The linear momentum of a ball of mass $50 g$ is $0.5 k g {m s}^{- 1}$ . Find its velocity.

0.01

{m s}^{- 1}

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1

{m s}^{- 1}

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5

{m s}^{- 1}

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10

{m s}^{- 1}

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Solution

The correct option is D $10$ ${m s}^{- 1}$
We know that $p = m v$
where $p = 0.5 k g m s^{- 1}$ linear momentum
$m = 50 g = 0.05 k g$ mass, $v =$ velocity
$∴ v = \frac{p}{m}$
$\Rightarrow= \frac{0.5}{0.05} = 10 m / s$

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The linear momentum of a ball of mass 50g is 0.5kgms−1. Find its velocity.

The correct option is D 10 ms−1We know that p=mvwhere p=0.5kgms−1 linear momentumm=50g=0.05kg mass, v= velocity∴v=pm⇒=0.50.05=10m/s

The linear momentum of a ball of mass $50 g$ is $0.5 k g {m s}^{- 1}$ . Find its velocity.

The correct option is D $10$ ${m s}^{- 1}$
We know that $p = m v$
where $p = 0.5 k g m s^{- 1}$ linear momentum
$m = 50 g = 0.05 k g$ mass, $v =$ velocity
$∴ v = \frac{p}{m}$
$\Rightarrow= \frac{0.5}{0.05} = 10 m / s$