College Physics
College Physics
1st Edition
ISBN: 9781938168000
Author: Paul Peter Urone, Roger Hinrichs
Publisher: OpenStax College
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Chapter 28, Problem 1CQ

Which of Einstein's postulates of special relativity includes a concept that does not fit with the ideas of classical physics? Explain.

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To determine

The Einstein's postulates of special relativity include a concept that does not fit with the ideas of classical physics.

Explanation of Solution

Introduction:

Einstein gives the theory of relativity which states that for anybody to be in rest or motion it is determine by inertial frame of reference.

Second thing he states that the velocity of light is constant irrespective of its frame.

Second postulate of the theory which states that speed of light is independent of the frame of reference. This concept contradicts the idea of the classical physics.

Basic concept in classical physics is when any source moving toward or away from light than the speed of that object effect its motion. Suppose the object moving with the velocity 'v', then the resultant velocity of the object in classical physics is given by

Speed of light − speed of object = resultant velocity

But according to Einstein the speed of light is same in all frame of references.

Conclusion:

Thus, the second postulate of the Einstein theory of relativity contradict the concept of classical physics.

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Which of Einstein’s postulates of special relativity includes a concept that does not fit with the ideas of classical physics?Explain.

Chapter 28 Solutions

College Physics

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