SOLUTION: Assume that the simple harmonic motion of a spring is described by the equation {{{S=4cos (pi*t/2)}}} where {{{S}}} is in cm and {{{t}}} is in seconds. When during the time, 0 to

Question 1103942: Assume that the simple harmonic motion of a spring is described by the equation
where is in cm and is in seconds. When during the time, 0 to 8 seconds, is the spring passing through the origin?
Answer by ikleyn(52788) (Show Source): You can put this solution on YOUR website!
.

S = 0 every time when  = , , , ,  which corresponds to values of t = 1, 3, 5, 7 seconds.


Answer.  S = 0  at  t = 1 second,  3 seconds,  5 seconds  and  7 seconds in the interval from 0 to 8 seconds.

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