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1. two identical bowling balls of mass m and radius r roll side by side at speed v0 along a flat surface. ball 1 encounters a ramp of angle θ that has a tacky surface and rolls up without slipping until it reaches a maximum height h1. ball 2 encounters a ramp of angle θ that has a frictionless surface which it ascends to a maximum height h2. what is the ratio of h1/h2 in terms of m, v0, θ, g, and r?
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