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A 1200kg car is traveling at 80 km/h and is towing a 200kg trailer. The coefficient of friction between the road and the tires is
A 1200kg car is traveling at 80 km/h and is towing a 200kg trailer. The coefficient of friction between the road and the tires is 0.80.
The car is breaking to a full stop. The trailer does not have brakes. Assume no vertical force on the trailer hitch.
- What is the energy dissipated by the brakes of the car?
- What is the shortest breaking distance?
The car accelerates again from full stop to 60 km/h in 9 seconds.
- What is the force acting upon the trailer hitch?
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