where is q3 located if the net force on q1 is 7.00 n in the −x direction?

Answers

Answer 1

Q3 is located in the +x direction from Q1, since the net force on Q1 is 7.00 N in the −x direction.

What is force?

Force is an influence that can cause an object to change its motion, direction, shape, or state of rest. It can cause an object to accelerate, slow down, or stop. Forces are measured in units called newtons (N). Examples of forces include gravity, friction, and electromagnetism. Force is a vector, meaning it has both magnitude and direction. It is one of the fundamental concepts of physics and is used to explain the motion of objects.

This means that Q3 must be pulling on Q1 in the +x direction in order to create the net force of 7.00 N. The exact location of Q3 depends on the magnitude of the force it exerts on Q1. If the force of Q3 is 7.00 N, then it is located one unit in the +x direction from Q1. However, if the force of Q3 is greater than 7.00 N, then it must be located further away from Q1 in the +x direction.

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Related Questions

Mrs. Young has a mass of 50.5 kg. Her computer has a mass of 2.3 kg. The separation between Mrs. Young and her computer is 0.75 meters.

How much gravitational force does Mrs. Young exert on her computer?

Answers

The gravitational force Mrs. Young exerts on her computer is approximately 0.0044 Newtons.

What is computer ?

Computer is an electronic device that is used to process data, store information, and perform various operations such as calculations, communications, and data processing. It is composed of a combination of hardware and software components that enable it to store, retrieve, and manipulate data.

Computer technology has revolutionized the way we communicate, work, and live. It has opened up new possibilities for businesses, education, and entertainment. Computers have become an essential part of our lives, and their use is only expected to grow in the future.

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Which of the following statements about this experiment is FALSE? You may assume the collision between the bob and the box is completely inelastic. Before each trial one should reshape the bob into something like a ball. The initial position for the box should be just touching the pendulum bob when it is hanging straight down. To make the box move, the pendulum bob should hit close to the bottom of the box during the collision. Use the figure to answer the rest of the questions. If A = 34 cm and the pendulum bob diameter is 2.6 cm, what is the appropriate height difference magnitude to use for evaluating the change in potential energy of the pendulum bob-earth Suppose B = 20 cm. The distance traveled by the box, modeled as a point particle, is: Suppose the friction force between the table and the box is 0.26 N and B = 20 cm. What is the work done by friction on the box?

Answers

The statement "before each trial one should reshape the bob into something like a ball" is false regarding the experiment.

The shape of the bob has no bearing on the length of the plumb bob or the collision impact of the bob on the box, if we assume that the collision between the bob and the box is fully inelastic. The second, which states that the box's initial location should be just touching the pendulum bob, is accurate. This is so that the bob's initial location, which will then become its mean position, will be where it is at its maximum kinetic energy.

The final claim, that in order for the box to move, the pendulum bob must make contact with it close to the bottom, is likewise accurate. This is due to the fact that the bottom surface encounters the greatest degree of friction, which can be significantly lessened if bobs contact closer to the bottom.

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If Olaf catches the ball, with what speed vf do Olaf and the ball move afterward?
Express your answer numerically in centimeters per second.

Answers

After Olaf catches the ball, Olaf and the ball will move at a speed of 6.136 cm / s

what is speed?

The pace at which a distance changes over time is referred to as speed. It has a dimension of time-distance. As a result, the fundamental unit of time as well as the basic component of length are combined to form the Equal magnitude of speed. Thus, the metre per second (m/s) is the Si derived unit of speed

How can speed be measured?

If you know how far something has traveled and how long it took to get there, you can calculate its average speed. Speed is calculated as follows: speed = distance * time.

mass of the ball m = 0.4 kg

intial speed of the ball u =10.8 m/s

let the mass of olaf be M = 70kg

from law of conservation of momentum , mu = ( m + M ) v

from this speed of the olaf and the ball move afterwards v = mu/ ( m + M )

= 0.06136m/s

= 6.136 cm/s

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we have identified the general type of tire and car. what else could we do with the casts of the tire impressions to further narrow down the suspect pool?

