17. Periodic Motion
Energy in Pendulums
Problem 14.64c
Textbook Question
Textbook Question(III) A glider on an air track is connected by springs to either end of the track (Fig. 14–41). Both springs have the same spring constant, k, and the glider has mass M.(k = 125 N/m and M = 215 g).
(c) How long does it take the amplitude to decrease to one-quarter of its initial value?
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