# Question

In the spin-dry cycle of a modern washing machine, a wet towel with a mass of 1.50 kg is “stuck to” the inside surface of the perforated (to allow the water out) washing cylinder. To have decent removal of water, clothes need to experience a centripetal acceleration of at least 10g. Assuming this value, and that the cylinder has a radius of 35.0 cm, determine the constant angular acceleration of the towel required if the washing machine takes 2.50 s to achieve its final angular speed.

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