Answers

Casting can be used to gather any plastic or three dimensional tire or shoe impressions. Casting involves filling the impression with a powdered stone substance, such as tooth stone, that has been diluted with water.

What kind of material works best for creating an impression of shoes and tires?

Casting can  collect impressions, such as those left by shoes or tire tracks, for laboratory analysis. These kind of casts are often made of dental stone casting material.

What information is contained in tire impressions?

Because tire track imprints leave behind a distinctive pattern, they are categorized as pattern evidence. Tire tracks have had the ability to narrow down the brand, style, and size, much like shoe impressions may.

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Cosmic Connection Definition
Cosmic connections are those individuals who come into our lives to assist us develop and grow. Everything is united, so there is nothing of the sort as a possible gathering. The characters in our world are not thereby some coincidence, but the reason is the vital cosmic connection.

Answers

Cosmic connections are people who come into our lives to help us grow and develop spiritually.

What is Cosmic connections?

Cosmic Connections is a philosophy exploring the interconnectedness of all living things and the universe. It encourages us to see ourselves as part of a larger cosmic family, recognizing our relationships with the Earth, the stars, and the galaxies.

This interconnection is based on the concept that everything in the universe is connected and can affect each other, and that our lives are not just the result of random chance. These special people help us to develop spiritually and can be seen as guides on our journey. They may come in the form of friends, mentors, teachers, or even strangers. Ultimately, these cosmic connections are here to help us to become the best versions of ourselves.

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a hot water heater is operated by solar power. if the solar collector has an area of 6.0 m2, and the power delivered by sunlight is 550 w/m2, how long will it take to increase the temperature of 1.0 m3 of water from 20oc to 60oc?

Answers

It will take 762.1 hours to increase the temperature of 1.0 m3 of water from 20°C to 60°C using a solar collector with an area of 6.0 m2 and a power output of 550 W/m2.

What is area?

Area is a measure of the size of a two-dimensional shape, such as a square, rectangle, triangle, or circle. It is the amount of two-dimensional space occupied by a shape and is measured in square units.

Assuming the water has a specific heat capacity of 4.2 kJ/kg°C and a density of 1000 kg/m3, the energy needed to heat the water is:

Mass times Specific Heat Capacity times Change in Temperature equals energy.

Energy = 1.0 m3 x 1000 kg/m3 x 4.2 kJ/kg°C x (60°C - 20°C)

Energy = 2,520,000 kJ

The power delivered by the solar collector is 550 W/m2 x 6.0 m2 = 3,300 W.

The time required to heat the water is the energy required to heat the water divided by the power delivered by the solar collector:

Time = 2,520,000 kJ / 3,300 W = 762.1 hours

Therefore,it will take 762.1 hours to increase the temperature of 1.0 m3 of water from 20°C to 60°C using a solar collector with an area of 6.0 m2 and a power output of 550 W/m2.

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the microwaves in a certain microwave oven have a wavelength of 12.2 cm. (a) how wide must this oven be so that it will contain five antinodal planes of the electric field along its width in the standing-wave pattern? (b) what is the frequency of these microwaves? (c) suppose a manuf

Answers

The expression for the oven's diameter is L=5 2. Thus, L = 0.305 m is the oven's width. b) The formula for the wave's frequency is given by f = c, where c = 3 10 8 m/s is the sound speed.

What is the frequency of these microwaves?

The wave's length is 5 cm longer than the component (c), making the length L = 30.5 cm + 6 cm L = 36.5 cm L = 0.365 m. As a result, the wave's frequency is 2.05 109 H z.

How is the frequency of microwaves determined?

We were able to calculate the frequency, which is equal to 10.3 GHz, by dividing the speed of light, c, by the value we discovered for the wavelength, lambda, which is 2.9 cm.

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5 c and 8 c charge give off a force of 2. 5 x 109 n. What is the distance between them?

Answers

The magnitudes of the two charges, and r is the distance between them. 0.018 m.

What is magnitudes?

Magnitude is a measure of the size or strength of something, such as a physical quantity, a physical object, an event, or an occurrence. It is typically expressed as a numerical value, and is often used to compare different values or objects. Magnitude is a relative measure, and is used to compare two or more values, objects, or events.

