Physics, 26.06.2020 15:01 sports1997
a child is playing in a park on rotating cylinder of radius, r, is set in rotation at an angular speed. The base of the cylinder is slowly moved away, leasing the child's suspended against the wall in a vertical position. What ia the minimum coefficient of friction between the child's clothing and wall is needed to prevent it from falling?
Answers: 2
Physics, 22.06.2019 11:00, kylieweeks052704
A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
Answers: 1
Physics, 22.06.2019 16:50, fsugg9168
Abird flies directly overhead from where you stand at an altitude of 300.0 m and at a speed horizontal to the ground of 20.0 m/s. the bird has a mass of 2.0 kg. the radius vector to the bird makes an angle \thetaθ with respect to the ground. the radius vector to the bird and its momentum vector lie in the xyxy-plane. what is the bird’s angular momentum about the point where you are standing?
Answers: 2
Physics, 22.06.2019 21:20, aniyahrhs1213
The strong nuclear force acts over a small distance than the electrostatic force. true or false
Answers: 2
a child is playing in a park on rotating cylinder of radius, r, is set in rotation at an angular spe...
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