■解答
① \(2mv\cos\theta\) ② \(\displaystyle\frac{2r\cos\theta}{v}\) ③ \(\displaystyle\frac{Nmv^2}{r}\)
④ \(\displaystyle\frac{Nmv^2}{4\pi r^3}\) ⑤ ウ ⑥ \(\displaystyle\frac{1}{3}Nmv^2\)
⑦ \(nRT\) ⑧ \(\displaystyle\frac{1}{2}Nmv^2\) ⑨ \(\sqrt{2}\)
⑩ \(\displaystyle\frac{3Nmv^2}{8\pi r^3}\) ⑪ \(\displaystyle\frac{Nmv^2}{2nR}\)
