2. A block moves past point A with a speed of 8 m/s along a smooth surface until it reaches a rough surface with length L = 20 m and a coefficient of kinetic friction of 0.8. If the height of hị = 8 m, and h2 = 3 m. Determine A. The speed of the block at point B B. The speed at point C C. Does it reach point D, if so what is the speed at point D, if not, how far is the rough surface over the block?
2. A block moves past point A with a speed of 8 m/s along a smooth surface until it reaches a rough surface with length L = 20 m and a coefficient of kinetic friction of 0.8. If the height of hị = 8 m, and h2 = 3 m. Determine A. The speed of the block at point B B. The speed at point C C. Does it reach point D, if so what is the speed at point D, if not, how far is the rough surface over the block?
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Please solve the subparts A,B,C thank u and no reject
Transcribed Image Text:2. A block moves past point A with a speed of 8 m/s along a smooth
surface until it reaches a rough surface with length L = 20 m and
a coefficient of kinetic friction of 0.8. If the height of hị = 8 m, and
h = 3 m. Determine
A. The speed of the block at point B
B. The speed at point C
C. Does it reach point D, if so what is the speed at point D, if not, how
far is the rough surface over the block?
-L
В
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