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1. Assuming that you are moving with a constant speed of 0.55c when you passed by a man on the sidewalk who started looking at his watch. From your observation, it took him 4.5 seconds to look at his watch then look up. How much time elapsed in the man's frame? 2. A 1.2 kilometer - long train is travelling at a speed of 100 mi/hr. How long is the train as observed by a passenger who was left standing on the platform? Is length contraction observed? Explain your answer briefly.

1. Assuming that you are moving with a constant speed of 0.55c when you passed by a man on the sidewalk who started looking at his watch. From your observation, it took him 4.5 seconds to look at his watch then look up. How much time elapsed in the man's frame? 2. A 1.2 kilometer - long train is travelling at a speed of 100 mi/hr. How long is the train as observed by a passenger who was left standing on the platform? Is length contraction observed? Explain your answer briefly.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Problem Set: Time Dilation, Length Contraction, Relativistic Addition of Velocities Instructions: Show your complete solution. Specify the reference frames and draw diagrams to illustrate the problem. Highlight your final answer (encircle, enclosed with a rectangle or underline). 1. Assuming that you are moving with a constant speed of 0.55c when you passed by a man on the sidewalk who started looking at his watch. From your observation, it took him 4.5 seconds to look at his watch then look up. How much time elapsed in the man's frame? 2. A 1.2 kilometer - long train is travelling at a speed of 100 mi/hr. How long is the train as observed by a passenger who was left standing on the platform? Is length contraction observed? Explain your answer briefly.
Transcribed Image Text:Problem Set: Time Dilation, Length Contraction, Relativistic Addition of Velocities Instructions: Show your complete solution. Specify the reference frames and draw diagrams to illustrate the problem. Highlight your final answer (encircle, enclosed with a rectangle or underline). 1. Assuming that you are moving with a constant speed of 0.55c when you passed by a man on the sidewalk who started looking at his watch. From your observation, it took him 4.5 seconds to look at his watch then look up. How much time elapsed in the man's frame? 2. A 1.2 kilometer - long train is travelling at a speed of 100 mi/hr. How long is the train as observed by a passenger who was left standing on the platform? Is length contraction observed? Explain your answer briefly.
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