stated below.
What is magnitude?
The magnitude of a physical quantity is the numerical value of that quantity, without any regard to its direction. It is a scalar quantity. The magnitude of a vector can be obtained by the application of the Pythagorean theorem to its rectangular components. For example, the magnitude of a velocity vector can be found by taking the square root of the sum of the squares of its x, y, and z components.
a. In a tug of war with a friend who is the same size and weight as you, the magnitude of the force exerted by you on your friend is the same as the magnitude of the force exerted by your friend on you. This is due to the principle of action and reaction, also known as Newton's Third Law, which states that for every action, there is an equal and opposite reaction. In this case, the force you exert on your friend is equal in magnitude but opposite in direction to the force your friend exerts on you. This is why neither of you is able to move the other, as the forces are in balance.
b. In a tug of war with your kid brother, who is much smaller and lighter than you, the magnitude of the force you exert on your brother is likely to be larger than the magnitude of the force he exerts on you. This is because your brother's smaller size and weight means that he generates less force when pulling on the rope. However, the forces are still in balance, as per Newton's Third Law.
c. In a tug of war with your kid brother on his skateboard, the magnitude of the force you exert on your brother is the same as the magnitude of the force he exerts on you, as per Newton's Third Law. However, the force you exert on your brother causes him to move across the floor with a constant speed, while your brother's force on you does not cause you to move. This is because the skateboard provides a frictionless surface for your brother to move on and he accelerates.
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calculate the de broglie wavelength of an electron accelerated from rest in an electric potential of 1.0 mv. how would the resolution of an electron microscope that uses this source differ from the em discussed in example 9.1?
The de Broglie wavelength of an electron accelerated from rest in an electric potential of 1.0 mV is 1.24 x 10⁻¹¹ m. This resolution is lower than the electron microscope discussed in example 9.1.
What is electron?Electron is a subatomic particle that carries a negative charge and is a fundamental building block of matter. Electrons are found in atoms and are responsible for chemical bonding and electrical conductivity. Electrons also interact with other particles to form a variety of forces, such as the electromagnetic force and the weak force.
Electrons are the particles responsible for the flow of electricity, and are a major factor in the structure of atoms, molecules, and solids. Electron’s mass is approximately equal to one-thousandth of the mass of a proton, and is the lightest of the known particles.
Momentum of accelerated electron is given by:
p = [tex]\sqrt{2mE}[/tex]
Here, E = 1.0 mv
m = 9.1 × 10⁻³¹ kg
p = [tex]\sqrt{2(9.1 \times 10^{-31})(1.0)}[/tex]
p = 1.3 × 10⁻¹⁵ kg·ms²
de-broglie's equation is
λ = h/p
where,
λ=Wavelength of moving particle.
P=Momentum of moving particle.
h=Planck's constant = 6.63 × 10⁻³ Js
λ = 6.63 × 10⁻³/1.3 × 10⁻¹⁵
λ = 1.24 x 10⁻¹¹ m
Thus, The de Broglie wavelength of an electron accelerated from rest in an electric potential of 1.0 mV is 1.24 x 10⁻¹¹ m.
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questionwhich term describes the process by which light passes through an object or a medium?responses reflection reflection refraction refraction transmission transmission absorption
The correct answer is transmission, term describes the process by which light passes through an object or a medium is called transmission.
The experience of light is crucial to human life. Because of the sun's light, we can grow the food we eat, and we can also see because when we view anything, a particular wavelength of light is reflecting off the thing and reaching our eye. Even an object's color is influenced by light. But how does light move, and how does it interact with things once it gets there? What happens to light as it strikes objects around us will be covered in this session.
The tiny particles that make up light are known as photons. Due of their dual behavior as a particle and a wave, photons are incredibly intriguing.
A mirror reflects light when it is shone upon it, much like a bouncing ball or any other particle might. Imagine shining a light through a keyhole so that it illuminates the entire space rather than just a small portion of it, as a laser would. Similarly, if someone shouted through that keyhole, it would be heard across the entire room, not only in that one area. Since sound is also a wave, this is also how light behaves as both a wave and a particle.
