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Standard XII

Physics

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A body of mas...

Question

A body of mass m having an initial velocity v, makes head-on collision with a stationary body of mass M. After the collision the body of mass m comes to rest and only the body having mass M moves. This will happen only when :

m >> M

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m << M

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m = M

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= \frac{M}{2}

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Solution

The correct option is C m = M
Two identical bodies exchange their respective velocities after the head on perfect elastic collision i.e $v_{1} = u_{2}$ and $v_{2} = u_{1}$
$⟹$ $m = M$

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A body of mass m having an initial velocity v, makes head-on collision with a stationary body of mass M. After the collision the body of mass m comes to rest and only the body having mass M moves. This will happen only when :

The correct option is C m = MTwo identical bodies exchange their respective velocities after the head on perfect elastic collision i.e v1=u2 and v2=u1⟹ m=M

The correct option is C m = M
Two identical bodies exchange their respective velocities after the head on perfect elastic collision i.e $v_{1} = u_{2}$ and $v_{2} = u_{1}$
$⟹$ $m = M$