1. A block is resting at the left end of a 12 meter long ramp. The left end can be raised with a jacking system, while the right end remains on the level wooden surface. Coefficients of friction for the ramp are: Static 0.50, Kinetic 0.40. The left end of the ramp is raised just enough to cause the block to start to slide.
a) How high was it raised?
b) What is the speed of the block when it reaches the right end of the ramp?
c) Coefficient of kinetic friction on the wooden floor is 0.25. How far does the block slide on the floor?
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