Physics
Physics, 29.09.2019 15:50, jalst6084

What types of energy does a ball rolling down a hill have?

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Physics, 19.07.2019 20:30, Michael845313
Asolid ball with mass m and radius r is rolling (without slipping) on a flat surface at 6 m/s. it then gets to a small smooth hill and rolls up 80 cm to the top and continues rolling on a flat surface. (a) explain why we are allowed to apply the conservation of energy to the ball although rolling requires friction. (b) use conservation of energy to find the velocity of the ball after it has passed the hill. (moment of inertia of a solid ball around its center of mass is 2 5 mr 2
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Physics, 30.08.2019 08:30, ciya12
(asap will rate and ) compare the potential energy of a 5 lb ball at the top of a 5 foot hill and a 5 lb ball at the top of a 10 foot hill a their potential energies are the same because they have the same mass. b the ball at the top of the 5 foot hill has the least potential energy. c the ball at the top of the 5 foot hill has the most potential energy. d potential energy doesn't depend on a object's relative height. 2: which of the following has the most potential energy (only 3 answer choices) a: a car at the top of a hilll b: a car speeding down a hill c: a person at the top of a hill
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Physics, 26.10.2019 11:43, Annsanchez5526
Based on the diagram of a ball rolling down hill, what statement is true? a) the ball in box c has less kinetic energy than the ball in box b. b) the ball in box a has more kinetic energy than the ball in box b. c) the ball in box c has more potential energy than the ball in box b. d) the ball in box c has less potential energy than the ball in box b.
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