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The motion of a body is described by the equation 1.90 sin (0.380πt) where t is...

The motion of a body is described by the equation 1.90 sin (0.380πt) where t is in s and y is in m.

(a) Find the amplitude.

(b) Find the period.

(c) Find the frequency.

(d) Find the displacement at t = 2.50 s.

(e) Find the displacement at t = 29.0 s.

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