Problem 7: Rescue workers lower a sled and injured ice climber, with a combined mass of 95 kg, down a 60° slope at a constant speed as shown in the diagram. The coefficient of kinetic friction between the sled and the snow is 0.1. Suppose the sled is lowered 30 m along the hillside. a) How much work is done by friction as the sled/climber moves along the hill? b) How much work is done by the gravitational force as the sled/climber moves along the hill? c) How much work is done by the tension force in the rope as the sled/climber moves along the hill? d) What is the net work done on the sled/climber?

Problem 7: Rescue workers lower a sled and injured ice climber, with a combined mass of 95 kg, down a 60° slope at a constant speed as shown in the diagram. The coefficient of kinetic friction between the sled and the snow is 0.1. Suppose the sled is lowered 30 m along the hillside. a) How much work is done by friction as the sled/climber moves along the hill? b) How much work is done by the gravitational force as the sled/climber moves along the hill? c) How much work is done by the tension force in the rope as the sled/climber moves along the hill? d) What is the net work done on the sled/climber?

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Description: Problem 7: Rescue workers lower a sled and injured ice climber, with acombined mass of 95 kg, down a 60° slope at a constant speed asshown in the diagram. The coefficient of kinetic friction between the sledand the snow is 0.1. Suppose the sled is l

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter8: Potential Energy And Conservation Of Energy

Section: Chapter Questions

Problem 13CQ: “ E=K+Uconstant is a special case of the work energy theorem.” Discuss this statement.

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