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A boy of mass 60 kg grams up a set of stair of total in 3metre work done in joule(take g 10ms )
A boy of mass 60 kg grams up a set of stair of total in 3 metre work done in joule is 1800 J.
Option B is correct.
Evaluating the problem:Given: Mass of the boy, m = 60 kg
Total height of steps, h = 3 m
Acceleration due to gravity, g = 10 m/s²
➜ Work done = force × displacement
➜ Force = mass × acceleration
Acceleration due to gravity, g is 10 m/s².
∴ Force = mass × acceleration due to gravity
➜ Work done = mass × acceleration due to gravity × displacement
A/C to given problem, boy runs up a set of steps of total height 3 m hence displacement is 3m.
➜ Work done = 60 × 10 × 3
➜ Work done = 600 × 3
➜ Work done = 1800 Joule
What counts as completed work?A force's work is the sum of the object's applied force in the direction of the displacement and the object's displacement. The body moves with some acceleration when we push a block with some force, and the work is finished.
What does it mean to have completed work?An object should be transformed into energy in order to move. The use of force can be used to transfer energy. Work done refers to the amount of energy transferred by force to move an object.
How does one determine the amount of work completed?W=Fs is used to calculate the amount of work done on an object when it is moved x distances by a force F. We add a minus sign if the force is in the opposite direction of the object's movement.
Question incomplete:A boy of mass 60 kg grams up a set of stair of total in 3 metre work done in joule(take g 10ms ).
A. 1500 J
B. 1800 J
C. 2500 J
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when you used a stiffer or tighter elastic material, what effect did this have on the duration of the impulse? what effect did this have on the maximum size of the force? can you develop a general rule from these observations?
The use of a stiffer or tighter elastic material caused the duration of the impulse to be shorter, making the maximum force larger.
The general rule that can be formed would be that the shorter the time, the larger the force is to achieve the same impulse.
We can define it by impulse- momentum theorem.
Ft = mΔv( also, Ft = impulse)
F = mΔv/ t
Impulse is commensurable to the constant net force acting on an object and the time period that the net force acts.
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Give the key distinction in the eigenvalue spectrum of an operator defined over a finite domain (a confined system) compared to the spectrum of an operator defined over an infinite domain (an unconfined system)
The set of scalars that make up a finite-dimensional vector space's spectrum are those that cannot be inverted. The matrix's determinant is equal to the sum of its eigenvalues.
What do you name the spectrum?All of the electromagnetic energy present in the cosmos is collectively referred to as the electromagnetic spectrum, and EM spectrum. This kind of energy permeates the cosmos as magnetic and electric waves, enabling the exchange of energy & information.
What do you understand when you say "light spectrum"?When white light travels through a prism & separates into its individual colors, it creates a band of colors that may be seen on a screen. The colors of a spectrum are red, blue, green, yellow, orange, and indigo violet.
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Why does the force of gravity change the speed of a satellite in an elliptical orbit?
a. The force of gravity is always perpendicular to the satellite motion.
b. Gravity slows the satellite as it moves away and speeds it up on its return.
c. Gravity speeds up the satellite as it moves away and slows it on its return.
d. The force of gravity is always tangent to the satellite motion.
The force of gravity change the speed of a satellite in an elliptical orbit by b. gravity slows the satellite as it moves away and speeds it up on its return so option b is the correct answer.
A satellite in an elliptical orbit, does the gravitational field affect its speed?Due to a component of the gravitational force acting in the satellite's motion's direction, the gravitational force affects the speed of a satellite in elliptical orbit.
Depending on how far from the Sun it is, a planet's orbital speed varies. A planet moves more quickly and is gravitationally more strongly pulled toward the Sun as it gets closer to the star. It moves more slowly in its orbit the further it is from the Sun because of the Sun's weaker gravitational pull.
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Select all that apply: During which 3 periods of time is this object getting faster? This is an all of nothing question so be sure to select exactly 3 of the answers
1) 0s to 2s, 2) 4s to 5s, 3 ) 9s to 10s are 3 periods of time in which this object is getting faster. An identifiable grouping of matter that may be bounded by an identified boundary is referred to as a physical body or physical object.
