Question

Suppose that the coefficient of kinetic friction of the rubber of a car tire and the street is Uk = 0.8. What is the deceleration of the car on a flat street if the driver brakes sharply, so all the wheels are locked and skidding?

Answer 1

F=ma
a=F/m
=μk*mg/m
=μk*g
=0.8*9.8 m/s²
= ...