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posted by latrice .
Hello, i need help.
This is WorkEnergy Theorum
A car moving at 50km/hr skids 15m with locked brakes. How far will the car skid (with locked brakes if the car moves at 100km/hr assume that the mass of the car is 500kg

Four times as far, 60 m. The mass does not matter. The kinetic energy was increased by a factor of 4. The skidding friction force stays the same.
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