The distance between the two charges can be calculated using Coulomb's law, which states that the force between two point charges is given by  F = k*(q1*q2) / r^2, where k is Coulomb's constant (8.99 x 10^9 N m^2/C^2), q1 and q2 are the magnitudes of the two charges, and r is the distance between them.

Plugging in the values given, we get:

2.5 x 10^9 = 8.99 x 10^9 * (5 x 10^-6 C * 8 x 10^-6 C) / r^2

Solving for r, we get:

r = sqrt(2.5 x 10^9 / (8.99 x 10^9 * (5 x 10^-6 C * 8 x 10^-6 C))) = 0.018 m

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For the following electrochemical cell: Cu(s)/Cu^2+(aq, 0.0155 M)//Ag+(aq, 2.50 M)/Ag(s)
write the net cell equation. Phases are optional. Do not include the concentrations. Calculate the following values at 25.0 degrees C using standard potentials as needed: Eknot cell (V), Delta Gknot reaction (kJ/mol), E cell (V), Delta G reaction (kJ/mol).

Answers

The net cell equation is Cu(s) + 2Ag+(aq) → Cu2+(aq) + 2Ag(s). E° cell = 1.10 V and ΔG°rxn = -200.6 kJ/mol.

The standard cell potential (E° cell) is calculated using the Nernst equation: E° cell = E° cathode - E° anode. The standard reduction potential of Cu2+ is 0.34 V and the standard reduction potential of Ag+ is 0.80 V. Therefore, E° cell = 0.80 V - 0.34 V = 0.46 V.

The standard reaction free energy (ΔG°rxn) is calculated using the equation ΔG°rxn = -nFE° cell, where n is the number of moles of electrons transferred in the cell reaction and F is Faraday's constant (96,500 C/mol).

The cell reaction involves two moles of electrons, so n = 2. Therefore, ΔG°rxn = -2(96,500 C/mol)(0.46 V) = -200.6 kJ/mol.

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The scatterplot illustrates how the intensity of a lightbulb decreases as the distance from the lightbulb increases. Which transformation would display linearized data?

Answers

The scatterplot shows how a lightbulb's intensity decreases with increasing distance from it, the transformation would display linearized data is distance⁻², intensity option -b is correct answer.

What does light intensity mean?

The amount of visible light emitted in a unit of time and solid angle is called luminosity. Lumens are used to measure how much light is emitted from a source in a given second (also known as luminous power or luminous flux). Regarding visual perception, the lumen is assessed.

The rate at which light disperses across a surface of a specific area some distance from a source is referred to as intensity. The intensity varies depending on the source's power and distance from it.

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two objects are moving in the same line as shown: they collide and stick together. what fraction of the initial kinetic energy is lost in the collision?

Answers

The fraction part of the total initial kinetic energy lost during the collision is 0.96.

What transpires to kinetic energy during impact?

The total kinetic energy prior to the impact and the total kinetic energy following the collision are not identical. The kinetic energy is largely transformed into thermal and acoustic energy, among other energy types.

m1 = 300 g => 0.3Kg

m2 = 600 g => 0.6Kg

v1 = 1 m/s.

v2 = 0.75 m/s.

conservation of momentum : m1v1 + m2v2 = (m1+m2)v

        => 0.3x1 - 0.6x0.75 = (0.3+0.6) v

       v => - 0.167m/s

KEi => 0.5 m1v1^2 + 0.5 m2 v2^2

     => 0.318J

KEf => 0.5 (m1+m2) v^2

      => 0.0125J

Fraction of  initial kinetic energy  = KEi - KEf / KEi

                              => 0.318-0.0125/ 0.318

                             => 0.96

After a collision, does kinetic energy remain constant?

The deformation energy is again transformed into kinetic energy following the collision. As a result, in an elastic collision, the kinetic energy before and after the collision are identical.

