A mass m is suspended from the two coupled springs connected in series. The force constant for springs are K1 and K2 . The time period of the suspended mass will be
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a
T=2πmK1+K2
b
T=2πmK1−K2
c
T=2πm(K1+K2)K1K2
d
T=2πmK1K2K1+K2
answer is C.
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Detailed Solution
In series keq=k1k2k1+k2 so time period T=2πm(k1+k2)k1k2