A mass M, attached to a horizontal spring, executes SHM with amplitude A1. When the mass M passes through its means position then a smaller mass m is placed over it and both of them move together with amplitude A2. The ratio of A1A2 is
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a
M+mM
b
MM+m1/2
c
M+mM1/2
d
MM+m
answer is C.
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Detailed Solution
Momentum is conservedMA1ω=M+mA2 ω1MA1kM=M+mA2 kM+mA1A2=M+mM
A mass M, attached to a horizontal spring, executes SHM with amplitude A1. When the mass M passes through its means position then a smaller mass m is placed over it and both of them move together with amplitude A2. The ratio of A1A2 is