Question

a driver applies brakes and slows down the velocity of the bus from 80kmh to 60 kmh in 5 s and calculate the accelaration of the bus

Answer 1

Acceleration = V - U / t


= 80 - 60 / 5


= 20 / 5 = 4m/s^2 Ans.

Answer 2

a = v - u / t
60 - 80 / 5
= - 20/5
= -4