A vehicle moves in a straight line with an
acceleration of 7 km/h2.
By how much does the speed change each
second?
Answer in units of km/h.
Physics - 1D Acceleration
2009-10-05 1:39 pm
回答 (1)
2009-10-05 3:48 pm
✔ 最佳答案
As the acceleration is on a straight line, and it is 7 kmh-2Acceleration is defined as the rate of change of velocity.
And it is on a straight line, so velocity = speed in this case
Therefore, the change of speed per second = 7 kmh-2
參考: Physics king
收錄日期: 2021-04-19 15:59:26
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20091005000051KK00207