Which of the following phenomena is not commonly associated with the star-formation process?
A) intense ultraviolet radiation coming from a protostar
B) the formation of a spinning disk of material around a protostar
C) powerful "jets" shooting out along the rotation axis of a protostar
D) strong winds of particles blowing out into space from a protostar
A) intense ultraviolet radiation coming from a protostar
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The largest satellite orbiting a terrestrial planet is ____________________
Fill in the blank(s) with correct word
Double-Slit Interference: In a two-slit experiment, monochromatic coherent light of wavelength 600 nm passes through a pair of slits separated by 2.20 × 10-5 m. At what angle away from the centerline does the first bright fringe occur?
A. 1.56° B. 2.22° C. 3.12° D. 4.70° E. 6.24°
Observer A is 3.0 m from a tiny light bulb and observer B is 12.0 m from the same bulb. Assume that the light spreads out uniformly and undergoes no significant reflections or absorption
If observer B sees a light of intensity I, the light intensity that A sees is A) I. B) 9I. C) 16I. D) 36I. E) 144I.
Danny Diver weighs 500 N and steps off a diving board 10 m above the water. Danny hits the water with kinetic energy of
A) 10 J. B) 500 J. C) 510 J. D) 5000 J. E) more than 5000 J.