Concept explainers
(a)
The energy
(a)
Answer to Problem 49P
The energy needed is
Explanation of Solution
Given:
The given height of the lake is 135m above the turbines at a rate of
Formula used:
The potential energy formula is given by,
Calculation:
Substitute the values in the formula
Conclusion:
Therefore, the energy needed is
(b)
The average power output.
(b)
Answer to Problem 49P
The average of power output is
Explanation of Solution
Given:
The energy is released during
Formula used:
Efficiency is given as,
Calculation:
The average power output is,
Conclusion:
Therefore, the average of power output is
Chapter 15 Solutions
Physics: Principles with Applications
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