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
f2 =
f2 =
or m2 = 4m1 or m2 − m1 = 3 kgCreate a free account to view solution
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