To Calculate: The number of times that the rock can be rolled up.
Explanation of Solution
Given:
Mass of the rock,
Height of the hill,
Average power produced,
Time,
Formula Used:
Average power can be obtained by:
Here, W is the work done and t is the time.
Work done to move the rock up the hill can be obtained by:
Here, m is the mass, g is the acceleration due to gravity and h is the height.
Calculations:
Let the number of times for which rock is rolled in one hour be n .
Conclusion:
Thus, the number of times that the rock can be rolled up is 10.
Chapter 12 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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