If jovian moons harbor life, this life is likely to resemble what terrestrial organisms?
A) Bacteria
B) Extremophiles
C) Dolphins
D) Moss
E) Dinosaurs
B
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A charged particle (mass = m, charge = q > 0) moves in a region of space where the magnetic field has a constant magnitude of B and a downward direction. What is the magnetic force on the particle at an instant when it is moving horizontally toward the north with speed v?
a. qvB toward the east b. Zero c. qvB toward the west d. qvB upward e. qvB toward the south
A pn-junction in an electronic circuit functions as a(n) _________.
Fill in the blank(s) with the appropriate word(s).
Shepherd moons were discovered because scientists hypothesized their existence after observing:
A) the Cassini Gap. B) the spiral density waves in the ring system. C) that the gaps are not empty space, but low density regions of material. D) the narrow F Ring. E) the backlit E Ring.
Two objects move toward each other due to gravity. As the objects get closer and closer, the acceleration of each
A) increases. B) decreases. C) is not affected.