What component is combined with the converging lens to construct a light microscope?
a. A focusing tool for the lens.
b. A second, diverging, lens.
c. A second, converging, lens.
d. A concave mirror.
e. A convex mirror.
c
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Kepler's Laws: It takes the planet Jupiter 12 years to orbit the sun once in a nearly circular orbit. Assuming that Jupiter's orbit is truly circular, what is the distance from Jupiter to the sun, given that the distance from the earth to the sun is 1.5 × 1011 m?
A. 3.9 × 1011 m B. 5.2 × 1011 m C. 7.9 × 1011 m D. 9.7 × 1011 m E. 3.2 × 1012 m
A rifle bullet is fired horizontally at the same instant another bullet is allowed to drop from rest at the same height. Which bullet strikes the earth first?
A. Both strike at the same instant B. The bullet allowed to drop C. The bullet from the rifle
A helicopter is traveling at 54 m/s at a constant altitude of 100 m over a level field. If a wheel falls off the helicopter, with what speed will it hit the ground? Note: g = 9.8 m/s2 and air resistance is negligible
a. 40 m/s c. 60 m/s b. 50 m/s d. 70 m/s
Almost all the meteors you see in the sky are produced by meteoroids that weigh _____
A) less than 0.1 grams B) less than 1 gram C) more than 10 grams D) more than 100 grams