Once a basketball player's feet are off the floor in making a jump, the jumper's acceleration
A) depends on launch speed.
B) is usually greater for taller players.
C) varies with body orientation.
D) is g; no more, no less.
E) all of the above
Answer: D
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Lenses can be used to focus sunlight to a small point to burn paper or dry brush. A person demonstrates this using their own eyeglasses as the lenses. From this you can tell that
A. the person is either near- or farsighted but not both. B. the person is farsighted. C. the person is both near- and farsighted. D. the person is nearsighted.
The noble metals are good electrical and _________conductors.
Fill in the blank(s) with the appropriate word(s).
Astronomers believe that the interior of Saturn's satellites is mostly ________.
A. iron B. rock C. hydrogen and helium D. ice
What do we mean when we say that a particle is weakly interacting?
A) It interacts with other particles only through the weakest force, gravity. B) It interacts only with other weak particles, such as neutrinos. C) It doesn't interact with any type of baryonic matter. D) It interacts with other particles only through the weak force. E) It interacts with other particles only through the weak force and the force of gravity.