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