Question

help me plzz its urgent​

Answer 1

Answer:

5m/s^2

Explanation:

72Km/h= 20m/sec

90Km/h = 25 m/sec

Acceleration =

$\frac{change \: in \: velocity}{time}$

So acceleration =

$\frac{25 - 20}{1} = 5m {sec}^{ - 2}$

Hope you understand it