h=1/2gt^2
t=根号(2h/g),负值舍去
代入后式:
v=gt=根号2gh
【欢迎追问,】把t=根号(2h/g),代入v=gt应该是v=g乘根号(2h/g) 怎么会是v=根号2gh呢还是有点不明白 不过还是要谢谢你g乘根号(2h/g)=根号(g*g*2h/g)=根号2gh
h=1/2gt^2,v=gt怎么联立得v=根号2gh
h=1/2gt^2,v=gt怎么联立得v=根号2gh
物理人气:463 ℃时间:2020-06-23 09:00:11
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