发布时间 ： 2021-01-28 01:49:33 UTC
类别 ： Classic physics
Page Views: 68 views
The average speed is an amount that describes the average speed of an object's motion. It roughly indicates how fast the object moves during a period of time.
Average speed formula
Average speed: va = 1⁄2 (v0 + v)
Initial speed: v0 = 2xva - v
Speed: v = 2xva - v0