By how much does the velocity of a car change in 5 second wh

问题描述:

By how much does the velocity of a car change in 5 second when accelerating at 4m/s2.一道英文的物理加速度题.
1个回答 分类:英语 2014-11-06

问题解答:

我来补答
一辆汽车以4m/s2的加速度5s之内变化多少
a= v1-v2/t
4= △v/5
速度的变化为20m/s
 
 
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