EBK PHYSICS FOR SCIENTISTS & ENGINEERS
5th Edition
ISBN: 9780134296074
Author: GIANCOLI
Publisher: VST
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Chapter 36, Problem 7Q
Does time dilation mean that time actually passes more slowly in moving reference frames or that it only seems to pass more slowly?
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A space shuttle orbits earth at 5 miles/second. A clock moving past us at that speed will lose time relative to our clocks.Time dilation tells us that while our clocks tick off 1 hour (T) the moving shuttle clock will tick off 1.3 millionth of a second less than an hour (T0) As the speed of the clock increases, the effect becomes more noticeable. While our clocks tick off 1 hour,
a clock moving half the speed of light ticks off 52 minutes
a clock moving at 3/5 the speed of light ticks off 48 minutes
a clock moving at 4/5 the speed of light ticks off 36 minutes
a clock moving at 99% the speed of light ticks off 8.5 minutes
Verify the results for the above 4 examples.
Time dilation happens in any speed. True or False?
Suppose astronauts are paid according to the amount of time they spent traveling in space. After a long voyage traveling at a speed approaching the speed of light, would a crew member rather be paid according to (a) an earth-based clock, (b) their spacecraft's clock, (c) either clock?
Chapter 36 Solutions
EBK PHYSICS FOR SCIENTISTS & ENGINEERS
Ch. 36 - You are in a windowless car in an exceptionally...Ch. 36 - You might have had the experience of being at a...Ch. 36 - Prob. 3QCh. 36 - Does the Earth really go around the Sun? Or is it...Ch. 36 - If you were on a spaceship traveling at 0.5c away...Ch. 36 - The time dilation effect is sometimes expressed as...Ch. 36 - Does time dilation mean that time actually passes...Ch. 36 - Prob. 8QCh. 36 - If you were traveling away from Earth at speed...Ch. 36 - Do time dilation and length contraction occur at...
Ch. 36 - Discuss how our everyday lives would be different...Ch. 36 - Explain how the length contraction and time...Ch. 36 - The drawing at the start of this Chapter shows the...Ch. 36 - Prob. 16QCh. 36 - Can a particle of nonzero mass attain the speed of...Ch. 36 - Prob. 18QCh. 36 - If mass is a form of energy, does this mean that a...Ch. 36 - Prob. 20QCh. 36 - Is our intuitive notion that velocities simply...Ch. 36 - (II) A friend speeds by you in her spacecraft at a...Ch. 36 - (I) Suppose in Fig. 3611 that the origins of S and...Ch. 36 - (II) An unstable particle is at rest and suddenly...Ch. 36 - Prob. 37PCh. 36 - Prob. 39PCh. 36 - (II) How much energy can be obtained front...Ch. 36 - Prob. 47PCh. 36 - Prob. 55PCh. 36 - A spacecraft (reference frame S) moves past Earth...Ch. 36 - As a rough rule, anything traveling faster than...
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- An astronaut is traveling in a spacecraft in outer space in a straight line at a constant speed of 0.500c. Which of the following effects would she experience? (a) She would feel heavier. (b) She would find it harder to breathe. (c) Her heart rate would change. (d) Some of the dimensions of her spacecraft would be shorter. (e) None of those answers is correct.arrow_forwardWhen we speak of time dilation, do we mean that time passes more slowly in moving systems or that it simply appears to do so?arrow_forwardIf a spaceship is approaching the Earth at 0.100c and a message capsule is sent toward it at 0.100c relative to Earth, what is the speed of the capsule relative to the ship?arrow_forward
- If two spaceships are heading directly toward each other at 0.800c, at what speed must a canister be shot from the first ship to approach the other at 0.999c as seen by the second ship?arrow_forwardIt is said that Einstein, in his teenage years, asked the question, What would I see in a mirror if I carried it in my hands and ran at the speed of light? How would you answer this question?arrow_forwardGive a physical argument showing that it is impossible to accelerate an object of mass m to the speed of light, even with a continuous force acting on it.arrow_forward
- A spaceship in the shape of a sphere moves past an observer on Earth with a speed of 0.5c. What shape will the observer see as the spaceship moves past?arrow_forwardTo whom does an object seem greater in length, an observer moving with the object or an observer moving relative to the object? Which observer measures the object's proper length?arrow_forwardTwo spaceships approach each other, each moving with the same speed as measured by an observer on the Earth. If their relative speed is 0.70c, what is the speed of each spaceship?arrow_forward
- A space probe speeding towards the nearest star moves at 0.250c and sends radio information at a broadcast frequency of 1.00 GHz. What frequency is received on Earth?arrow_forwardWhich of the following statements are fundamental postulates of the special theory of relativity? More than one statement may be correct. (a) Light moves through a substance called the ether. (b) The speed of light depends on the inertial reference frame in which it is measured. (c) The laws of physics depend on the inertial reference frame in which they are used. (d) The laws of physics are the same in all inertial reference frames. (e) The speed of light is independent of the inertial reference frame in which it is measured.arrow_forwardWhat is the momentum of an electron travelling at 0.98c?arrow_forward
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Time Dilation - Einstein's Theory Of Relativity Explained!; Author: Science ABC;https://www.youtube.com/watch?v=yuD34tEpRFw;License: Standard YouTube License, CC-BY