force= mu*mg=.5*750*0.8 N
direction has to be opposite to the direction of travel, to stop it.
Coefficiant of friction between rubber tires and wet pavement is 0.50. brakes are applied to a 750kg car, intitally travelling at 30m/s and the car skids to a stop. What is the size and direction of the acceleration of the car.
2 answers
What is 0.8?
1 answer