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Standard XII

Physics

Bouncing Ball Example

A body of mas...

Question

A body of mass $M$ moves with a velocity $V$ and collides elastically with a another body of mass $m (M ≫ m)$ at rest then the velocity of body of mass $m$ is

V

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2 V

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V / 2

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Zero

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Solution

The correct option is A $2 V$
Let
$m_{1} = M m_{1} = m V_{1 i} = V V_{2 i} = 0$
and $M > m$ So $M + m \approx M$
Putting all the value in above equation
$V_{2 f} = 2 V$

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A body of mass M moves with a velocity V and collides elastically with a another body of mass m(M≫m) at rest then the velocity of body of mass m is

The correct option is A 2VLetm1=Mm1=mV1i=VV2i=0and M>m So M+m≈MPutting all the value in above equationV2f=2V

A body of mass $M$ moves with a velocity $V$ and collides elastically with a another body of mass $m (M ≫ m)$ at rest then the velocity of body of mass $m$ is

The correct option is A $2 V$
Let
$m_{1} = M m_{1} = m V_{1 i} = V V_{2 i} = 0$
and $M > m$ So $M + m \approx M$
Putting all the value in above equation
$V_{2 f} = 2 V$