List the three types of binary stars
What will be an ideal response?
visual binary, spectroscopic binary, eclipsing binary
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The surface temperature of Venus is 750K, even hotter than Mercury
Indicate whether the statement is true or false
Adams and Leverrier predicted the position of ________, which Galle confirmed
A) Jupiter B) Pluto C) Neptune D) Saturn E) Uranus
An object is dropped from a height. Once it is moving, which of the following statements is true, at least at one point?
a. Its velocity is more than its acceleration. b. Its velocity is less than its acceleration. c. Its velocity is the same as its acceleration. d. Its velocity is never equal to its acceleration.
Carnot Engine: A heat engine having the maximum possible efficiency has an efficiency of 35.0% when operating between two heat reservoirs. If the temperature of the hot reservoir is 700 K, what is the temperature of the cold reservoir?
A. 200 K B. 245 K C. 350 K D. 455 K E. 600 K