Physics for IGCSE & O level - Forces And Motion (Section 7 - No. 17)
If a car's velocity increases from 0 m/s to 12 m/s in 4 seconds, what is its average acceleration?
3 m/s²
16 m/s²
48 m/s²
12 m/s²
설명
Average acceleration = (12 m/s - 0 m/s) / 4 s = 3 m/s².