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5 November, 11:36

A car starts from rest and accelerate at a constant rate. After the car has gone 50m it has a speed of 21 m/s. What is the acceleration of the car?

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  1. 5 November, 12:23
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    U=0, s=50m, v=21m/s, a=? v^2=0+2*a*50 21^2/100=a
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