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A block of mass m is attached with a spr...

A block of mass m is attached with a spring of force constant k. The block is kept on a frictionless plank. Mass of the plank is M and it is also kept on a horozontal frictionless surface. Initially the sysetm is stationaryl. An impulse p is applied on the block as shown. The maximum copression in the spring will be

A

`sqrt((MP^(2))/(m(M+m)k))`

B

`sqrt((mP^(2))/(M(M+m)k))`

C

`sqrt((MP^(2))/(m^(2)k))`

D

`sqrt((MP^(2))/(M^(2)k))`

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