Molecular Speeds: A sample of an ideal gas is heated and its Kelvin temperature doubles. If the root-mean-square speed of its molecules was originally v, what is the new root-mean-square speed?
A. 4v
B. 2v
C. v
D. v/
E. v/4
Answer: C
You might also like to view...
What are black dwarfs?
A) The lowest mass main sequence stars B) The end result of massive star evolution C) Objects that are not quite massive enough to be stars D) Pulsars that have slowed down and stopped spinning E) Cooled off white dwarfs that no longer glow visibly
A concave mirror always produces a real image of an object placed in front of it
Indicate whether the statement is true or false
For safety in climbing, a mountaineer uses a 50-m long nylon rope that is 1.0 cm in diameter. When supporting a 90-kg climber, the rope elongates 1.6 m. Find the Young's modulus for the rope material.
What will be an ideal response?
The oldest carbon isotope evidence of life indicates that life on Earth arose at least
A) 4.5 billion years ago. B) 3.95 billion years ago. C) 2 billion years ago. D) 542 million years ago. E) 65 million years ago.