Suppose the ski patrol lowers a rescue sled and victim,having a total mass of 90.0 kg, down a 60.0º slope atconstant speed, as shown in Figure 7.36. The coefficient offriction between the sled and the snow is 0.100. (a) Howmuch work is done by friction as the sled moves 30.0 m alongthe hill? (b) How much work is done by the rope on the sled inthis distance? (c) What is the work done by the gravitationalforce on the sled? (d) What is the total work done? having a total mass of 90.0 kg, down a 60.0° slope atconstant speed, as shown in Figure 7.36. The coefficient offriction between the sled and the snow is 0.100. (a) Howmuch work is done by friction as the sled moves 30.0 m alo.the hill? (b) How much work is done by the rope on the sledthis distance? (c) What is the work done by the gravitationalforce on the sled? (d) What is the total work done?T,W60Figure 7.36 A rescue sled and victim are lowered down a steep slope.7.2 Kinetic Energy and the Work-EnergyTheorem

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Description: Suppose the ski patrol lowers a rescue sled and victim,having a total mass of 90.0 kg, down a 60.0º slope atconstant speed, as shown in Figure 7.36. The coefficient offriction between the sled and the snow is 0.100. (a) Howmuch work is done by fricti

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University Physics Volume 1

18th Edition

ISBN:9781938168277

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

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

Chapter7: Work And Kinetic Energy

Section: Chapter Questions

Problem 54P: A 5.0-kg box has an acceleration of 2.0m/s2 when it is pulled by a horizontal force across a surface...

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Suppose the ski patrol lowers a rescue sled and victim,
having a total mass of 90.0 kg, down a 60.0º slope at
constant speed, as shown in Figure 7.36. The coefficient of
friction between the sled and the snow is 0.100. (a) How
much work is done by friction as the sled moves 30.0 m along
the hill? (b) How much work is done by the rope on the sled in
this distance? (c) What is the work done by the gravitational
force on the sled? (d) What is the total work done?

having a total mass of 90.0 kg, down a 60.0° slope at
constant speed, as shown in Figure 7.36. The coefficient of
friction between the sled and the snow is 0.100. (a) How
much work is done by friction as the sled moves 30.0 m alo.
the hill? (b) How much work is done by the rope on the sled
this distance? (c) What is the work done by the gravitational
force on the sled? (d) What is the total work done?
T,
W
60
Figure 7.36 A rescue sled and victim are lowered down a steep slope.
7.2 Kinetic Energy and the Work-Energy
Theorem

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