There are rings around
•
•(a) the terrestrial planets
•(b) the Jovian planets
b
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In a two-object inelastic collision, how are the final velocities of the objects related?
A. There is no relation. B. The larger mass has the larger velocity. C. The larger mass has the smaller velocity. D. They each have the same velocity.
You hit a handball too hard, and it lands horizontally on top of a roof. If its original velocity was vo at an angle ? above the horizontal, then it lands on the roof with a velocity of
A) vo sin ? B) 2vo C) vo cos ? D) zero E) vo
When a high-velocity beam of electrons is bent by a magnetic field, relativistic effects
A) increase momentum beyond its classical value. B) reduce the angle at which the beam is bent. C) both of these D) neither of these
The sloshing of electrons inside a generator needs
A) an outside source of energy. B) a copper lattice. C) positive ions. D) none of the above