# Question

(a) If the spring constant in a mass–spring system is halved, the new period is (1) 2, (2) √2, (3) 1/√2, (4) ½ times the old period. Why?

(b) If the initial period is 2.0 s and the spring constant is reduced to 1/3 of its initial value, what is the new period?

(b) If the initial period is 2.0 s and the spring constant is reduced to 1/3 of its initial value, what is the new period?

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