A spacecraft has left the earth and is moving toward Mars. An observer on the earth finds

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A spacecraft has left the earth and is moving toward Mars. An observer on the earth finds that, relative to measurements made when the spacecraft was at rest, its
a. length is shorter
b. KE is less than 1_2 mv2
c. clocks tick faster
d. rest energy is greater

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Related Book For  answer-question

The Physical Universe

ISBN: 978-0077862619

16th edition

Authors: Konrad B Krauskopf, Arthur Beiser

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