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Solve the all parts of following problem:
Problem: A 1.7kg book is lying on a 0.80m -high table. You pick it up and place it on a bookshelf 2.3m above the floor.
Part I: During this process, how much work does gravity do on the book?
Part II: During this process, how much work does your hand do on the book?
Rework your solution from the starting and check each step carefully.
A turn on a racetrack has a radius of curvature of 2000 ft and a bank angle theta. If cars travel at 140 mph through the turn find a) the minimum bank angle so the cars won't slip sideways during the turn.
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Block A, with a mass of 2.4 kg, is stationary, while block B, with a mass of 8.6 kg, is moving at 8.1 m/s. What is the speed of the center of mass of this two-block system
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you shoot a ball of mass 50g into a pendulum arm of mass 200g whose center of mass rises 15cm. calculate the initial
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A 940kg motorboat accelerates away from a dock at 2.1m/s^2 .t Its propeller provides a thrust force of 4.0kN. What drag force is exerted by the water on the boat
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