登入
Physics for IGCSE & O level - Forces And Motion (Section 6 - No. 18)
If an object moves 10 meters in 5 seconds, what is its speed?
0.5 m/s
2 m/s
15 m/s
50 m/s
解释
Speed = Distance/Time = 10m/5s = 2m/s.
评论 (0)
登录发表评论
广告
允许 javascript 正确加载此页面