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When you push a 1.77 kg book resting on a tabletop, it takes 2.29 N to start the book sliding. Once it is sliding, but, it only takes 1.45 N to keep the book moving with a constant speed.
1. What is the coefficient of static friction among the book and tabletop?
2. What is the coefficient of kinetic friction between the tabletop and the book?
A 2.0 kg ball is attached to a vertical post with two strings, one 2 m long and the other 1 m long. If the ball is set whirling in a horizantal circle, find the tension on each string
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While lifeguarding, Jenny is twirling a whistle in uniform circular motion next to herself (the whistle is moving in a vertical plane). Find the period of whistle while in uniform circular motion
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A block of mass 0.379 kg is placed on the end of a spring which has a stiffness of 216 N/m. It is pulled down 4.40 cm and released. What is the period of oscillation
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