How far above the base of the cliff does happen

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Reference no: EM1363724

Q. A ball is dropped from the top of a 50 meter high cliff. At the same time, a carefully aimed stone is thrown straight up from the bottom of a cliff w/ a speed of 24 meter/sec. The stone and ball collide part way up. How far above the base of the cliff does this happen?

Q. A block is resting on a ramp as shown in the figure below. You can change the inclination angle by raising one end of the ramp. The block has a mass m = 7.5 kg. At the interface between the ramp and the block, the coefficient of static friction is s = 0.45, and the coefficient of kinetic friction is k = 0.315. What is the acceleration at the point where the block begins to slip.

Reference no: EM1363724

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