Physics, 21.04.2021 17:10 chaseashley24
You are standing on a skateboard and your friend pushes you with a force of 120 N. If your mass is 40 kg and there is 40 N of air resistance acting on you, what will your acceleration in the x direction be? Neglect friction.
Answers: 1
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
Physics, 23.06.2019 22:30, S28462182
Alunar lander is making its descent to moon base i. the lander descends slowly under the retro-thrust of its descent engine. the engine is cut off when the lander is h = 5.5 m above the surface and has a downward speed of 0.8 m/s. with the engine off, the lander is in free fall. what is the speed of the lander just before it touches the surface? the acceleration due to gravity on the moon is 1.6 m/s2.
Answers: 2
You are standing on a skateboard and your friend pushes you with a force of 120 N. If your mass is 4...
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