The most important idea in De Revolutionibus was placing the Sun at the center of the Universe
a. True
b. False
Indicate whether the statement is true or false
True
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Exhibit 12-1
The figure below shows a graph of angular velocity versus time for a woman bicycling around a circular track.
?
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Use this exhibit to answer the following question(s).
Refer to Exhibit 12-1. How many revolutions does she complete in the first 12 minutes?
A. 4 B. 8 C. 12 D. 16 E. 32
An astronomical unit is larger than a light-year
a. True b. False Indicate whether the statement is true or false
When we are lucky enough to see an extra-solar planet transit its star
A) It will cause the star to vanish for several hours. B) We can by the drop in light find the planet's size, mass, and density. C) We can determine what elements are in its atmosphere. D) We can determine its shape. E) We can be certain it is a terrestrial, not a jovian.
The speed of light in vacuum is
A. smaller than the speed of light in glass B. the same as the speed of light in glass C. greater than the speed of light in glass