rms speed when a gas expands at constant pressure

1. A.
   $\frac{V}{2}$
2. B.
   $V\sqrt{2}$
3. C.
   $2V$
4. D.
   $4V$

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1. A.
   819 K, $\sqrt{3}\,u$ m/s
2. B.
   1092 K, $3u$ m/s
3. C.
   819 K, $\frac{u}{\sqrt{3}}$ m/s
4. D.
   1092 K, $\frac{u}{\sqrt{3}}$ m/s

Tap an option to check your answer.

1. A.
   $1092$ K , $3u$ m/s
2. B.
   $1092$ K , $\dfrac{u}{3}$ m/s
3. C.
   $819$ K , $\sqrt{3}\,u$ m/s
4. D.
   $819$ K , $\dfrac{u}{\sqrt{3}}$ m/s

Tap an option to check your answer.