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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?

Respuesta :

u=0,s=50m, v=21m/s, a=? v^2=0+2*a*50 21^2/100=a

Answer:

4.4 m/s2

Explanation:

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