A) Truck will cover less distance before rest
B) Car will cover less distance before rest
C) Both will cover equal distance
D) None
Correct Answer: B
Solution :
Stopping distance \[=\frac{\text{Kinetic energy}}{\text{Retardins}\ \text{force}}=\frac{\frac{1}{2}m{{u}^{2}}}{F}\] If retarding force (F) and velocity (v) are equal then stopping distance µ m (mass of vehicle) As \[{{m}_{\text{car}}}<{{m}_{\text{truck}}}\] therefore car will cover less distance before coming to rest.
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