Question

Q.21 A body moving with velocity v has momentum and kinetic energy numerically

equal. What is the value of v

A) 4m/s
B) square root of 2 m/s

C)2m/s
D) 0.2 m/s

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Answer 1

Explanation:

P=E⇒mv= 2 mv2 ⇒v=2m/s

1