A car is travelling with a speed of 108 kmh-1after brakes applied it c – InterviewSolution

1.

A car is travelling with a speed of 108 kmh-1after brakes applied it comes to rest in time of5 seconds then find acceleration of car ?

Answer»

Explanation:

108km/h×5/18=30m/s.

speed of brakes(in opposite direction)= 2.5m/s^2(meter per second square)

(i) Time TAKEN to STOP the car = 30m/s / 2.5m/s^2

=12 seconds.

(II) Distance travelled before STOPPING = 30×2.5

=75m.

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