Physics, 04.02.2021 19:10 morkitus13
190 kg of water is to be raised by a water pump to a height of 25 meters from the bottom of a well in 60 seconds. What should be the minimum power rating of the pump in kilowatts and in horsepower?
Answers: 1
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A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?
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One hazard of space travel is debris left by previous missions. there are several thousand masses large enough to detect by radar orbiting the earth, but there are far greater numbers of very small masses such as flakes of paint. calculate the force exerted by a 0.110 mg chip of paint that strikes a space shuttle window at a relative speed of 5.00 โ 103 m/s and sticks, given the collision lasts 6.00 โ 10-8 s. such a collision chipped the window of the ill-fated challenger in june 1983, causing $50,000 of damage.
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190 kg of water is to be raised by a water pump to a height of 25 meters from the bottom of a well i...
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