What is the most abundant gas in Titan's atmosphere?
A) methane
B) nitrogen
C) hydrogen compounds
D) oxygen
E) argon
B) nitrogen
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Specific Heat: On his honeymoon, James Joule attempted to explore the relationships between various forms of energy by measuring the rise of temperature of water which had fallen down a waterfall on Mount Blanc. What maximum temperature rise would one expect for a waterfall with a vertical drop of 20 m? The specific heat of water is 4186 J/kg ? K.
A. 0.047 C° B. 0.053 C° C. 0.064 C° D. 0.071 C°
What happens to the visible light radiated by stars located within a dusty gas cloud?
A) It is blocked by dust and its energy is thereby lost. B) It is absorbed by dust, which heats the dust grains so that they emit the absorbed energy as infrared light. C) It is reflected by dust back to the star from whence it came. D) It passes through the cloud unaffected.
A pickup truck moves at 25 m/s toward the east. Ahmed is standing in the back and throws a baseball in what to him is the southwest direction at 28 m/s (with respect to the truck)
A person at rest on the ground would see the ball moving how fast in what direction?
You can increase the internal energy of a gas by heating it or by compressing it
Indicate whether the statement is true or false