Question

a car starting from rest picks up a velocity of of 72km/ hr in 11.5 sec. what is acceleration of the car in m/s ²​

Answer 1

Explanation:

u=0m/s

Velocity in m/s=72*5/18=20m/s

time=11.5 sec

a=v-u/t

a=20-0/11.5

a=20/11.5

a=1.73m/s²