A car increases its speed from 54 km/h to 72 km/h in 5 seconds. Find its acceleration.
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Answer:
We know that Acceleration= ∆V/∆T i.e. change in velocity/change in time
Therefore,
initially the speed was 54km/hr and final speed is 72km/hr
So, a= final velocity- initial velocity/Change in time
=72-54/5-0
=18/5
= 3.6m/s².
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