Concept explainers
How much work must be done to stop a 925-kg car travelling at 95 km/h?
Work required to stop a car.
Answer to Problem 18P
Solution:
Explanation of Solution
Given:Mass of the car,
Velocity of electron,
Formula Used:
According to work energy theorem, work done by the force equal to change in kinetic energy of particle:
Here final kinetic energy is zero
Calculations:
Substitute this value in equation(1)
Work required to stop the car is
Conclusion:
Chapter 6 Solutions
Physics: Principles with Applications
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