Question

a car acquires a velocity of 72 km per hour in 10 seconds the starting from rest .find a)acceleration b)average velocity c)the distance travelled in this time

Answer 1

u=0m/s
v=72km/h=15m/s
acceleration=v-u/t
=15/10=1.5m/s
distance= average speed × time
=15/2×10
= 75m