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The pendulum of a grandfather clock swings.so that its distance from the
vertical may be expressed as a sinusoidal function. At t=0, the pendulum
is at its maximum displacement d. It makes r full cycles every second. Write
an equation for each value of d and r.
1. d=4.5 in., r = 1
2. d= 6 in., r=-¹
3. d=5 in., r = 2
r = 1/22
4. d = 4 in., r =1/2


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