What does a physical object mean?An object is a discernible grouping of stuff that may move as a unit in three dimensions via translation or rotation and may be contained by a discernible boundary.
What are an object's characteristics?Based on the information perceived, learning and reasoning are used to deduce an object's attributes. Using Occam's razor, an object can be defined as a mental construct that is consistent with the data offered by our senses.
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A. Consider the time when the ball is at location 2. Which of the above vectors matches the direction of the velocity?B. Consider the time when the ball is at location 2. Which of the above vectors matches the direction of the acceleration?C. Consider the time when the ball is at location 6. Which of the above vectors matches the direction of the velocity?D. Consider the time when the ball is at location 6. Which of the above vectors matches the direction of the acceleration?E. Consider the time when the ball is at location 10. Which of the above vectors matches the direction of the velocity?F. Consider the time when the ball is at location 10. Which of the above vectors matches the direction of the acceleration?
A. Vector B matches the direction of velocity at location 2 (downward)
B. Vector A matches the direction of acceleration at location 2 (upward)
C. Vector B matches the direction of velocity at location 6 (downward)
D. Vector A matches the direction of acceleration at location 6 (upward)
E. Vector A matches the direction of velocity at location 10 (upward)
F. Vector C matches the direction of acceleration at location 10 (zero). At this location, the ball is in freefall, its acceleration is equal to gravity and its velocity is constant, so the acceleration is zero.
What were the main stages of the space race (USA/USSR)? I am looking for around 6-8 but i don’t want to miss anything out, so you can go over this. Also, please include anything extra you think is necessary.
The first collaborative Apollo-Soyuz mission is launched as US-USSR tensions ease on 15th July 1975. This is the final stage of the space race.
What is space race?The Soviet Union (USSR) and the United States competed in the Space Race during the 20th century (US). Both were vying for control of space flight technologies. When the Soviet Union responded to the US' disclosure of its intention to launch artificial satellites on August 2, 1955, the competition officially began.
German missile technology and scientists from their missile program were helpful to both sides. The Space Race resulted in ground-breaking attempts to launch artificial satellites, as well as lunar missions and human spaceflights to the Moon, Venus, and Mars.
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ai dan is rowing along a river in canada. he can row at 3 m/s against the current and at 6 m/s with the current. find the speed of the current.
If Aidan moves at a speed of x and the current moves at y, then x+y=6 and x-y=3 results in y=1.5m/s (and x=4.5m/s).
What does Mbps mean?Megabits per second, or Mbps, is the unit of measurement for internet speeds. A megabit is one million bits, which are very small data units. Your internet activity should run more quickly the more Gbps (megabits) you have.
How do I determine my WiFi speed?The Begins with a series by Ookla app, which is compatible with both iPhone and Android, is a solid, comprehensive software. Their mobile app can track both speeds of download and upload and document your speed tests, much like their web-based counterpart.
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A mother has four times the mass of her young son. Both are running with the same kinetic energy. What is the ratio of their speeds?Kinetic energyThe kinetic energy K of a body with mass m and speed v isK=12 mv^2
The ratio of the mother's speed to the son's speed is equal to 0.5.
Kinetic energy is defined as K = 1/2 * m * v^2, where m is the mass of the object and v is its velocity. Since both the mother and her son have the same kinetic energy, we can write:
1/2 * m_mother * v_mother^2 = 1/2 * m_son * v_son^2
Since the mother has four times the mass of her son, we can substitute:
m_mother = 4 * m_son
We can substitute this into the equation:
1/2 * 4 * m_son * v_mother^2 = 1/2 * m_son * v_son^2
We can then divide both sides by 1/2 * m_son to get:
4 * v_mother^2 = v_son^2
We can then take the square root of both sides:
v_mother * sqrt(4)= v_son
v_son=0.5
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you decide to use your garden hose to wash your garage door. the water shoots out at a rate of 10 kg/s and a speed of 16 m/s with respect to the hose. when the water hits the garage, its speed decreases to zero. determine the force that the water exerts on the wall. what assumptions did you make?
