While Galileo saw Saturn as a changing oval, the real nature of the rings was discovered by:
A) Halley.
B) Newton.
C) Lowell.
D) Huygens.
E) Cassini.
D
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Answer the following statement(s) true (T) or false (F)
All irreversible processes involve 1. macroscopic objects, 2.transfers to an object’s thermal energy, T or F? (One or both answers may be debatable!)
Compared to the mass of an apple on Earth, the mass of the apple on the Moon is
A) one sixth as much. B) the same. C) six times as much. D) zero.
Life jackets help you float because
A) the jacket causes you to weigh less. B) the jacket has the same density as an average human. C) the jacket repels water. D) if you sink, the jacket sinks. E) the combined density of you and the jacket is less than your density alone.
The measure of how hot or cold something is compared to a freezing point is referred to as the