The temperature of the Sun's interior is estimated to be about how many kelvins?
a. 1500
b. 15 million
c. 5 billion
d. 60,000
b
Physics & Space Science
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The buoyant force that keeps a ship afloat is an example of
a. Archimedes' principle. b. Pascal's principle. c. Bernoulli's principle. d. Torricelli's principle. e. none of these principles.
Physics & Space Science
Conduction: A window glass that is 0.5 cm thick has dimensions of 3 m by 1.5 m. The thermal conductivity of this glass is 0.8 W/m ? K. If the outside surface of the glass is at -10°C and the inside surface is at 20°C, how much heat flows through the window in every hour?
A. 50 MJ B. 60 MJ C. 70 MJ D. 80 MJ
Physics & Space Science
On the surface of which moon of Saturn are liquids observed to exist?
A) Enceladus B) Mimas C) Iapetus D) Titan
Physics & Space Science
What is the gauge pressure at a depth of 100 m. in water?
What will be an ideal response?
Physics & Space Science