The force exerted by the water on the wall will be equal to 160 N. Newton's third law of motion is seen taking place here.
How is force exerted by the water on the wall calculated?The force exerted by the water on the wall is calculated using the impulse-momentum principle. The principle states that the change in momentum of an object is equal to the impulse, or the force applied over a certain period of time. In this case, the change in momentum is equal to the initial momentum of the water (mass flow rate multiplied by velocity) minus the final momentum of the water (mass flow rate multiplied by final velocity) and the time is assumed to be very small.
What assumptions were made in the calculation of force exerted by the water on the wall?The assumptions made in the calculation of force exerted by the water on the wall are:
The water hits the garage instantaneously.
The water flow rate is constant and no water is lost during the impact.
The water hits the garage uniformly over the entire area and not just at one point.
The garage door is not moving before the impact. These assumptions are made to simplify the calculation and to make it more accurate. It is important to note that in real-world scenarios, these assumptions may not always hold true and the force exerted by the water on the wall may be different.
How do you calculate the force exerted by water on the wall?Force exerted by the wall on the water, F = dP/dt
= (P2 - P1)/dt
= dm*(V2 - V1)/dt
= (V2 - V1) x dm/dt
= (0 - 16) x 10
= -160 N (negative sign indicates force opposes the motion)
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A ball of mass 500 g is dropped from rest from a height of 7 m. what is its speed as it reaches the ground? (g = 9.8 m/s2)
The speed of the ball when it reaches the ground is 11.71 m/s, when the mass of the ball is 500g and height is 7m.
What is mass?The best way to define mass is the quantity of matter that constitutes an object or body. Every object in our environment is made of mass. Even air has mass, as do a table, a chair, your bed, a football, a glass, and so on. Having said that, whether an object is light or heavy depends on its mass.
The most fundamental characteristic of matter is its mass, which is also one of the fundamental quantities in this physics lesson. The term "mass" refers to a body's total amount of matter. The kilogramme, which is the SI unit of mass, is the kilogramme (kg).
the final velocity is the speed of the ball when it reaches the ground
i.e.
v²-u² =2as
v²-(0)² = 2(9.8)(7)
v²- 0 = 137.2
v = √137.2
v = 11.71
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assume that an mx missile goes from rest to a suborbital velocity of 6.50 km/s in 30.0 s (the actual speed and time are classified). what is its average acceleration in m/s2?
216.66 m/s² is average acceleration of mx missile.
Given information:
initial velocity, u = 0m/s
final velocity, v = 6.5km/s = 6500 m/s
time taken, t = 40s
To calculate average acceleration:
a = [tex]\frac{( v - u)}{t}[/tex]
a = [tex]\frac{(6500 - 0)}{30}[/tex]
a = 216.66 m/s²
Acceleration at any moment is defined as rate of change of haste with time. For the entire trip, average acceleration is defined as rate of change in haste with time taken.
When an object peregrination at a vertical speed of about,000 km/ hr or further, it goes into route once it's above the atmosphere. The satellites need to reach that threshold speed (orbital haste) in order to circumvent Earth.
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A microwave oven draws 0.62kW at an electrical energy rate of 6.8 cents per kWh. Using the GRASS method, calculate the cost of using the microwave for 30 minutes every day for 9 days. Show your work. Round your answer to the nearest cent. You may write out your answer on paper and upload the image. [3 pts]
G
R
A
S
S
Answer: The cost of using the microwave oven for 30 minutes every day for 9 days is $0.57
Explanation: The GRASS method is used to calculate the cost of using an appliance by multiplying the power rating of the appliance (in kW) by the hours of use, and then multiplying that by the rate per kWh.
Here's the calculation:
Power rating: 0.62 kW
Time of use: 30 minutes/day for 9 days = 30/60*9 = 13.5 hours
Cost per hour = 0.62 * 6.8 / 100 = 0.04236
Total cost = 0.04236 * 13.5 = $0.57
a positive and a negative charge, each of magnitude 1.5 x 10-5 c, are separated by a distance of 15 cm. find the force on each of the particles.
