Consider a car moving along a straight horizontal road with a speed of 72 km/h. If the coefficient of kinetic friction between the tyres and the road is 0.5, the shortest distance in which the car can be stopped is \[[g=10\,m{{s}^{-2}}]\] [CBSE PMT 1992]

• A.                         30 m               
• B.                         40 m            
• C.                         72 m               
• D.                         20 m