Physics, 10.07.2021 19:30 abrown8483
If the depth of water in a well is 10 m, what is the pressure exerted by it on the
bottom of the well? (Use g= 10 m/s2)
[Ans: 10 N/m]
Answers: 3
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What is a view of science and psychology that says the value of knowledge depends on its usefulness? a. pragmatism b. psychotherapy c. physiology
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An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?
Answers: 1
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Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in
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If the depth of water in a well is 10 m, what is the pressure exerted by it on the
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