This curve shows the distribution of atomic speeds calculated from an experiment in which particles of gas are projected through an apparatus as shown on page 217 of your textbook. How would the distribution of speeds change if the temperature of the gas were increased?
a. The shape of the distribution would remain qualitatively the same, but would shift to the right.
b. Same as answer a., except that the shift is to the left.
c. The distribution is not affected by temperature.
d. The peak gets higher without shifting over while the height of other parts of the curve decreases.
e. The peak gets lower without shifting over while the height of other parts of the curve increases.
a
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In size, Mercury is intermediate between:
A) Earth and Venus. B) Mars and Earth. C) the Moon and Mars. D) Pluto and the Moon. E) Ceres and Pluto.
Neptune is an evening star, whereas Uranus is a morning star
Indicate whether the statement is true or false
Which has zero acceleration? An object
A) at rest. B) moving at constant velocity. C) in mechanical equilibrium. D) all of the above E) none of the above
A hypothetical star has a parallax of 0.05 arcseconds. How faraway is it?
a) 50 parsecs b) 10 parsecs c) 5 parsecs d) 0.05 parsecs e) 20 parsecs