Question

A bus increases its speed from 36km/h to 72km/h in 10 seconds . What is its acceleration?

Answer 1

your answer is 1m/s^-2

Answer 2

u = 36 km/h

v = 72 km/h

t = 10 s

Now,

at = v - u

10a = 72 - 36

10a = 36

a = 3.6 km/h²