Physics for IGCSE & O level - Forces And Motion (Section 6 - No. 49)
What is the speed of a car in the car-accelerating scenario that has traveled 8.25m in 0.50s?
16.5 m/s
4.125 m/s
8.25 m/s
0.5 m/s
解释
Speed = distance / time ; Speed = 8.25m / 0.50s = 16.5m/s