What distinguishes work done by conservative versus nonconservative forces?
What will be an ideal response?
Work done by a conservative force is independent of the object's path and the work only depends upon the initial and final positions. Work done by nonconservative forces is path dependent.
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The most modern definition of element is
a. a substance that cannot be further separated by chemical methods. b. the simplest form of matter. c. a substance in which all the atoms have the same number of protons. d. a substance that contains no neutrons.
If the velocity profile in a boundary layer was approximated by the linear distribution u = Ay + B , the boundary condition(s) that the profile would be required to satisfy is (are):
(A) (1) and (2)
(B) (1) and (3)
(C) (2) and (3)
(D) (1), (2), and (4)
The fact that Venus' atmosphere contains carbon dioxide was discovered:
A) by the Magellan spacecraft. B) in early spectroscopic studies. C) by the Venera spacecraft. D) in radar studies. E) through CCD imagery.
What "technical fixes" might be used to reduce or eliminate the effects of warming?
What will be an ideal response?