A 31-kg rock approaches the foot of a hill with a speed of 16.6m/s. The hill slopes upward at a constant angle of 40 degrees above the horizontal. The coefficients of static and kinetic friction between the hill and the rock are 0.75 and 0.25, respectively. Use energy conservation to find the maximum height above the foot of the hill reach by the rock.

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Chapter5: The Laws Of Motion
Section: Chapter Questions
Problem 5.61P: Review. A 3.00-kg block starts from rest at the top of a 30.0 incline and slides a distance of 2.00...
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A 31-kg rock approaches the foot of a hill with a speed of 16.6m/s. The hill slopes upward at a constant angle of 40 degrees above the horizontal. The coefficients of static and kinetic friction between the hill and the rock are 0.75 and 0.25, respectively. Use energy conservation to find the maximum height above the foot of the hill reach by the rock.

A 31-kg rock approaches the foot of a hill with a speed of 16.6m/s. The hill slopes upward at a constant angle of 40 degrees above
the horizontal. The coefficients of static and kinetic friction between the hill and the rock are 0.75 and 0.25, respectively. Use
energy conservation to find the maximum height above the foot of the hill reach by the rock.
Transcribed Image Text:A 31-kg rock approaches the foot of a hill with a speed of 16.6m/s. The hill slopes upward at a constant angle of 40 degrees above the horizontal. The coefficients of static and kinetic friction between the hill and the rock are 0.75 and 0.25, respectively. Use energy conservation to find the maximum height above the foot of the hill reach by the rock.
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