A particle with rest mass m moves with speed 0.6c. Its kinetic energy is A. 0.18mc2 B. 0.22mc? C. 0.25mc2 D. mc2

asked Jan 15, 2021 7.5k views

1 vote

A particle with rest mass m moves with speed 0.6c. Its kinetic energy is

A. 0.18mc2
B. 0.22mc?
C. 0.25mc2
D. mc2

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2 votes

Answer:

A. 0.18 mc²

Step-by-step explanation:

KE = ½ mv²

KE = ½ m (0.6 c)²

KE = 0.18 mc²

Shao answered Jan 21, 2021

by Shao

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