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Suppose the ski patrol lowers a rescue sled and victim,
Chapter 7, Problem 8(choose chapter or problem)
Suppose the ski patrol lowers a rescue sled and victim, having a total mass of \(90.0 \mathrm{~kg}\), down a \(60.0^{\circ}\) slope at constant speed, as shown in Figure \(7.37\). 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 \(30.0 \mathrm{~m}\) 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?
Figure \(7.37\) A rescue sled and victim are lowered down a steep slope.
Equation Transcription:
Text Transcription:
90.0 kg
60.0 degrees
7.37
0.100
30.0 m
Questions & Answers
QUESTION:
Suppose the ski patrol lowers a rescue sled and victim, having a total mass of \(90.0 \mathrm{~kg}\), down a \(60.0^{\circ}\) slope at constant speed, as shown in Figure \(7.37\). 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 \(30.0 \mathrm{~m}\) 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?
Figure \(7.37\) A rescue sled and victim are lowered down a steep slope.
Equation Transcription:
Text Transcription:
90.0 kg
60.0 degrees
7.37
0.100
30.0 m
ANSWER:
Solution
Step 1 of 6
The sled and victim, having a total mass of ,coming downward at
slope at a constant speed is shown in the figure below.