A body moving with velocity v has momentum and kinetic energy numerically equal. value of v ........

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5.Work, Energy, Power and Collision

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A body moving with velocity $v$ has momentum and kinetic energy numerically equal. What is the value of $v$ ........$m/s$

A

$2$

B

$\sqrt 2$

C

$1$

D

$0.2$

Solution

(a)$P = E$ ==> $mv = \frac{1}{2}m{v^2}$

==> $v = 2\,m/s$

Standard 11

Physics

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