Question : An automobile travelling with a speed of 60 kmh−1, can brake to stop within a distance of 20 m. if the car is going twice as fast, 𝑖𝑒. , 120 kmh−1 , the stopping distance will be
(A) 20 m
(B) 40 m
(C) 60 m
(D) 80 m
Answer : option (D)
Solution :
