Friction             

 

A car skids a distance of 50 m on a dry road. What is the velocity of the car when the skid begins if the coefficient of friction between the tires and the road is 0.4?

a)    16 m/s

b)    20 m/s

c)     24 m/s

d)    30 m/s

e)     Velocity cannot be determined with the information given.