A sample of an ideal gas is heated and its Kelvin temperature doubles. If the root-mean-square speed of its molecules was originally v, what is the new root-mean-square speed?
A) $4 v$
B) $v / \sqrt { 2 }$
C) $v \sqrt { 2 }$
D) $v / 4$
E) $2 v$

Question

A sample of an ideal gas is heated and its Kelvin temperature doubles. If the root-mean-square speed of its molecules was originally v, what is the new root-mean-square speed? 
A) $4 v$
B) $v / \sqrt { 2 }$
C) $v \sqrt { 2 }$
D) $v / 4$
E) $2 v$

Quizplus · Accepted Answer

The Answer is C

A Sample of an Ideal Gas Is Heated and Its 4v4 v4v

A Sample of an Ideal Gas Is Heated and Its $4 v$