Question

A car speeds from 65 m/s to 120 m/s in 9.0 s. the acceleration of the car is:

Answer 1

6.11 m/s²

Step-by-step explanation:

Acceleration a is defined as Δv/Δt

where
Δv = change in velocity

Δt = change in time

Here Δv = 120 - 65 = 55 m/s

Δt = 9 secs

So a = 55/9 = 6.11 m/s²