In Fig. 8-67, a small block is sent through point A with a speed of 7.0 m/s. Its path is
Chapter 8, Problem 86(choose chapter or problem)
In Fig. 8-67, a small block is sent through point A with a speed of 7.0 m/s. Its path is without friction until it reaches the section of length L 12 m, where the coefficient of kinetic friction is 0.70. The indicated heights are h1 6.0 m and h2 2.0 m. What are the speeds of the block at (a) point B and (b) point C? (c) Does the block reach point D? If so, what is its speed there; if not, how far through the section of friction does it travel? ABh1 C Dh2 LFigure 8-67 86.
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