A car is travelling at 15 m/s. If its velocity increases to 20 m/s in 5 s then find the acceleration of the car.

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Solution

Step 1: Given data:
Initial velocity, u = $15 m / s$ .
Final velocity, v = $20 m / s .$
Time interval, t = $5 s e c .$

Step 2: Calculation for the acceleration:
$A c c e l e r a t i o n = \frac{f i n a l v e l o c i t y (v) - i n i t i a l v e l o c i t y (u)}{t i m e i n t e r v a l (t)} A c c e l e r a t i o n = \frac{20 - 15}{5} = 1 m / s^{2} A c c e l e r a t i o n = 1 m / s^{2}$
hence, the acceleration of the car is $1 m / s^{2}$ .

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