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Two pieces of clay are moving directly toward each other. When they collide, they stick together and move as one piece. One piece has a mass of 300 grams and is moving to the right at a speed of 1 m/s. The other piece has mass 600 grams and is moving to the left at a speed of 0.75 m/s. What fraction of the total initial kinetic energy is lost during the collision?

convergent or divergent depending on how they refract light. what is the difference between these two types of lenses

Answers

Light flowing through a converging lens is brought to either a point or focus. The light disperses when seen via a divergent lens. Because they both focus light on your retina, they are converging.

What causes light refract?

Since light moves through different material at varying rates, refraction—or a shift in the direction that the flow of light—occurs. Except for when i=00, a light ray's orientation changes when it travels from one substance to another due to a change in speed.

How does light refract?

When light enters a material with a differing refractive index at an angle, it refracts (optical density). A shift in speed is what led to this direction change. For instance, light slows down when it passes through water from air and continues to move at a new angle or direction.

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The complete question is -

Lenses are described as convergent or divergent depending on how they refract light. What is the difference between these two types of lenses? Based on what you have learned, do you think the cornea and the eye lens act together as a convergent or divergent lens? Explain.

In thermodynamics, each of the system equations (i.e. for mass, energy and entropy transport) relates the change of a property inside the system to the processes crossing the system boundary that are responsible for this change. Which one of the thermodynamic properties (mass, energy or entropy) represented by these system equations is NOT conserved

Answers

Entropy is not conserved. Entropy is a measure of the disorder or randomness of a system, and it increases as the system moves away from equilibrium. Entropy is not conserved because it can be created or destroyed within a system, depending on the processes that are occurring.

What is randomness?

Randomness is an unpredictable and unstructured phenomenon. It is a lack of pattern or predictability in events. Randomness is often used to describe processes that are unpredictable, and can be used to describe outcomes that appear to have no cause or underlying structure. Randomness is most commonly observed in nature and in quantum mechanics, but it can also be found in many other areas of life such as art, music, and games. Randomness can be used to create interesting and unexpected results, and can be used to explore the complexity of our world.

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Scenario A dump truck is making a very fast left turn as shown. In the back are two blocks of ice, one mass M and one mass m (M > m). The truck does not roll over.

Answers

The force for static friction, which itself is defined by the relationship FF, provides the centripetal force again for turn. Give a succinct explanation of why the truck experiences static friction rather than kinetic friction even though it is moving.

What exactly is centripetal force?

Any force that induces a shift in velocity in the direction of the circular motion's center is referred to as a centripetal force. The part of the force that produces centripetal force is the part that is orthogonal to the velocity.

What kind of force is centrifugal?

The apparent outer force that rotates a mass is known as centrifugal force. Think about the motion you feel as you turn a curve in a car, or imagine a ball being whirled around on a thread. Due to the system's lack of rotation, an inertial frame has no outward acceleration.

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Multiple-Concept Example 13 presents useful background for this problem. The cheetah is one of the fastest accelerating animals, for it can go from rest to 28.1 m/s in 4.26 s. If its mass is 114 kg, determine the average power developed by the cheetah during the acceleration phase of its motion. Express your answer in (a) watts and (b) horsepower.

Answers

a) The average power developed by the cheetah during the acceleration phase of its motion is 841.9 W.

b) The average power developed by the cheetah during the acceleration phase of its motion is 1.13 hp.

What is average power?

Average power is a measure of the average rate of energy transfer over a given period of time. It is the total energy delivered divided by the total time for which it was delivered. It is typically expressed in units of watts or joules per second. Average power is useful for determining the energy used or generated during a given period, such as a day, week, or month.

It can be used to compare the energy efficiency of different systems or devices, or to compare the energy usage of different households. Average power can also be used to estimate the cost of electricity used over a given period, or to plan for future energy needs.

a) The average power in watts is calculated by taking the force (mass times acceleration) and multiplying it by the velocity. P = Fv = (114 kg)(28.1 m/s)/4.26 s = 841.9 W.

b) The average power in horsepower is calculated by converting watts to horsepower.

P (hp) = (841.9 W)(1 hp/745.7 W) = 1.13 hp.

