Question

In a car accelerates from rest with 2m/s² on a straight line path and then comes to rest after applying brakes. Total distance travelled by the car is 100m in 20seconds then the maximum velocity attained by the car is​

Answer 1

Answer:

20 m/s

Explanation:

v^2 = u^2 +2as

final velocity = 0

initial velocity be u

Acceleration = 2m/s^2

distance = 100m

0^2 = u^2 - 2*2*100

0 = u^2 - 400

400 = u^2

u = 20m/s