1.

A block of mass m =5kg is dropped onto a masless pan attached to a spring of constant k-200N/m from a height h. The second end of the spring is attached to a second block of mass M=10Kg as shwon. The minimum value of h so that the block M bounces of the ground if the block m sticks to the pan immediately after it comes in contact with it (g=10m//s^(2))

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1m
2m
3m
4m

Answer :A


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