Which moons are sometimes called the Galilean moons?
A) the moons orbiting Uranus, which was once named "planet Galileo"
B) the four largest moons of Jupiter: Io, Europa, Ganymede, and Callisto
C) the moons that orbit their planet "backward" compared to their planet's rotation, such as Neptune's moon Triton
D) the two largest moons in the solar system: Ganymede and Titan
B
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When Monkey Mo is suspended at rest by holding a rope with one hand and the side of his cage with the other, all the force vectors that act on him
A) have equal magnitudes. B) cancel except for his weight vector, mg. C) have a vector sum of zero.
A waterfall is 128 m high. What is the increase in water temperature at the bottom of the falls if all the initial potential energy goes into heating the water? (g = 9.8 m/s2, cw = 4 186 J/kg/°C)
a. 0.15°C b. 0.30°C c. 0.90°C d. 0.37°C e. 0.60°C
Tidal energy projects have no environmental drawbacks
What will be an ideal response?
Storing____________________ attributes requires constant maintenance.
a) multi-valued b) derived c) single-valued d) composite