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A 69.0-kg skier coasts up a snow-covered hill that makes an angle of 29.9∘ with the horizontal. The initial speed of the skier is 8.56 m/s. After coasting a distance of 2.24 m up the slope, the speed of the skier is 3.16 m/s. (a) Find the work done by the kinetic frictional force that acts on the skis. (b) What is the magnitude of the kinetic frictional force? (a) Number Units (b) Number Units

A 69.0-kg skier coasts up a snow-covered hill that makes an angle of 29.9∘ with the horizontal. The initial speed of the skier is 8.56 m/s. After coasting a distance of 2.24 m up the slope, the speed of the skier is 3.16 m/s. (a) Find the work done by the kinetic frictional force that acts on the skis. (b) What is the magnitude of the kinetic frictional force? (a) Number Units (b) Number Units

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A 69.0-kg skier coasts up a snow-covered hill that makes an angle of 29.9 ∘ with the horizontal. The initial speed of the skier is 8.56 m / s . After coasting a distance of 2.24 m up the slope, the speed of the skier is 3.16 m / s . (a) Find the work done by the kinetic frictional force that acts on the skis. (b) What is the magnitude of the kinetic frictional force? (a) Number ◻ Units ◻ (b) Number i ! Units ◻

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