If a force on an object is aimed opposite the direction of the object's velocity, the force does
a. no work. b. positive work.
c. negative work. d. any of the above.
c
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Current observations indicate that the amount of baryonic matter and dark matter in the universe
a. is sufficient great enough to overcome the expansion of the universe. b. implies that the universe is closed. c. is mostly in the form of black holes and quasars. d. are roughly equal. e. implies that the universe is open.
The Hubble Space Telescope objective mirror is not affected by
a. bad seeing. b. chromatic aberration. c. diffraction. d. chromatic aberration and diffraction. e. bad seeing and chromatic aberration.
Answer the following statement(s) true (T) or false (F)
1. Ignoring spin, the possible energies of a quanton moving in one dimension are only quantized if the quanton is bound.
How do many of the jovian-type extrasolar planets seem to defy portions of the solar nebula theory? How can this perhaps be reconciled?
What will be an ideal response?