From Kepler's ________ law, we conclude that Mars completes a full orbit much faster than Pluto.
A. First
B. Second
C. Third
D. Fourth
Answer: C
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Consider the two situations shown in the figure below, in which there is no acceleration. In both cases the men pull with a force of magnitude F. How does the reading on the scale in part (i) of the figure relate to the reading on the scale in part (ii)?
Double-Slit Interference: In a two-slit experiment using coherent light, the distance between the slits and the screen is 1.10 m, and the distance between the slits is 0.100 mm. If the first-order bright fringe is measured to be 3.40 cm from the centerline, what is the wavelength of the light?
A. 354 nm B. 241 nm C. 133 nm D. 3.09 ?m E. 2.11 ?m
If the work done to stretch a spring by 4.0 cm is 6.0 J, what is the spring constant?
A) 300 N/m B) 3000 N/m C) 3500 N/m D) 7500 N/m E) 6000 N/m
Four identical 4-mF capacitors are connected together electrically. What is the least possible capacitance of the combination?
a. 4 mF c. 1/8 mF b. 1 mF d. 1/4 mF