rms speed at a new temperature (rms speed proportional to the square root of T)

1. A.
   $499^\circ\text{C}$
2. B.
   $772^\circ\text{C}$
3. C.
   $1464^\circ\text{C}$
4. D.
   $1737^\circ\text{C}$

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1. A.
   twice
2. B.
   half
3. C.
   four times
4. D.
   one-fourth

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

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1. A.
   $357^\circ\text{C}$
2. B.
   $457^\circ\text{C}$
3. C.
   $547^\circ\text{C}$
4. D.
   $820^\circ\text{C}$

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1. A.
   same as at 200 K
2. B.
   twice the value at 200 K
3. C.
   four times the value at 200 K
4. D.
   half the value at 200 K

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

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

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