29. IE ••

(a) If the spring constant in an oscillating massspring system is halved, the new period is (1) 2, (2) 2 ,

(3) 1 2, (4) 1/2 times the old period. Explain.

(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?