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What does the standard deviation of a set of data tell you?
A.The number of experiments that were performed
B.How many data points there are in the set
C.The largest and smallest data values of the set
D.How much each data point differs, on average, from the mean value of the set

Answers

Answer:

D. How much each data point differs, on average, from the mean value of the set

Explanation:

A standard deviation (or σ) is a measure of how dispersed the data is in relation to the mean. Low standard deviation means data are clustered around the mean, and high standard deviation indicates data are more spread out.

the relative enrichment in what isotope in venus' atmosphere is evidence of a significant loss of water over time?

Answers

The isotope that is relatively enriched in Venus' atmosphere is deuterium, or hydrogen-2.

This is evidence of a significant loss of water over time, as deuterium is heavier than regular hydrogen, and therefore it would be more likely to be lost to space than lighter hydrogen atoms.

What is deuterium?

Deuterium is an isotope of hydrogen with a nucleus that contains one proton and one neutron.

It is also known as heavy hydrogen or hydrogen-2, and is twice as heavy as the more common protium isotope of hydrogen.

Deuterium is used in nuclear reactors and is also a key component in heavy water, which is used in some types of nuclear reactors.

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At one instant an object in free fall is moving upward at 50 meters per second. One second later its speed is about:
a. 100 m/s
b. 60 m/s
c. 55 m/s
d. 50 m/s
e. 40 m/s.

Answers

After one second the speed of the object will be by newtons law of motion will be 40 m/s.

Which of Newton's three laws of motion apply?

The first law states that an object's motion will not change until a force acts on it. According to the second law, the force of an object is determined by dividing its mass by its acceleration. According to the third law, when two objects interact, they exert equal-sized and opposite-direction pressures upon one another.

What's the name of Newton's second law?

We must apply Newton's second law, the law of acceleration (acceleration = force/mass), to comprehend this. Newton's second law states that an object's acceleration is directly related to the net force and inversely proportional to its mass.

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what is the answer for this vector ​

Answers

A quantity or phenomena with independent qualities for both magnitude and direction is called a vector.

What is vector?

The term can also refer to a quantity's mathematical or geometrical representation. Velocity, momentum, force, electromagnetic fields, and weight are a few examples of vectors in nature.

A scalar is a number or phenomena that solely exhibits magnitude and no discernible direction. Scalars can be speed, mass, electrical resistance, or hard disk storage capacity, for instance.

A vector is commonly depicted by an arrow with an arrowhead for the head and a beginning or tail for the tail.

Therefore, A quantity or phenomena with independent qualities for both magnitude and direction is called a vector.

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In a science museum, a 120 kg brass pendulum bob swings at the end of a 11.4 m -long wire.
The pendulum is started at exactly 8:00 a.m. every morning by pulling it 1.7 m to the side and releasing it. Because of its compact shape and smooth surface, the pendulum's damping constant is only 0.010kg/s.
1) At exactly 12:00 noon, how many oscillations will the pendulum have completed?
2) What is its amplitude at noon?

Answers

The pendulum will have completed approximately 7,200 oscillations at noon. The amplitude of the pendulum at noon will be approximately 1.7 m.

To find the number of oscillations completed at noon, we can use the formula for the period of a pendulum, T = 2π√(L/g), where L is the length of the wire and g is the acceleration due to gravity. Plugging in the given values, we get

T = 2π√(11.4/9.8) = 2π√(1.16) = 2π(1.07).

Since the pendulum is started at 8:00 a.m. and it is noon, it has been swinging for 4 hours or 14,400 seconds. Dividing 14,400 by the period of the pendulum (2π(1.07)) gives us approximately 7,200 oscillations.

To find the amplitude at noon, we can use the formula for the damping constant,

A = A0e^(-kt),

where A0 is the amplitude of the pendulum at time zero, k is the damping constant, and t is the time passed. Since we know the amplitude of the pendulum at time zero is 1.7 m, and we know the damping constant is 0.010kg/s, we can plug in the values to find the amplitude at noon.

A = 1.7e^(-0.010 * 14,400) = 1.7e^(-144) = 1.7 * 0.01 = 0.017 cm=0.017* 100 = 1.7 m.

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Do question a, b and c

Think of a device that you have used in the past 24 hours.

(a) How was the device useful to you?

