What condition or conditions is/are necessary for static equilibrium?
A) ?Fy = 0
B) ?Fx = 0, ?Fy = 0
C) ?? = 0
D) ?Fx = 0
E) ?Fx = 0, ?Fy = 0, ?? = 0
E
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How was the rotation rate of Jupiter's core determined?
A) by observing the Great Red Spot B) by watching Io move across the disk of Jupiter C) by radio observations of Jupiter's rapidly spinning magnetosphere D) by observing the fastest moving regions of Jupiter's equator E) by measuring the oblateness of Jupiter's disk
If you load up a circuit in your home with too many devices, like lightbulbs or stereos, in ________, then you can overload the circuit and trip a circuit breaker or blow a fuse.
A. duplicate B. series C. parallel D. summer
Parallel-Plate Capacitor: The plates of a parallel-plate capacitor are maintained with constant voltage by a battery as they are pulled apart. What happens to the strength of the electric field between the plates during this process?
A. It increases. B. It decreases. C. It remains constant. D. It cannot be determined from the information given.
If there are other civilizations at present in the Milky Way Galaxy, which statement is almost undoubtedly true?
A) They are far more technologically advanced than we are. B) They are anatomically much like us, with two arms, two legs, two eyes, and two ears. C) They have social structures that are completely different from our own; for example, different types of "family" units, and so on. D) For fun, they enjoy "buzzing" to Earth and temporarily abducting people, showing a clear preference for people located in less-developed rural areas.