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Standard XII

Physics

Second Law of Motion

A stone attai...

Question

A stone attains a momentum of $1 k g m / s$ when it flies with a velocity of $2 m / s$ , then what will be the mass of the stone?

500 g

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2 k g

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2 g

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None

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Solution

The correct option is A $500 g$
Given : $P = 1$ $k g$ $m / s$ $v = 2$ m/s
Momentum of the stone $P = m v$
$∴$ Mass of stone $m = \frac{P}{v} = \frac{1}{2} = 0.5$ kg $= 500$ g

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A stone attains a momentum of 1 kg m/s when it flies with a velocity of 2 m/s, then what will be the mass of the stone?

The correct option is A 500 gGiven : P=1 kg m/s v=2 m/sMomentum of the stone P=mv∴ Mass of stone m=Pv=12=0.5 kg =500 g

A stone attains a momentum of $1 k g m / s$ when it flies with a velocity of $2 m / s$ , then what will be the mass of the stone?

The correct option is A $500 g$
Given : $P = 1$ $k g$ $m / s$ $v = 2$ m/s
Momentum of the stone $P = m v$
$∴$ Mass of stone $m = \frac{P}{v} = \frac{1}{2} = 0.5$ kg $= 500$ g