Pearson eText Life in the Universe -- Instant Access (Pearson+)

4th Edition

ISBN: 9780135234457

Author: Jeffrey Bennett, Seth Shostak

Publisher: PEARSON+

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Textbook Question

Chapter 13, Problem 55IF

Relativistic Time Dilation. Use the time dilation equation from Cosmic Calculations 13.2 to answer each of the following questions.

a. Suppose a rocket travels at the escape velocity from Earth (11 km/s). Will time on the rocket differ noticeably from time on Earth? Explain.
b. Suppose a rocket travels at a speed of 0.9c. If the rocket is gone from Earth for 10 years as measured on Earth, how much time passes on the rocket?
c. Suppose a rocket travels at a speed of 0.9999c. If the rocket is gone from Earth for 10 years as measured on Earth, how much time passes on the rocket?

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Chapter 13, Problem 54IF

Chapter 13, Problem 56IF

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Race car driver is cruising down the street at a constant speed of 28.9 m/s (~65 mph; he has a “lead” foot) when the traffic light in front of him turns red. a) If the driver’s reaction time is 160 ms, how far does he and his car travel down the road from the instant he sees the light change to the instant he begins to slow down? b) If the driver’s combined reaction and movement time is 750 ms, how far do he and his car travel down the road from the instant he sees the light change to the instant he slams on her brakes and car begins to slow down? Please answer parts a-B. Show all work. For each question draw a diagram to show the vector/s. Show all the step and provide units in the answers. Provide answer to 2 decimal places. DONT FORGET TO DRAW VECTORS! ONLY USE BASIC FORMULAS TAUGHT IN PHYSICS. distance = speed * time.

Race car driver is cruising down the street at a constant speed of 28.9 m/s (~65 mph; he has a “lead” foot) when the traffic light in front of him turns red. a) If the driver’s reaction time is 160 ms, how far does he and his car travel down the road from the instant he sees the light change to the instant he begins to slow down? b) If the driver’s combined reaction and movement time is 750 ms, how far do he and his car travel down the road from the instant he sees the light change to the instant he slams on her brakes and car begins to slow down? c) If the driver’s average rate of acceleration is -9.5 m/s2 as he slows down, how long does it take him to come to a stop (use information about his speed of 28.9 m/s but do NOT use his reaction and movement time in this computation)? Please answer parts a-c. Show all work. For each question draw a diagram to show the vector/s. Show all the step and provide units in the answers. Provide answer to 2 decimal places unless stated otherwise.…

How is it that part a is connected to part b? I can't seem to solve either part and don't see the connection between the two.

Chapter 13 Solutions

Pearson eText Life in the Universe -- Instant Access (Pearson+)

Ch. 13 - Prob. 1RQ Ch. 13 - How does the speed of light affect the possibility...Ch. 13 - Prob. 3RQ Ch. 13 - Prob. 4RQ Ch. 13 - What is the rocket equation used for? Based on the...Ch. 13 - Prob. 6RQ Ch. 13 - Discuss a few ways of reaching the stars (other...Ch. 13 - How would time dilation affect space travel at...Ch. 13 - Prob. 9RQ Ch. 13 - What is the Fermi paradox? What two seemingly...

Ch. 13 - Why does it seem that other civilizations, if they...Ch. 13 - What arc Von Neumann machines? How do they affect...Ch. 13 - Describe the coral model of galactic colonization....Ch. 13 - Briefly discuss possible motives for galactic...Ch. 13 - Summarize the three general categories of possible...Ch. 13 - Briefly discuss the profound implications of the...Ch. 13 - What known problems were solved when Einstein...Ch. 13 - Prob. 18RQ Ch. 13 - Besides the idea that you cannot reach the speed...Ch. 13 - Prob. 20RQ Ch. 13 - Prob. 21TYU Ch. 13 - Prob. 22TYU Ch. 13 - Each of the following describes some futuristic...Ch. 13 - Prob. 24TYU Ch. 13 - Prob. 25TYU Ch. 13 - Prob. 26TYU Ch. 13 - Prob. 27TYU Ch. 13 - Prob. 28TYU Ch. 13 - Prob. 29TYU Ch. 13 - Prob. 30TYU Ch. 13 - Prob. 31TYU Ch. 13 - The amount of energy that would be needed to...Ch. 13 - The rocket engines of our current spacecraft are...Ch. 13 - Suppose that a spaceship was launched in the year...Ch. 13 - Prob. 35TYU Ch. 13 - Prob. 36TYU Ch. 13 - Which of the following questions best represents...Ch. 13 - Prob. 38TYU Ch. 13 - Which of the following is not relative in the...Ch. 13 - Prob. 40TYU Ch. 13 - Prob. 41POS Ch. 13 - Prob. 42POS Ch. 13 - Prob. 44IF Ch. 13 - What's Wrong with This Picture? Many science...Ch. 13 - Large Rockets. Suppose we built a rocket that...Ch. 13 - Prob. 47IF Ch. 13 - Solution to the Fermi Paradox. Among the various...Ch. 13 - Prob. 50IF Ch. 13 - Cruise Ship Energy. Suppose we have a spaceship...Ch. 13 - Prob. 52IF Ch. 13 - The Multistage Rocket Equation. The rocket...Ch. 13 - Relativistic Time Dilation. Use the time dilation...Ch. 13 - Testing Relativity. A + meson produced at rest has...Ch. 13 - Prob. 57IF Ch. 13 - Prob. 58IF Ch. 13 - Prob. 59IF Ch. 13 - Prob. 60IF Ch. 13 - The Turning Point. Discuss the idea that the...

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