Physics, 04.06.2020 17:57 ghadeeraljelawy
Body 1 has a mass m, and its moving in a circle with a radius r at a speed v. It has a centripetal force. F acting on it. If body 2 has a mass 2m and its moving in a circle of radius 4r at a speed 4v, what is the centripetal force acting on it
Answers: 2
Physics, 21.06.2019 16:30, jinxjungkook3
Calculate the kinetic energy of earth due to its spinning about its axis. krot = j compare your answer with the kinetic energy of the orbital motion of earth's center of mass about the sun. assume earth to be a homogeneous sphere of mass 6.00 1024 kg and radius 6.40 106 m. the radius of earth's orbit is 1.50 1011 m.
Answers: 2
Physics, 22.06.2019 01:20, slimgemmx
An engineer designs a roller coaster so that a car travels horizontally for 152 ft, then climbs 137 ft at an angle of 34.0° above the horizontal. it then moves 137 ft at an angle of 48.0° below the horizontal. if we take the initial horizontal motion of the car to be along the +x-axis, what is the car's displacement? (give the magnitude of your answer, in ft, to at least four significant figures and give the direction of your answer in degrees counterclockwise from the +x-axis.)
Answers: 1
Physics, 22.06.2019 12:50, stephanie37766
Which changes would result in a decrease in the gravitational force btween two objects? check all that apply
Answers: 1
Body 1 has a mass m, and its moving in a circle with a radius r at a speed v. It has a centripetal f...
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