When something is restricted to having only certain numerical values, it is said to be ________________
Fill in the blank(s) with correct word
quantized
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According to the theory of cosmic inflation, the large-scale clumping of matter (into stars, galaxies, etc.) that we observe in the universe had its origin in
A) the creation of dark matter, that exerted a repulsive force and pushed things together. B) the creation of dark energy, that exerted an inward force and pulled things together. C) thermal motion caused by the high temperature of the early universe. D) quantum nonlocality, that connected bits of energy that were originally separated. E) quantum uncertainties that were then stretched by the expansion of the universe.
Conservation of Momentum: A 14-cm diameter champagne bottle rests on its side on top of a frictionless horizontal table. Suddenly, the cork pops and the bottle slides backward, covering a distance of 22.0 cm in 0.44 s. If the mass of the bottle is 500 times the mass of the cork, find the distance from the original position that the cork will land on the table. Neglect air resistance and assume that the cork is very small compared to the bottle.
A. 3000 cm B. 60 m C. 85 m D. 8.5 cm
A straight bar magnet is initially 4 cm long, with the north pole on the right and the south pole on the left. If you cut the magnet in half, the right half will
A) contain only a north pole. B) contain a north pole on the right and a south pole on the left. C) contain only a south pole. D) no longer contain any poles.
Why does a drop in air pressure indicate the coming of cloudy weather and a rise in air pressure indicate clear weather?
What will be an ideal response?