In Figure, 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 h 1 6 0 m and h 2 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 1 B

Question: In Figure, 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

In Figure, 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?

1 B

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a At B the speed is from Eq 817 v2gh 70 ms 298 ms 60 m 13 ms V a Here what ma... View full answer

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