Find at what time does it first reach the maximum speed

Reference no: EM13510998

The equation for the displacement in meters of an object moving in SHM is x(t) = 1.50 cos (4.20t) where t is in seconds.

(a) What is the maximum speed of the object?

(b) At what time does it first reach the maximum speed?

Reference no: EM13510998

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