Problem 2. (8 points): Given F = r cos[0(t)] i* + r cos[0(t)]/ * and 0(t) = t? (everything is in mks). Find Va and
Problem 2. (8 points): Given F = r cos[0(t)] i* + r cos[0(t)]/ * and 0(t) = t? (everything is in mks). Find Va and Vy, the radial and tangential components of the velocity at t = 2 seconds. Hint: dcos(t?) = -2t sin(t2 ) dt
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