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If a small block of mass m is placed gently on M when it is passing through its mean position. Find it's new amplitude of SHM, if initial amplitude is A.

a}MM+m(A)

b}M+mM(A)

C}M+m2M (A)

d}MMm(A)

1 Answer

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Best answer

Velocity at mean positon is Aω 

Conserving Momentum MAω0+(M+m)V

V=MAωoM+m=(A)KM+m

A=MAKMM+m×M+mK=M(M+m)A

 

Hence , B option is correct

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