Question: (a) If the mass in a massspring system is halved, the new period is (1) 2, (2) 2, (3) 1/2, (4) 1/2 times the old

(a) If the mass in a mass–spring system is halved, the new period is (1) 2, (2) √2, (3) 1/√2, (4) 1/2 times the old period. Why?
(b) If the initial period is 3.0 s and the mass is reduced to 1/3 of its initial value, what is the new period?

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