Question

h) A car moves with an initial velocity of 20km.h-1 and accelerates and attains a
velocity of 40km.h-1 in 4 hours. It then travels at this speed for 3 more hours and
is then brought to rest in 2 hours. Calculate:
i) Acceleration
ii) Distance travelled in the first 4 hours
iii) average velocity of the car.

Answer 1

Explanation:

use formula

V= U +AT

S=UT +1/2AT^2