Question

a car initially at rest picks up a velocity of 72km/h over a distance of 25m. Calculate acceleration of car​

Answer 1

Explanation:

u= 0 km/h = 0×5/18=0 m/s

v=72 km/h = 72 × 5/18= 20 m/s

d=25 m

a=v-u/t

=v-u/v×d

=20 - 0/ 20 × 25

= 1/25

= 0.4 m/s^2