Physics, 28.11.2019 23:31, medellincolombia99
Ahorse of mass 242 kg pulls a cart of mass 224 kg. the acceleration of gravity is 9.8 m/s 2 . what is the largest acceleration the horse can give if the coefficient of static friction between the horse’s hooves and the road is 0.894? answer in units of m/s 2 .
Answers: 3
Physics, 22.06.2019 09:00, dxpebetty64
When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical
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Physics, 22.06.2019 14:30, sross8799
Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?
Answers: 2
Physics, 22.06.2019 17:50, manou76
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?
Answers: 1
Ahorse of mass 242 kg pulls a cart of mass 224 kg. the acceleration of gravity is 9.8 m/s 2 . what i...
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