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Q. A 115 granite cube slides down a 35 frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 235 steel cube at rest.

How high above the table should the granite cube be released to give the steel cube speed of 160?

Q. A ball thrown vertically upward is caught by the thrower after 3s
(1) find the initial velocity of the ball
(2) find the maximum height it reaches

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Category:- Physics
Reference No.:- M9220378

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