Physics, 16.09.2019 21:00 kitkatyr4992
Aperson throws a ball upward into the air with an initial velocity of 15.0 m/s. calculate (a) how high it goes, and (b) how long the ball is in the air before it comes back to the hand. ignore air resistance.
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Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer
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In an old-fashioned amusement park ride, passengers stand inside a 3.0-m-tall, 5.0-m-diameter hollow steel cylinder with their backs against the wall. the cylinder begins to rotate about a vertical axis. then the floor on which the passengers are standing suddenly drops away! if all goes well, the passengers will โstickโ to the wall and not slide. clothing has a static coefficient of friction against steel in the range 0.60 to 1.0 and a kinetic coefficient in the range 0.40 to 0.70. part a what is the minimum rotational frequency, in rpm, for which the ride is safe? express your answer using two significant figures. f f = rpm
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The amount of potential energy possessed by an elevated object is equal to
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Aperson throws a ball upward into the air with an initial velocity of 15.0 m/s. calculate (a) how hi...
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