Question

A block is dropped from a sloping roof according to the figure above, and then hits the ground 3.00 m from the house wall. The block has no speed when it is released. Consider the block as a point mass in yours calculations. The kinetic and static coefficient of friction between the roof and the block is 0.50.

a) Draw a layout diagram of the block as it slides on the roof.

b) How far from the edge of the roof (distance d in the figure) the block must be released for it to land 3.00 m from the house wall? Assume that there is no friction between the roof and the block.

c) How much time does it take from the block being released (according to the result from b) and that it hits the ground?

d) Explain in words what happens if the kinetic and static coefficients of friction are equal to 1.00.​

Answer 1

Answer:

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