Question

A car driver driving at a speed of 90kmph applies brakes and brings the car to rest in 20 s. The acceleration of
the car is ​

Answer 1

Answer:

a = -1.25m/s^2

Explanation:

v = u+at

v = 0

u = 90km/h = 25m/s

t  = 20s

a = ?

0 = 25+20a

-25 = 20a

-25/20 = a

a = -1.25m/s^2