In a braking test, a vehicle travelling at 36 km ph was stopped at a braking distance of 8.0 m. The average value of the vehicle's skid resistance (friction coefficient) is

In a braking test, a vehicle travelling at 36 km ph was stopped at a b

1.	In a braking test, a vehicle travelling at 36 km ph was stopped at a braking distance of 8.0 m. The average value of the vehicle's skid resistance (friction coefficient) is
A.	0.64
B.	6.25
C.	0.16
D.	none of these
Answer» D. none of these