Pool players often pride themselves on their ability to impart a large speed to a pool...

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Physics

Pool players often pride themselves on their ability to impart alarge speed to a pool ball. In the sport of billiards, eventorganizers often remove one of the rails on a pool table to allowplayers to measure the speed of their break shots (the opening shotof a game in which the player strikes a ball with his pool cue).With the rail removed, a ball can fly off the table. As the onlyparticipant with a physics background, they have placed you incharge of determining the speed of the players\' break shots.
The top of the pool table is 0.730 m from the floor. Theplacement of the tape is such that 0 m is aligned with the edge ofthe table (as shown). The winner of the competition wants to knowif he has broken the world record for the break shot of 32 mph(about 14.3 m/s). If the winner\'s ball landed a distance 4.25 mfrom the table edge, calculate his break shot speed.
At what speed did his pool ball hit the ground?

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4.1 Ratings (678 Votes)

First you must know that that is a parabolicmovementWe consider the ground as the referencepointAll vector and pointing upward and the horizontal direction ofthe ball as positivewe See Answer

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