A particle starts rotating from rest and displaces according to the formula:θ= 3t3/20 - t2/3. Calculate the angular velocity and angular acceleration at the end of 5 seconds.
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Explanation:
w = d(theta)/dt = 9t2 - 2t = 36-4 = 32rad/s
& = dw/dt = 18t - 2 = 36-2= 34rad/s2
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