A car is travelling in the velocity of 20m/s.After 30 sec it covers a distance of 1200m.calculate the accelaration of the car and final velocity of the car.

Answer 1

at time t,

s = 20t + 1/2 a t^2
so, we can find a by solving

20*30 + 1/2 a * 30^2 = 1200
a = 4/3 m/s^2

v = 20 + at = 20 + 4/3 * 30 = 60 m/s