Physics, 30.07.2019 22:00 kayla232734

The position of a 55 g oscillating mass is given by x(t)=(2.0cm)cos(10t), where t is in seconds. determine the velocity at t=0.40s. express your answer in meters per second to two significant figures.

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The position of a 55 g oscillating mass is given by x(t)=(2.0cm)cos(10t), where t is in seconds. det...