Asked by Kirsten
A 1000kg car is traveling along a level road at 20.00ms, when the brakes are applied long enough to do 50000 J of work.
1) what is the initial kinetic energy of the car?
2) if the car moved 100m while the brakes where applied, what was the average force exerted on the brakes.
1) what is the initial kinetic energy of the car?
2) if the car moved 100m while the brakes where applied, what was the average force exerted on the brakes.
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