It's going to be the same temperature as before but the volume is V plus dV now.
温度和之前一样，但现在体积是V+dV。
OK, so, if you know that uv prime equals u prime v plus uv prime, then you are safe.
如果你知道’=u’v，+，uv’,那么还好。
It's going to be the same temperature V+dV as before but the volume is V plus dV now.
将升温到跟路径1的结果一样,但是现在的体积是。
Normally I couldn't do that Vdp because this term would have p dV plus V dp, but we've specified the pressure is constant, so the dp part is zero.
一般情况下我不能这么写,因为这一项会包含pdV和，但是我们已经假定压强为常数，所以包含dp的部分等于零。
If now we want to know what f prime is, f v/c plus v over c times the cosine of theta.
若想知道f撇的大小，撇等于f乘以1，then，f，prime，equals，f，times，one,加上,乘以cosθ
Momentum is conserved, so I can m1*v1+ write down that m1 times v1 plus m2 - it is a completely inelastic collision-- *v times v prime.
动量守恒,可以写下2,这是完全-,非弹性碰撞。
Momentum is conserved, so I can m1*v1+ write down that m1 times v1 plus m2 - it is a completely inelastic collision-- *v times v prime.
动量守恒,可以写下2,这是完全-,非弹性碰撞。
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