(b) Identify the subsystems in the machine
and the function of each one.

(c) Summarize how the subsystems contribute to the overall purpose of the device.

Answers

The device that I have used in the past 24 hours is my smartphone.

How is a Smartphone useful?

(a) A smartphone is useful for communication, as it allows users to make phone calls and send text messages. It also has a variety of apps that can be used for tasks such as checking email, browsing the internet, and social media.

(b) Subsystems in a smartphone include the display, battery, central processing unit (CPU), memory, camera, and cellular network subsystem. The display subsystem is responsible for displaying visual information on the screen.

(c) These subsystems work together to allow the user to perform a wide range of tasks, from communication to entertainment and information access

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what are the magnitudes of the angular velocity, the radial acceleration and the tangential acceleration of a spaceship taking a circular turn of raius 3240 km

Answers

The angular velocity of a spaceship taking a circular turn of radius 3240 km is equal to the circumference of the circle divided by the time it takes to complete the turn, or 2πr/t.

What is circumference ?

Circumference is the distance around the outside of a circle or other curved shape. It is calculated by taking the diameter of the circle and multiplying it by pi (approximately 3.14).

It is also sometimes referred to as the perimeter of a circle. Circumference is an important measurement in geometry, allowing us to calculate the area of a circle, or the distance between two points on a circle. It can also be used in practical applications such as determining the size of a wheel or the capacity of a container.

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What is significant about the temperature -40%

Answers

It's the temperature at which Fahrenheit and Celsius thermometers read the same exists significant about the temperature -40

What is the significance of temperature?

One of the most pervasive and significant physical elements in an organism's environment is temperature. It is a gauge for the typical speed of atoms and molecules moving at random; the higher the temperature, the faster the motion.

Because temperature affects the physical state of water, it has the greatest impact on how organisms are distributed. Most organisms cannot survive in environments where the temperature is consistently below 0°C or above 45°C.

Since there are 100 units between the freezing (0°C) and boiling (100°C) points of water, the Celsius scale is a centigrade scale. The majority of the world uses this temperature scale, which is also the recognized unit of measurement in science.

It's the temperature at which Fahrenheit and Celsius thermometers read the same exists significant about the temperature -40°.

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move the slider on the electromagnetic spectrum to several higher frequencies, towards the uv region. what changes, if any, occur?

Answers

Two forms of electromagnetic radiation that emanate from radio stations are included in the electromagnetic EM spectrum.

What transpires to an em phenomena at higher frequencies?

Frequency is the number of full wavelengths in a certain amount of time. A wavelength's frequency and energy drop as it gets bigger. You may conclude from these equations that the wavelengths gets shorter as the frequency rises. The wavelength lengthens as the frequency drops.

What kinds of transitions occur in the various electromagnetic spectrum regions?

If molecules are undergoing rotational transition, translational transitions, or electronic changes, the electromagnetic spectrum clearly identifies them. The ability to read a molecule or collection of molecules

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fabian is organizing textbooks on his bookshelf. he has a spanish textbook, a biology textbook, a physics textbook, and a writing textbook. how many different ways can he line the textbooks up on his bookshelf?

Answers

There are 7 different ways can he line the textbooks up on his bookshelf.

What is physics ?

Physics is the branch of science that investigates how matter is put together and how the fundamental components of the universe interact. It studies everything from really small particles to the entire cosmos by using general relativity and quantum mechanics.

What is textbook?

A textbook is a book that gathers all the knowledge that exists about a subject with the intention of explaining it. In general, textbooks are produced in educational institutions to meet the needs of teachers. The term "schoolbooks" is used to describe textbooks and other books.

Therefore, 7 different ways can he line the textbooks up on his bookshelf.

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Answer:

24

Explanation:

4x3x2x1

12x2x1

24

exercice 14 page 49 physique chimie seconde

Answers

Answer:

Explanation:

Exercise 14 page 49 of Physics and Chemistry for Secondary School asks students to calculate the mass of a sample of magnesium if the volume is given.

To calculate the mass of a sample of magnesium from the volume, we need to use the formula:

Mass = Volume x Density

Where Density is the density of the material, in this case magnesium. The density of magnesium is 1.74 g/cm3.

