Questions 7-8: A car of mass m slides across a patch of ice at a speed v with its brakes locked. It the hits dry pavement and skids to a stop in a distance d . The coefficient of kinetic friction between the tires and the dry road is μ.
8. If the car has a speed of 2 v , it would have skidded a distance of
(A) d
(B) 1.41 d
(C) 2 d
(D) 4 d
(A) d
(B) 1.41 d
(C) 2 d
(D) 4 d