Answer:
2⅓ m/s²
Step-by-step explanation:
Average acceleration is the change in velocity over change in time.
a = Δv / Δt
a = (13 m/s - 6 m/s) / 3s
a = 2⅓ m/s²
a ≈ 2.33 m/s²
9.5m questions
12.2m answers