EBK COSMIC PERSPECTIVE, THE
8th Edition
ISBN: 8220101465108
Author: Voit
Publisher: PEARSON
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Chapter S2, Problem 31EAP
Choose the best answer to each of the following. Explain your reasoning with one or more complete sentences.
31. Carla is traveling past you at a speed close to the
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Hi, please show full solutions and also explain how you get the answers in physics term so it's understandable. The correct final answers are written beside too. This is one whole question to be answered. I can't post it separately since it's related. Thank you.
2. An astronaut in a spacecraft leaves Earth at a speed of 0.90c and travels 27 light-years away, both measured by an Earth-based observer. Hint: One light-year is the distance light travels in one year.
a) How long will the journey take in years, as measured by the Earth-based observer? (30 years)b) How many years will have passed for the astronaut during the journey? (13 years)c) What distance will the astronaut measure the journey to be? (12 ly or 1.1 x 1017 m)
Gearing up for My Relativity Journey
Directions: Read and analyze the given situations/questions below. Complete the table by
writing your prediction on the given situation.
1. Will it be possible for a moving person to observe two events happening
simultaneously with respect to inertial frame given that another person simultaneously
observes the two events in one inertial frame?
2. Does the distance covered by light under a stationary frame similar to the distance it
will cover under a moving frame considering a stationary observer?
3. How do time and space influence aging on Earth and on the outer space?
1. Predict what will happen to the length of an object as it reaches the speed of light?
2. How much work is needed for an object to reach the speed of light in a vacuum?
PREDICT
ANALYZE
EXPLAIN
145
discussion of elementary particle physics?
PET a good exam-
ple
2. Describe the two fundamental postulates underlying Einstein's
special theory of relativity.
3. Suppose you were traveling toward the Sun at a constant velocity of
0.25c. With what speed does the light streaming out from the Sun go
past you? Explain your reasoning.
4. Light travels in water at a speed of 2.25 X 108 m/s. Is it possible for
particles to travel through water at a speed v>2.25 × 108 m/s?
Why or why not? Explain.
5. In your own words, define what is meant by time dilation in spe-
cial relativity theory. Provide a similar definition for length contrac-
tion. Give an example in which the effects of time dilation are actu-
ally observed.
15
16
17
1:
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Chapter S2 Solutions
EBK COSMIC PERSPECTIVE, THE
Ch. S2 - Prob. 1EAPCh. S2 - Prob. 2EAPCh. S2 - Prob. 3EAPCh. S2 - Prob. 4EAPCh. S2 - Prob. 5EAPCh. S2 - Suppose you see a friend moving by you at some...Ch. S2 - Prob. 7EAPCh. S2 - Prob. 8EAPCh. S2 - Prob. 9EAPCh. S2 - Prob. 10EAP
Ch. S2 - 11. What is mass increase? How does the mass of an...Ch. S2 - Prob. 12EAPCh. S2 - Prob. 13EAPCh. S2 - Prob. 14EAPCh. S2 - Prob. 15EAPCh. S2 - Prob. 16EAPCh. S2 - Prob. 17EAPCh. S2 - Prob. 18EAPCh. S2 - Prob. 19EAPCh. S2 - Prob. 20EAPCh. S2 - Prob. 21EAPCh. S2 - Prob. 22EAPCh. S2 - Prob. 23EAPCh. S2 - Does It Make Sense? Decide whether the statement...Ch. S2 - Does It Make Sense? Decide whether the statement...Ch. S2 - Prob. 26EAPCh. S2 - Prob. 27EAPCh. S2 - Prob. 28EAPCh. S2 - Prob. 29EAPCh. S2 - Prob. 30EAPCh. S2 - Choose the best answer to each of the following....Ch. S2 - Prob. 32EAPCh. S2 - Prob. 33EAPCh. S2 - 34. What provides the strongest evidence that...Ch. S2 - Prob. 35EAPCh. S2 - Prob. 36EAPCh. S2 - Prob. 37EAPCh. S2 - Prob. 38EAPCh. S2 - Prob. 39EAPCh. S2 - Prob. 40EAPCh. S2 - Prob. 41EAPCh. S2 - Prob. 42EAPCh. S2 - Prob. 43EAPCh. S2 - Prob. 44EAPCh. S2 - Prob. 45EAPCh. S2 - Prob. 46EAPCh. S2 - Prob. 47EAPCh. S2 - Prob. 48EAPCh. S2 - Prob. 49EAPCh. S2 - Prob. 50EAPCh. S2 - Prob. 51EAPCh. S2 - Prob. 52EAPCh. S2 - Prob. 53EAPCh. S2 - Prob. 54EAPCh. S2 - Prob. 55EAPCh. S2 - Prob. 56EAPCh. S2 - Prob. 57EAPCh. S2 - Prob. 58EAPCh. S2 - Prob. 59EAP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- What are the postulates of special relativity? Select all those apply. the laws of physics are the same in all inertial frames of reference. I. II. the speed of light is the same in any frame of reference. III. the length of an object depends on its speed relative to a given observer. IV. all physical experiments conducted in an accelerated frame of reference give identical results. Answer choices: A. I, II, and IV B. I and II C. II and III D. All of the above E. None of the abovearrow_forwardDirections: Solve the following problems carefully. Write your detailed solutions on another sheet of paper.1. A spaceship, 200 m long as seen on board, moves by the Earth at 0.970c. What is its length as measured byan Earth-bound observer?2. Verify that the solution in Example 1 in the discussion is related through time dilation with γ = 30.00 as givenarrow_forwardPhysics 3. What is the relativistic addition of velocity? Derive the addition of velocity in classical mechanics from the relativistic one. Please give an example in calculating relative velocity in the relativistic region. 4. Consider the two typical consequences of the Lorentz transformations: moving rods contract (length contraction) and moving clocks run slow (time dilation). If we replace v = -v in the two formulas above, we will get the same results.Please explain the physical meaning of the results.arrow_forward
