A small block of mass m is placed on a wedge of mass M as shown, which is initially at rest. All sur

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5.Work, Energy, Power and Collision

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$A$ small block of mass $m$ is placed on $a$ wedge of mass $M$ as shown, which is initially at rest. All the surfaces are frictionless . The spring attached to the other end of wedge has force constant $k$. If $a'$ is the acceleration of $m$ relative to the wedge as it starts coming down and $A$ is the acceleration acquired by the wedge as the block starts coming down, then

A

$\frac{{a'}}{{\sqrt 2 }} < A < a'$

B

$A < \frac{{a'}}{{\sqrt 2 }}$

C

$A > a'$

D

None

Solution

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Standard 11

Physics

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