As a balloon high in the atmosphere descends, it undergoes a decrease in
A) volume.
B) density.
C) weight.
D) mass.
E) none of the above
Correct Answer:
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Q36: Inside the same room, buoyant force is
Q37: A buoyant force acts on
A)gas-filled balloons.
B)you and
Q38: Archimedes' principle applies to
A)liquids.
B)gases.
C)fluids.
D)all of the above
Q39: The flight of a blimp best illustrates
A)Archimedes'
Q40: When a gas in a container is
Q42: The principle of continuity states that for
Q43: As a fluid gains speed, its internal
Q44: Airplane flight best illustrates
A)Archimedes' principle.
B)Pascal's principle.
C)Bernoulli's principle.
D)Boyle's
Q45: A car with closed windows makes a
Q46: Assuming no change in temperature, as a
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