15 cm separates a positive charge from a negative charge that are both 1.5 x 10-5 c in size. determine each particle's force. It exerts a force of about -89.9 N.
How much is one coulomb?The quantity of charge carried by a discharge of one amp for one second is measured in coulombs, which is the unit of measurement used in the SI for electric charge. It may also be a quality of a substance that causes electromagnetic and electrical effects to occur. The symbol for it is C. According to math, 1 Coulomb equals 1 Ampere x 1/sec.
What are ions, both positive and negative?Positively and negatively charged particles both exist in the universe. Positive ions are particles which have already lost three or more electrons, to put it simply.
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A projectile is launched at an angle of 15 degrees above the horizontal and lands down range. For the same speed, what other projection angle would produce the same downrange distance
For the same speed, and for the maximum downrange distance the angle would be 45°. If the projectile is launched at an angle of 15° above the horizontal.
If the initial velocity of the launched projectile = u
Horizontal component of the u, = ucosθ
Vertical component of the u, = usinθ
Horizontal downrange, R = ucosθ×T
T = usinθ/g
R = ucosθ × usinθ/g
R = u²sin(2θ)/(2g)
R = 0.25u²/g
For maximum value of the downrange sin(2θ) should be 1, or 2θ = 90°
θ = 45°
So the maximum downrange distance would be = u²sin(90)/(2g)
= u²/(2g)
= 0.5u²/g
It is double the distance of the projectile angle 15°.
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what are the two best ways to measure the distance to a distant, isolated spiral galaxy, and how would it be measured
The two best ways to measure the distance to a distant, isolated spiral galaxy are by using the redshift of the galaxy and/or by using the Cepheid variable star method.
What is distance?Distance is a numerical measurement of how far apart two objects, points, or locations are. It is a measure of space in terms of length, width, or height. Distance can be measured in a variety of units including miles, kilometers, yards, and feet. Distance can also be measured in time, such as the amount of time it takes to travel from one location to another. Distance is an important concept in many areas of life, from transportation to navigation to sports.
The redshift of a galaxy is a measure of the expansion of the universe, and is determined by the Doppler Effect. It is calculated using the wavelength of a galaxy's light and the frequency of that light. Redshift can be used to measure the distance of a galaxy by comparing the redshift of the galaxy with the redshift of a standard reference. The further away a galaxy is, the greater its redshift will be.
The Cepheid variable star method is also a reliable way of measuring the distance of a distant spiral galaxy. Cepheid variable stars are stars that pulsate at a regular period, and they can be used as a “standard candle” of sorts, because their luminosity is related to their period. By measuring the period and luminosity of Cepheid variable stars in a distant spiral galaxy, astronomers can calculate the distance to that galaxy.
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the weight of an object on the moon is one-sixth of its weight on the earth. the ratio of the kinetic energy of a body on the earth moving with speed v to that of the same body moving with speed v on the moon is?
Mass of the body is same on Earth and Moon. `K.E = 1/2 mv^2` . So, both scenarios are the same.
What does angular momentum mean exactly?Kinetic energy is the life force an item gains as a result of motion. To accelerate an object, a power must be supplied to it. To apply a force, we must put more effort. Energy is transferred to the object when the work is complete, which causes it to move at a new, constant pace.
A kinetic example is what?Every moving object or particle contains kinetic energy. A person walking, a baseball flying in the air, foods falling from a table, and charged particles in an electric potential were all utilized as examples of kinetic energy in action.
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an archer shoots an arrow with a mass of 32.4g straight up. the arrow reaches a height of 315m. what is the velocity of the arrow when it hits the ground? ignore air resistance
The third law of motion of Newton explains the relationship between action and reply forces. As an outcome, a reply to the force generated by the bowstring striking the arrow is offered.
What does motion entail?Movement is the act of moving or changing places or positions, as in a conductor. the capacity to move with a living person's force. The word "gait" refers to a person's walking style. a movement or change in posture; a gesture.
