The engine of motorcycle can produce a maximum acceleration 5 𝑚/𝑠2 . Its brakes can produce a maximum retardation 10 𝑚/𝑠 2 . What is the minimum time in which it can over a distance of 1.5 𝑘𝑚

Question : The engine of motorcycle can produce a maximum acceleration 5 𝑚/𝑠2 . Its brakes can produce a maximum retardation 10 𝑚/𝑠 2 . What is the minimum time in which it can over a distance of 1.5 𝑘𝑚

(A) 30 𝑠𝑒𝑐

(B) 15 𝑠𝑒𝑐

(C) 10 𝑠𝑒𝑐

(D) 5 𝑠𝑒𝑐

Answer : option (A)

Solution :

The engine of motorcycle can produce a maximum acceleration 5 𝑚/𝑠2 . Its brakes can produce a maximum retardation 10 𝑚/𝑠 2 . What is the minimum time in which it can over a distance of 1.5 𝑘𝑚
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