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A circular disc with a groove along its diameter is placed horizontally. A block of mass 1 kg is placed as shown. The co-efficient

A circular disc with a groove along its diameter is placed horizontally. A block of mass 1 kg is placed as shown. The co-efficient of friction between the block and all surfaces of groove in contact is = 2/5. The disc has an acceleration of 25 m/s. Find the acceleration of the block with respect to disc. a = 25 m/s (D cos 0 = 4/5 sin 0 = 3/5

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