Concept explainers
The average power delivered by the engine.
Answer to Problem 65P
Solution:
Change in kinetic energy of car due to energy supplied by engine hence power of engine
Explanation of Solution
Given:
Mass of sports car
Initial speed
Final speed
Time taken
Formula used:
Work energy principle
The net work done on an object is equal to change in the object’s kinetic energy
Power
Calculation:
This energy is supplied by engine, so
Power of engine
Conclusion: Hence, the average power of engine
Chapter 6 Solutions
Physics: Principles with Applications
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