Now I'm going to swing you faster, so the v will go up and so the centripetal acceleration will go up.
如果此时,我想让你转得更快,即v更大,那么向心加速度也会随之增大。
John Silvia is the senior economist at Wells Fargo Bank: "Private payroll gains continue to be modest and I would say it does raise flags for those super optimists who were looking for a V-shaped recovery and thinking that we are going to go back to normal very quickly in the US.economy."
VOA: standard.2010.07.02
Minus p, right? But in fact, if you go back to the van der Waal's equation of state b here's RT over v minus b.
再减去p,对吗,但是实际上,如果你代回范德瓦尔斯气体的状态方程,这里是RT除以摩尔体积减去。
There's the IV chord and there's So you sing this nice and loud for me, please.There's the tonic.Ready,go.
然后出现了IV级和弦,紧接着是V级和弦,又回到I级和弦,你们大声地把这一段唱给我听,这个是主音,预备,唱。
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