Physics, 03.03.2021 06:20 Sariyahhall1
a box that weighs 1000 newtons is lifted a distance of 20 meters straight up by a rope and pulley system. the work is done in 10 seconds. what amount of power is used in kilowatts
Answers: 3
Physics, 22.06.2019 11:30
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Two identical stars with mass m orbit around their center of mass. each orbit is circular and has radius r, so that the two stars are always on opposite sides of the circle. (a) find the gravitational force of one star on the other. (b) find the orbital speed of each star and the period of the orbit. (c) how much energy would be required to separate the two stars to infinity?
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a box that weighs 1000 newtons is lifted a distance of 20 meters straight up by a rope and pulley sy...
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