SOLUTION: liam's grandfather's clock has a pendulum that moves from its central position at rest according to the trigonometris function P(t)-3.5sin(pi/2 t) where t represents the time in s

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Question 630900: liam's grandfather's clock has a pendulum that moves from its central position at rest according to the trigonometris function P(t)-3.5sin(pi/2 t) where t represents the time in seconds does it take the pendulum to complete one full cycle from rest at the center to the left and then to the right and back to the rest??
(1)1 second
(2)2 second
(3)3.5 second
(4)4 seconds
Answer by Alan3354(69443) About Me  (Show Source):
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liam's grandfather's clock has a pendulum that moves from its central position at rest according to the trigonometris function P(t)-3.5sin(pi/2 t) where t represents the time in seconds does it take the pendulum to complete one full cycle from rest at the center to the left and then to the right and back to the rest??
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4 seconds