Question 31 please OContractionon and Length30. A rod lying parallel to and moving parallelto the x axis with a speed of 0.80c has aproper length of 1.0 m. What is its lengthin the rest frame?31. A spaceship appears to be shortened toone-third of its proper length. What is itsrelative speed?CHAPTER 13: The World of Special Relativity

As per your requirement I'm solving question number 31.Measured length is 1/3 of it's proper…

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31. A spaceship appears to be shortened to one-third of its proper length. What is its relative speed?

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter1: Relativity I

Section: Chapter Questions

Problem 19P: Two spaceships approach each other, each moving with the same speed as measured by an observer on...

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Concept explainers

Proper Length

The theory of special relativity explains the connection between space and time to objects that move in a straight line at a constant speed. The objects move at the speed of light. When an object approaches light speed, its mass is endless and cannot move faster than light. The most crucial postulate of Einstein's special relativity is that the laws of nature do not change in each frame of reference.

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Question 31 please

O
Contraction
on and Length
30. A rod lying parallel to and moving parallel
to the x axis with a speed of 0.80c has a
proper length of 1.0 m. What is its length
in the rest frame?
31. A spaceship appears to be shortened to
one-third of its proper length. What is its
relative speed?
CHAPTER 13: The World of Special Relativity

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