What would prevent free convection at very low Grashof numbers in an enclosed space?
What will be an ideal response?
Free convection in an enclosed space is not effective if the fluid is stagnant or
does not move, either up or down. This only occurs with very low Grashof
numbers.
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Four coins, each with a Head and a Tail, are tossed randomly on to a table. The microstate is defined as the "number of Heads showing". The number of Heads can be, 0, 1, 2, 3, 4. What value for the "number of Heads showing" has the greatest number of microstates?
A. 0 B. 1 C. 2 D. 3 E. 4
Which of the following statements best describes Einstein's contributions and views about quantum theory?
A) He didn't make any significant contributions to the theory, but he did accept quantum theory. B) Despite his important work on relativity, Einstein didn't make any important contributions to quantum theory, and furthermore he never really accepted quantum theory. C) Although his work on the photoelectric effect was an important contribution to quantum theory, Einstein never really accepted quantum theory. D) Although his work on the quantum theory of atoms was an important contribution, Einstein never really accepted quantum theory. E) His work on the photoelectric effect was an important contribution to quantum theory, and he accepted the theory as a correct description of the microscopic world.
Name two ways the magnetic fields of Uranus and Neptune defy the normal behavior of planetary magnetic fields
What will be an ideal response?
At 50.0°C, the average translational kinetic energy of a gas molecule is K. If the temperature is now increased to 100.0°C, the average translational kinetic energy of a molecule will be closest to
A) 1.07K. B) 1.15K. C) 1.41K. D) 2.00K. E) 4.00K.