Physics, 01.08.2019 00:10 winterblanco
Aball of mass m is released at the top edge of a frictionless half-pipe with a radius of curvature r. at the bottom of the pipe, the ball is moving with a speed v. what is the normal force acting on the ball at this point?
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Physics, 22.06.2019 10:30
Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.
Answers: 1
Physics, 22.06.2019 13:00
The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot
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Physics, 23.06.2019 00:30
Language is not the only way that humans communicate. describe how we use sound, touch, chemicals, and sight to communicate. need answer asap
Answers: 2
Aball of mass m is released at the top edge of a frictionless half-pipe with a radius of curvature r...
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