# physics

A solid cylinder has a mass of M and radius R. If it rolls without slipping on a horizontal surface with a linear speed of v, how high will it roll up an incline of angle θ? Don’t worry about friction. The moment of inertia for a cylinder is (1/2)MR2. Express the vertical height in terms of the given variables M, R, v, θ and g (some might not be used).

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1. its initial KE = 1/2 Mv^2
all that has to go into PE, Mgh
so, gh = 1/2 v^2
and the distance rolled is h/sinθ, right?

See where that takes you.

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