The energy stored in a pile driver is an example of __________ energy
Fill in the blank(s) with correct word
gravitational potential
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Which of the following statements best describes the concept of entropy?
A) Energy has a tendency to disperse. B) Energy is neither created nor destroyed. C) The entropy of the universe is constantly decreasing. D) The energy released in a chemical reaction is the same as the difference in the energy of the bonds broken and formed. E) Energy has a tendency to remain in one place.
A magician can make a candle look as if it is burning under water by focusing light from a candle flame burning in air directly on top of an underwater candle. To do this you want to use a (Hint: eliminate those that cannot work.)
a. concave mirror farther than one focal length from the burning candle. b. a convex mirror farther than one focal length from the burning candle. c. a biconcave lens farther than one focal length from the burning candle. d. a concave mirror closer than one focal length to the burning candle. e. a convex lens closer than one focal length to the burning candle.
How do the size and chemical composition of a planet determine its internal temperature?
What will be an ideal response?
Orthoclase and plagioclase are the two main types of
a. silica. b. feldspars. c. calcite. d. sulfides.