- 1. Please help me answer A and B. Well explained please. A. Sets out the two postulates of Albert Einstein's theory of special relativity B. What is simultaneity? Use a concrete example in your explanation.arrow_forwardCan you help me explain the two postulates of special theory of relativity? (Can you give an example like a box or something to simplify and explain not just a generic statement) I can use your explanations and see if I can form my own. thank you in advance.arrow_forwardPlease answer following questions: a. How does special relativity affect the following general principles of physics you have learned so far? Explain your response: principle of relativity (laws of physics not dependent on inertial reference frame), conservation of energy and momentum, calculation of relative velocity, and principle of inertia (i.e. Newton's First Law). b. How does special relativity affect the application of general principles of physics? In particular, answer for: conservation of energy and momentum, and calculation of acceleration of a body under a force.arrow_forward
- Directions: Read and analyze the word problem. Solve the problem by identifying the given and formula needed. Write all the necessary given, substitution, conversion if there's any, formula used and computations. Highlight the final answer. 1. A 26 year old astronaut travels in a space craft in the outer space for 2 years in a 0.8c speed of light. A.) How much is the time dilation? B.) How old is the astronaut when he gets back on Earth?arrow_forwardTOPIC Special Theory of Relativity Intro, Time Dilation & Length Contraction A. TRUE OR FALSE. Explain your answer in one sentence. 1. The special theory of relativity is based on inertial frame of reference. 2. If a flashlight is emitted in a running train, the speed of light will be greater than c. 3. Time dilation and length contraction is not observed if the speed of an object being observed is very slow compared to the speed of light because it is not happening at this speed. 4. The twin who travelled at a very fast speed will age slower than his twin brother. 5. A car that travels at 0.85c will appear longer than when measured at rest. B. PROBLEM SOLVING. State the given data and the unknown required to be solved. Show the solution and express your final answer with correct number of significant digits. 1. A certain particle has a lifetime of 1.00 x 10-7 s when measured at rest. (a) What is its lifetime when moving at 0.99c? (b) How far does it go before decaying? 2. A 28-year…arrow_forwardDirections: Solve the following problems carefully. Write your detailed solutions on another sheet of paper. Write clearly so I can understand please Suppose the spaceship is approaching the Earth at half the speed of light and shoots a canister at a speed of 0.950c.1. At what velocity will an Earth-bound observer see the canister if it is shot directly towards the Earth?2. If it is shot directly away from the Earth?arrow_forward
- the Sun go 4. Light travels in water at a speed of 2.25 x 108 m/s. Is it possible for particles to travel through water at a speed v> 2.25 × 108 m/s? Why or why not? Explain. 5. In your own words, define what is meant by time dilation in spe- cial relativity theory. Provide a similar definition for length contrac- tion. Give an example in which the effects of time dilation are actu- ally observed.arrow_forwardPlease answer all the questions in number 5 by showing the complete solution. Specify the reference frame and please draw diagram to illustrate the problem. Please follow the instructions because I really need the reference frame and the diagram. Thank you. 5. (a) Rocket ship MOD is moving away from the earth at 0.80c then fires a missile in the same direction as its motion at 0.50c relative to it. What is the missile’s speed relative to earth? (b) Another rocket ship PHY catches up with rocket ship MOD by travelling at 0.94c relative to the earth. What is its speed relative to rocket ship MOD?arrow_forwardHow many minutes would it take to travel a distance of 7000 meters if you are traveling at a speech of 60 meters per second? Use the formula distance = speed x time. In lecture, we were given the formula V= λ/T. Sometimes we have to manipulate this formula to answer the question we are being asked. 4a. How do we manipulate the formula V= λ/T if we are given a problem where we need to find T? 4b. How do we manipulate the formula V= λ/T if we are given a problem where we need to find λ?arrow_forward
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