A 100 kg skier starts from rest at the top of a ski slope that is 50 m long. If his final speed at the bottom of theslope is 10 m/s, where the bottom of the slope is 20 m below the top, what is the approximate average force offriction between the skis and the slope?20 m50 mO 300 NO 1500 N○ 600 N○ 750 NO 150 N

Answered: Image /qna-images/answer/86a82478-5fc1-439c-acb2-ee49620d01ed.jpg

Answered: A 100 kg skier starts from rest at the…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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KE = mv², Ug = mgh, Us=kx², E = KE + Ug + Us, E₁ = Ef, Wfric Ffried, Ffric = HkN, Et-Wfric = Ef Problem 1: In the Figure below a block slides along a path that is without friction until the block reaches the section of length L = 0.75 m, which begins at height h = 2 m on a ramp of angle 0 = 30°. In that section, the coefficient of kinetic friction is 0.40. The block passes through point A with a speed of 8 m/sec. What is the speed of the block at point B (where the friction ends)? Answer: 3.5 m/sec B/ 0
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A piece of ice (m = 1 Kg) slides down the slope of a roof inclined at 50.0°. It starts from rest and slides 8.0 m along the roof, sliding off the edge at a height of 4.0 m above the level ground. The coefficient of kinetic friction is 0.14. V¡ = 0.0 m/s m = 500.0 g 8,0 m Hx = 0.14 30° 4.0 m (a) Draw a free-body diagram of the ice as it is sliding along the roof. (b) Calculate the acceleration of the object. (c)With what speed does it leave the roof?

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