Question

A car travels a distance of 100m with a constant acceleration and average velocity of 20 m/s. final velocity is 25m/s.find the initial velocityand acceleration of the car

Answer 1

s=100m
v=25m\s
average velocity=20m/s
Average velocity=u+v/2
20=u+25 /2
40=u+25
u=40-25=15m/s