Question

A boy of mass 30 kg while running at constant velocity has a momentum of 180 Ns. The constant velocity of the boy is________.​

Answer 1

Answer:

6 m/s

Explanation:

Given ,

mass (m) = 30 kg

momentum (p) = 180 Ns

We know,

p = m × v

=> 180 = 30 × v

=> v = 180/30

=> v = 6 m/s

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Answer 2

$\large\underline{\boxed{\bold\red{Question}}}$

A boy of mass 30 kg while running at constant velocity has a momentum of 180 Ns. The constant velocity of the boy is

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$\large\underline{\boxed{\bold\blue{Answer}}}$

$\large\underline{\boxed{\bold\purple{Given}}}$

$\large\pink{Mass = 30kg}$

$\large\pink{Momentum = 180 N}$

$\large\pink{Velocity = ?}$

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$\large{We \: know , \: \green{\boxed{P = mv}}}$

$\large\green{\boxed{Movement = Mass × velocity}}$

$\large\green{\boxed{\therefore \: v =\: \dfrac{p}{m}}}$

$\orange{v =\dfrac{\cancel{18}\cancel0}{\cancel3\cancel0}}$

$\large\orange{v=6 \: m/s}$

$\large\green{Hence, \: velocity \: (v)= 6m/s}$

[Hope this helps you.../]