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Some sliding rocks approach the base of a hill with a speed of 18.0m/s . The hill rises at 44.0? above the horizontal and has coefficients of kinetic and static friction of 0.440 and 0.610, respectively, with these rocks. Start each part of your solution to this problem with a free-body diagram.
Part A Find the acceleration of the rocks as they slide up the hill.
Part B Once a rock reaches its highest point, will it stay there or slide down the hill?
Part C If it slides down, find its acceleration on the way down, else enter 0.
A playground carousel is free to rotate about its center on frictionless bearings, and air resistance is negligible. What is the person's mass
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find out the z-component of the block's momentum after the kick.
There is also blue light which has a transmitted angle in the water that is 0.56 degrees smaller than that of the red light in the water. What is the incident angle of blue light
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