Question

2
A car driver driving at a speed of
90 km/h applied brakes and brings
the car to rest in 20 sec. The
acceleration of car is: *
(1 Point)​

Answer 1

Answer:

4.5 km/hsqr

Explanation:

v=0 km/h ,u=90 km/h. a=v-u/t 0- 90/20=-90/20. =4.5 km / h square