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A copper block rests 30.0 cm from the center of a steel turntable. The coefficient of static friction between the block and the surface is 0.53.The turntable starts from rest and rotates with a constant angular acceleration 0.50 radians/second squared. After what time interval will the block start to slip on the turntable? (Hint: The normal force in this case equals the weight of the block.)`

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