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Find the ratio of time period of two identical springs if they are first joined in series & then in parallel &a mass m is suspended from them....... A. 4 B.2 C.1 D.3

Find the ratio of time period of two identical springs if they are first joined in series & then in parallel &a mass m is suspended from them.......
A. 4
B.2
C.1
D.3

Grade:11

2 Answers

Gaurav Gupta
askIITians Faculty 686 Points
3 years ago
564-106_New Doc 2018-03-20 (2)_2.jpg
Khimraj
3007 Points
3 years ago
value of k when connected in series is ks = (k+k)/2 = k/2
value of k when connected in parallel is kp = (k+k) = 2k.
Ratio of time period Ts/Tp = (kp/ks)1/2 = (4)1/2 = 2.

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