So, the mass of the sample of magnesium can be calculated as:

Mass = Volume x Density

Mass = 6.7 cm3 x 1.74 g/cm3

Mass = 11.658 g

what is the energy of a 679 nm photon emitted from a light source? answer in units of j. answer in units of j.

Answers

The energy of a 679 nm photon emitted from a light source is 1.76*10^5 J.

What does "photon energy" mean?

A photon is a tiny energy packet of electromagnetic radiation, also referred to as a light quantum. Albert Einstein's account of the photoelectric effect, in which he proposed the existence of discrete energy packets during the transmission of light, gave rise to the concept of the photon in 1905.

What does photon energy mean?

The electron-volt (eV), rather than the joule, is a commonly used unit of energy when discussing "particles" like photons or electrons (J). A photon with an energy of 1 eV = 1.602* 10^-19 J is the energy needed to elevate an electron through 1 volt.

E =hν

E = h*c/λ

h = 6.626*10^-34 J.s

c = 3*10^8 m/s

λ = 679*10^-9 m

1 mol photons = 6.023 x 10^23 photon

Energy of one photon [tex]E=\frac{6.626*10^-34*3*10^8}{679*10^-9}[/tex]

[tex]E=\frac{6.023*10^23*6.626*10^-34*3*10^8}{679*10^-9}[/tex]

[tex]E=1.76*10^5J[/tex]

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a ladybug is clinging to the rim of a spinning wheel which is spinning ccw and is slowing down. at the moment shown, what is the approximate direction of the ladybug's total acceleration?

Answers

The ladybird is accelerating in a general southeasterly direction. Considering that a ladybird is clinging to the rim of a wheel that is spinning slowly. C is the wisest decision.

In mechanics, acceleration refers to the speed at which the velocity of an item changes over time. The accelerations vector quantity (in that they have magnitude and direction). An object's acceleration in respect to a net force depends on the force's direction. the rate of an object's acceleration, according to Newton's Second Law. An object's velocity, or the speed at which it is travelling, indicates the rate of change in that object's position as observed from a certain frame of reference.

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a 2 in. raceway is to be installed in a pull box for a straight pull; conductors are 4 awg or larger. what is the minimum length of the pull box as required by the nec

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Straight pushes necessitate the use of 16 in. Raceway with conductors that are 4 awg or required.

What does need require mean?

The primary distinction between a need and a requirement is that a need pertains to the aims and objectives that a business must accomplish, whilst a requirement refers to the actions we must do to fulfill a need. The terms "need" and "requirement" are occasionally used interchangeably.

How do you properly form a sentence?

A subject, a verb, and a complete thought are necessary components of well-written, complete sentences. An entire statement must make sense by itself. Complete sentences are occasionally referred to as independent clauses. A clause is a collection of words that could be used to form a sentence.

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After a long day of driving you take a late-night swim in a motel swimming pool. When you go to your room, you realize that you have lost your room key in the pool. You borrow a powerful flashlight and walk around the pool, shining the light into it. The light shines on the key, which is lying on the bottom of the pool, when the flashlight is held 1.2 m above the water surface and is directed at the surface a horizontal distance of 1.5 m from the edge (Figure 1).

Answers

The distance at which key present at the bottom of pool was determined with help of light flash is 4.36m.

What occurs when light reaches the water's surface?

Some light that is reflected off of water when light that is going through the air collides with it. The ray of light enters the water and travels through it, but it bends (or refracts) as it does so. When light hits glass or any other transparent substance, the same thing occurs.

i = angle of incident light

tan i = 1.5/1.2 => 5/4

sin i = 5/ sqrt(41)

sin r = 5x3/4x sqrt(41)

tan r = x/4 = 15/sqrt(41)

     x=> 2.86m

x=> 1.5 + 2.86 => 4.36m

How do lights work?

Light is electromagnetic radiation that the human eye can experience. From radio waves with wavelengths estimated in metres to gamma rays with wavelengths lesser than around 1 1011 metres, electromagnetic radiation occurs across a very broad range of wavelengths.

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