Physics, 16.07.2019 01:20 vanessacox45
(3 points) two forces (f1x = 4.4 n; f1y = 2.1 n) and (f2x = 9.3 n; f2y = −3.8 n) act on an object of mass m = 9.4 kg. the mass is initially at rest. what is the kinetic energy of the mass after 2.6 s?
Answers: 2
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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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The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?
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Aswimming pool whose volume is 10 comma 000 gal contains water that is 0.01% chlorine. starting at tequals0, city water containing 0.003% chlorine is pumped into the pool at a rate of 5 gal/min. the pool water flows out at the same rate. what is the percentage of chlorine in the pool after 1 hour? when will the pool water be 0.006% chlorine?
Answers: 1
(3 points) two forces (f1x = 4.4 n; f1y = 2.1 n) and (f2x = 9.3 n; f2y = −3.8 n) act on an object of...
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