44. A gas is at 200 K. If we wish to double the root-mean-square speed of the molecules of the gas, to what value must we raise its temperature?
(A) 283 K
(B) 400 K
(C) 566 K
(D) 800 K
(E) 1130 K

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統計: A(0), B(0), C(0), D(1), E(0) #3853559