In order to double the average speed of the molecules in a given sample of gas, the temperature (measured in Kelvins) must
A) quadruple.
B) reduce to one-fourth its original value.
C) triple.
D) double.
E) reduce to one-half its original value.
A
Physics & Space Science
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Indicate whether the statement is true or false
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What will be an ideal response?
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In electron diffraction, an electron moving at speed v << c acts like
a. a particle with momentum mv. b. a particle with position coordinate v/t. c. a wave with wavelength v/t. d. a wave with wavelength h/mv. e. both a particle with position coordinate v/t and a wave with wavelength v/t.
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A battery is rated at 12 V and 160 A-h. How much energy does the battery store?
A) 1.9 kJ B) 3.2 kJ C) 6.0 kJ D) 1.9 MJ E) 6.9 MJ
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