Concept explainers
Calculate the increase in potential energy when a 20-kg block of ice is lifted a vertical distance of 2 m.
Increase in potential energy.
Answer to Problem 39A
Explanation of Solution
Given:
Mass of ice block,
Vertical displacement,
Formula Used:
The gravitational potential energy is given as,
Where,
Calculation:
The change in potential energy of the ice block is
Here,
Take
On substituting the given values,
Conclusion:
Therefore, the change in potential energy is
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Conceptual Physics: The High School Physics Program
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