What would be the deBroglie wavelength for 1 gram moving at "escape speed" 25,000. mph?
What will be an ideal response?
6 × 10-35m
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According to general relativity, how is time affected by gravity?
A) Time is not affected by gravity. B) Time is affected by gravity, but not in a predictable way. C) Time is stopped by any gravitational field. D) Time runs faster in stronger gravitational fields. E) Time runs slower in stronger gravitational fields.
Due to the presence of ice crystals in nearly frozen liquid water, the density of water is
A) lower. B) unaffected. C) higher.
Why do jovian planets bulge around the equator, that is, have a "squashed" appearance?
A) They are much more massive than the terrestrial planets. B) Their large systems of moons and rings gravitationally attract the mass around the equator more. C) Their rapid rotation flings the mass near the equator outward. D) Their internal heat sources exert a pressure against the sides of the planets. E) all of the above
The semi major axis of an ellipse is
a. the ratio of the longest diameter of the ellipse to that of the shortest diameter of the ellipse. b. half the length of the shortest diameter of the ellipse. c. half the length of the longest diameter of the ellipse. d. the distance between the two foci of the ellipse. e. the ratio of the distance between the two foci to the length of half the longest diameter of the ellipse.