To double the light-gathering power of a telescope, we need to double the diameter.
Answer the following statement true (T) or false (F)
False
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An irreversible engine operating between the temperatures of 550 K and 300 K extracts 1200 J of heat from the hot reservoir and produces 450 J of work. How much entropy is created in the process?
A) 0.32 J/K B) 0.68 J/K C) 0.44 J/K D) 0.73 J/K E) 0 J/K
The jovian planets in our solar system are ________
A) Jupiter, Saturn, Uranus, and Neptune B) Mercury, Venus, Earth, and Mars C) Io, Europa, Ganymede, and Callisto D) Pluto and Eris
You can hear sound through an open window from sources that are not in your line of sight because of diffraction
Indicate whether the statement is true or false
At what speed, relative to the frame of the observer making the measurement, is the length of a meter stick 0.60 m?
A) 0.80c B) 0.60c C) 0.50c D) 0.70c E) 0.90c