Full Moon always occurs
a. on the 15th of ever month.
b. when the Moon is at right angles to the direction of the Sun.
c. when the Moon is closer to Sun than the Earth is.
d. when the Moon is directly opposite the position of the Sun.
D
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Capacitors in Combination: A 2.0-?F capacitor and a 4.0-?F capacitor are connected in series across an 8.0-V potential source. What is the charge on the 2.0-?F capacitor?
A. 2.0 ?C B. 4.0 ?C C. 12 ?C D. 11 ?C E. 25 ?C
Which seismic waves produce a wave shadow?
A) P-waves. B) Love waves. C) S-waves. D) P- and S- waves
What evidence tells us that the so-called "Martian meteorites" actually came from Mars?
A) Their chemical composition matches that of known Martian rocks. B) Their ages match the known age of Mars. C) Their color is the same as most Martian rocks. D) Their composition tells us they formed farther from the Sun than Earth.
Three solid, uniform, cylindrical flywheels, each of mass 65.0 kg and radius 1.47 m, rotate independently around a common axis through their centers
Two of the flywheels rotate in one direction at 8.94 rad/s, but the other one rotates in the opposite direction at 3.42 rad/s. Calculate the magnitude of the net angular momentum of the system. A) 1020 kg ? m2/s B) 1500 kg ? m2/s C) 975 kg ? m2/s D) 940 kg ? m2/s