CHAPTER 2 Giancoli: Physics

28. (a) We find the period from the time for N oscillations: T = t/N = (50 s)/36 = 1.4 s. (b) The frequency is. f = 1/T = 1/(1.39 s) = 0.72 Hz. 30. (a) For the period on Earth we have. T = 2((L/g)1/2 = 2([(0.50 m)/(9.80 m/s2)]1/2 = 1.4 s. In a freely falling elevator, the effective g is zero. ................
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