Question

If the velocity a car moving with uniform velocity changes from 20 m/s to 40 m/s in 5 s. What is the acceleration of the car? ​

Answer 1

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Here ,

u= 20 m/s

v= 40 m/s

t= 5s

$a = \frac{v - u}{t} = \frac{40 - 20}{5} = \frac{20}{5}$

$= = > 4ms {}^{2}$