Question: A 3-lb particle is acted upon by a force F = (20 sin 2t)i + (24 cos 2t)j, where F is expressed in pounds and

A 3-lb particle is acted upon by a force F = (20 sin 2t)i + (24 cos 2t)j, where F is expressed in pounds and t in seconds. Determine the magnitude and direction of the velocity of the particle at t = 6s knowing that its velocity is zero at t = 0.

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