Multiple choice question XLIII — task. Science CBSE, Class 9.

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The momentum of a body of mass

$5\ kg$ is

$10\ kg ms^{-1}$ . A force of

$2\ N$ acts on the body in the direction of motion for

$5\ s$ , the increase in the kinetic energy is:

$15\ J$
$50\ J$
$30\ J$
$20\ J$

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