A car moving with a velocity of 10 𝑚/𝑠 can be stopped by the application of a constant force 𝐹 in a distance of 20 𝑚. If the velocity of the car is 30 𝑚/𝑠. It can be stopped by this force in

Question : A car moving with a velocity of 10 𝑚/𝑠 can be stopped by the application of a constant force 𝐹 in a distance of 20 𝑚. If the velocity of the car is 30 𝑚/𝑠. It can be stopped by this force in

(A) 20/3 𝑚

(B) 20𝑚

(C) 60𝑚

(D) 180𝑚

Answer : option (D)

Solution :

A car moving with a velocity of 10 𝑚/𝑠 can be stopped by the application of a constant force 𝐹 in a distance of 20 𝑚. If the velocity of the car is 30 𝑚/𝑠. It can be stopped by this force in
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