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OpenStudy (anonymous):

[Momentum/coefficient restitution problem] A ball is dropped onto a fixed ramp inclined at θ=43.81 degrees, with respect to the horizonatal from a height of h=1.54m. g=9.8m/s². a) What must be the coefficient of restitution, e be for the ball/ramp collision for the ball to bounce off the ramp in a horizontal direction? b) What is the speed of the ball immediately after the impact in this case?

OpenStudy (anonymous):

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