Question

A driver of car travelling along a straight road with a speed of 72Kilometre per hour observe the signboard which shows the speed limit to be 54 km/h. The signboard is 70 m and when the driver applied the brakes Calculate the acceleration of the car which will cause the car to pass the signboard at the stated speed limit. Also calculate the time taken to Cover the distance of 70 m.

Answer 1

Answer:

Acceleration = -1.25 m/s^2 Time taken = 4 second