Discoveries force theory revisions: The discovery of "hot Jupiters" forced scientists to revise the nebular theory of solar system formation
Think of a hypothetical discovery that would force further revisions of the theory of planet formation, and explain why this observation would contradict the theory.
but might include ideas such as: discovery of terrestrial planets around a star with very low amounts of elements more massive than hydrogen and helium would challenge the idea that stars and planets form from the same initial material; discovery of a massive planet in an undisturbed disk of material around a young star would challenge the idea that "hot Jupiters" are the result of migration caused by the planet creating gaps in the disk
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The energy source at the center of our galaxy
a. is not visible at optical wavelengths. b. produces X-rays. c. must be less than 10 AU in diameter. d. all of the above e. none of the above.
You see colors in a rainbow because of __________
Fill in the blank(s) with correct word
Equal-wavelength waves of amplitude 0.27 m and 0.13 m interfere with one another. What is the resulting minimum amplitude that can result?
a. 0.13 m b. 0.14 m c. 0 m d. ?0.40 m e. 0.20 m
At t = 0 the switch S is closed with the capacitor uncharged. If C = 30 ?F, ? = 30 V, and R = 5.0 k?, at what rate is energy being stored in the capacitor when I = 2.0 mA?
a.
32 mW
b.
40 mW
c.
44 mW
d.
36 mW
e.
80 mW