The tidal streams mapped in the Halo are similar to ________ in our solar system
A) the asteroid belt between Mars and Jupiter
B) the moons orbiting planets
C) meteor swarms in old comet orbits
D) the solar wind
E) the rings around the jovians
C
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Two glass plates, each with an index of refraction of 1.55, are separated by a small distance D. The space between the plates is filled with water (n = 1.33) as shown. What is the minimum thickness of D that will cause the reflected light appear green? Note: The wavelength of green light is 460 nm in vacuum.
What is the base metal for superalloys that are used for the highest temperature applications?
(a) Nickel (b) Iron (c) Aluminum (d) Titanium
Friction: A bulldozer attempts to drag a log weighing 500 N along the rough horizontal ground. The cable attached to the log makes an angle of 30° above the ground. The coefficient of static friction between the log and the ground is 0.50, and the coefficient of kinetic friction is 0.35. What minimum tension is required in the cable in order for the log to begin to slide?
Fill in the blank(s) with the appropriate word(s).
________ has the lowest density of all the planets in the Solar System.
A. Saturn B. Mercury C. Jupiter D. Uranus E. Pluto