Question

A car moving 80 km/h accelerates to pass a truck. Five

seconds later the car is moving 100 km/h. What is the
acceleration of the car?

Answer 1

1.11 m/s²

Step-by-step explanation:

a = (Vf - Vi) / Δt = (100 km/hr - 80 km/hr) / 5 s = 4 km/hr / s

convert to km/hr to m/s:

4 km/hr x 1000 m/km x 1 hr/3600 s = 1.11 m/s

final answer:

1.11 m/s²