A boy slides down a hill on a sled (total mass of 40 kg) and coasts onto a flat plain with a speed of 5.8 m/s. Friction between the sled and the snow exerts an average force of magnitude 27 N on the sled. How far (in m) does the sled travel before stopping?

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter5: Displacement And Force In Two Dimensions
Section: Chapter Questions
Problem 8STP
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A boy slides down a hill on a sled (total mass of 40 kg) and coasts onto a flat plain with a speed of 5.8 m/s. Friction between the sled and the snow exerts an average force of magnitude 27 N on the sled. How far (in m) does the sled travel before stopping? 

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GivenTotal mass (m) = 40 KgInitial velocity (U) = 5.8 m/sFinal velocity (V) = 0Force of friction (F) = -27 NHere negative sign shows that the force of friction is acting in the opposite direction of the motion

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