The Moon and Sun are approximately the same physical size
Indicate whether the statement is true or false
FALSE
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Why is it better to search for extrasolar planets directly using infrared (IR) rather than visible radiation?
A) the planet doesn't reflect any visible radiation, only IR radiation B) the star doesn't emit any IR radiation because it is too hot C) the visible light from planets will be blocked by interstellar dust along our line of sight while the IR radiation will not D) the planet emits more IR radiation than it reflects in the visible
What is the temperature of a system in thermal equilibrium with another system made up of water and steam at one atmosphere of pressure?
a. 0°F c. 0 K b. 273 K d. 100°C
A wheel rotating about a fixed axis with a constant angular acceleration of 2.0 rad/s2 turns through 2.4 revolutions during a 2.0-s time interval. What is the angular velocity at the end of this time interval?
a. 9.5 rad/s b. 9.7 rad/s c. 9.3 rad/s d. 9.1 rad/s e. 8.8 rad/s
A bimetallic strip is formed from two materials that have different __________
Fill in the blank(s) with correct word