What does "motion" mean, and what are some examples?The change in an item's location relative to time is known as motion. Motion includes sounds like windows rattling, a book falling off a seat, water coming from the faucet, etc. even the air that we
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a driver in a car traveling at a speed of 26.8 m/s sees a deer 100 m away on the road. calculate the minimum constant acceleration that is necessary of the car to stop without hitting the deer (assuming the deer does not move). group of answer choices -3.6 m/s2 -1.7 m/s2 -4.2 m/s2 -2.8 m/s2
The minimum constant acceleration that is necessary for the car to stop without hitting the deer is -3.6 m/s^2.
What does the term "constant acceleration" mean?
A change in velocity that does not alter over time is referred to as a constant acceleration. A car's average acceleration stays constant at 20 mph per minute even if it increases its speed by 20 mph in one minute and another 20 mph the next.
Is speed constant at constant acceleration?An item travelling with steady acceleration gains speed over a particular period of time.
By continual acceleration, what do you mean?Constant acceleration indicates the velocity keeps rising continuously, increasing at the same rate of acceleration every second. Additionally, because acceleration is a vector quantity, the direction of motion does not change. A moving object can occasionally alter its velocity by the same amount every second.
Given:
Speed v = 26.8 m/s
Distance d = 100 m
Minimum constant acceleration,
[tex]v^2-u^2=2ad[/tex]
[tex]0-26.8^2=2ad[/tex]
[tex]a=(-718.24/200)[/tex]
[tex]a=(-3.6m/s^2)[/tex]
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A microwave transmitter emits electromag-
netic waves of a single wavelength. The max-
imum electric field 0.963 km from the trans-
mitter is 8.04 V/m.
The speed of light is 2.99792 x 108 m/s
and the permeability of free space is 47 x
10-7 N/A².
a)Assuming that the transmitter is a point
source and neglecting waves reflected from
the Earth, calculate the maximum magnetic
field at this distance.
Answer in units of T.
b)Calculate the total power emitted by the
transmitter.
Answer in units of W.
imagine a system composed of two different types of molecules, one much heavier than the other. at a particular temperature, how do their average kinetic energies compare? which, on average, is moving faster?
Temperature: Higher temperatures lead to more energy and, as a result, more molecular movement and diffusion.
Why do lighter particles go more quickly than heavier ones?
The particles gather kinetic energy and accelerate as the temperature rises. The actual average speed of the particles is influenced by both their mass and temperature; at a given temperature, larger particles travel more slowly than lighter ones.
In what system do molecules have the same mean kinetic energy?
There are no interactions between gas molecules (no attraction or repulsion). For all gases at a specific temperature, the average gas kinetic energy is the same.
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how long does it take light to cross the diameter of the milky way galaxy? the diameter of the milky way galaxy is 80,000 light-years.
It would approximately take 200,000 years at Light Speed in order to cross the Milky Way.
What is the Milky way?The Milky way may be defined as a broad band of light that can be frequently observed in the night sky and that is caused by the light of a very large number of faint stars.
It is found that the diameter of the milky way galaxy is 80,000 light-years. So, according to the speed of light, it is calculated that it would approximately take 200,000 years at Light Speed in order to cross the Milky Way. It is a large spiral system consisting of several hundred billion stars, one of which is the Sun.
Therefore, it would approximately take 200,000 years at Light Speed order to cross the Milky Way.
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the force of gravity on the average person is about 700 n at the earth's surface. calculate the gravity on a person 10 times that distance from the center of the earth
At the surface of the Earth, the gravitational force acting on a typical individual is roughly 700N. Determine the gravitational pull on a person at a distance 10 times that.
Why does gravity exist?All things having mass, including our Earth, really bend and curve spacetime, which is what causes gravity to pull you toward the ground. What you experience as gravity is that curvature.
What three types of gravity are there?Gravity only comes in one variety. In nature, there is only one form of gravity. According to their masses and the separation across their centers, there is only one kind of gravitational pull which draws the two bodies together. The least powerful central force is gravity.
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