A heavy wooden block rests on a flat table and a high-speed bullet is fired horizontally into the block, the bullet stopping in it. How far will the block slide before coming to a stop? The mass of the bullet is 9.5 g, the mass of the block is 10.5 kg, the bullet's impact speed is 610 m/s, and the coefficient of kinetic friction between the block and the table is 0.220
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a 50kg boy suspends himself from a rope tied horizontally between two vertical poles. The two segments of the rope are then inclined at angles 30 degrees and 60 degree respectively to the horizontal.the tensions fas in the segments of the rope