SHMHard

Question

A mass of 1 kg attached to the bottom of a spring has a certain frequency of vibration. The following mass has to be added to it in order to reduce the frequency by half :

Options

A.1 kg   
B.2 kg   
C.3 kg   
D.4 kg   

Solution

f1 =
f2 =
f2 = or   m2 = 4m1   or     m2 − m1 = 3 kg

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