A cord is found around a circum of a wheel of diameter 0.3 m. The axis of the wheel is horizontal as mass of 0.5 kg is attached in the end of cord and it is allowsed to full from rest. If the weight 1.5m it's 4s what is the angular acceleration of the wheel? Also find M.I of the wheel?
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Answer:
Use
S = ut + 1/2 f t²
1.5 = 0 * t + 1/2 a (4)²
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