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Statement of a problem № 2562

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A wheel of 40-cm radius rotates on a stationary axle. It is uniformly speeded up from rest to a speed of 900 rpm in a time of 20 s. Find (a) the constant angular acceleration of the wheel and (b) the tangential acceleration of a point on its rim.

Solution:
A wheel of 40-cm radius rotates on a stationary axle. It is uniformly speeded up

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