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Physics

Heat

Easy

Question

$A n space H C l space m o l e c u l e space h a s space r o t a t i o n a l comma space t r a n s l a t i o n a l space a n d space v i b r a t i o n a l space m o t i o n s. space I f space t h e space r m s space v e l o c i t y space o f space H C l space m o l e c u l e s i n space i t s space g a s e o u s space p h a s e space i s space v with not stretchy bar on top space comma space m space i s space i t s space m a s s space a n d space straight k subscript straight B space i s space B o l t z m a n n space c o n s tan t comma space t h e n space i t s space t e m p e r a t u r e space w i l l space b e space$

$\frac{m {\bar{v}}^{2}}{7 k_{B}}$
$\frac{m {\bar{v}}^{2}}{6 k_{B}}$
$\frac{m {\bar{v}}^{2}}{5 k_{B}}$
$\frac{m {\bar{v}}^{2}}{3 k_{B}}$

The correct answer is: $fraction numerator m v with not stretchy bar on top squared over denominator 6 k subscript B end fraction$

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parallel

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