Question

What is the acceleration of a car that goes from 22.0 km/h to 64.0 km/h in 9.4 seconds? (Answer to 1 decimal place)

Answer 1

22.0 km/h = 6.11 m/s
64 km/h = 17.8 m/s
a = (v(final) - v(initial))/time
a = (17.8 - 6.11)/9.4
a = 1.23 m/s = 4.43 km/h