A car of mass 800 𝑘𝑔 moves on a circular track of radius 40 𝑚. If the coefficient of friction is 0.5, then maximum velocity with which the car can move is

Question : A car of mass 800 𝑘𝑔 moves on a circular track of radius 40 𝑚. If the coefficient of friction is 0.5, then maximum velocity with which the car can move is

(A) 7 𝑚/𝑠

(B) 14 𝑚/𝑠

(C) 8 𝑚/𝑠

(D) 12 𝑚/s

Answer : option (B)

Solution :

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