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

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

Grade:11

1 Answers

Devang Falor
11 Points
9 years ago

The answer is 30s.

there is a formula for this type of questions - [(αβ)/2(α+β)] * t2 = s

where α = Maximum acceleration       t = time

         β = Maximum retardation        s = distance

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