Physics, 31.10.2019 01:31, shaymabejja1965
Newton measured the centripetal acceleration of the moon in its orbit around earth by comparing the force earth exerts on the moon with the force earth exerts on an apple. he obtained a value of ac = 2.66Ć10-3 m/s2. if newton had taken the mass of earth to be me = 5.97Ć1024 kg and the mean distance between the centers of earth and the moon to be rme = 3.86Ć108 m, what value would he have obtained for the gravitational constant, in units of nā m2/kg2?
Answers: 2
Physics, 22.06.2019 06:20, lolweapon
Atwo-stage air compressor operates at steady state, compression 10m^3/min of air from 100 kpa and 300k to 1200 kpa. an intercooler between the two stages cools the air to 300k at a constant pressure of 350 kpa. the compression processes are isentropic. a) calculate the power required to run the compressor, in kw b) compare the result to the power required for isentropic compression from the same inlet state to the same final pressure.
Answers: 1
Physics, 22.06.2019 14:40, henryzx900
An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.
Answers: 1
Physics, 22.06.2019 20:30, jandrew2052
Avehicle accelerates from 0 to 30 m/s in 10 seconds on a straight road
Answers: 2
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