A) The balloon will fall because its density is greater than that of air.
B) The balloon will remain stationary because its density is less than that of air.
C) The balloon will rise because the upward buoyant force is greater than its weight.
D) The balloon will fall because the upward buoyant force is less than its weight.
E) The balloon will fall because the downward buoyant force is greater than the upward buoyant force.
G) A) and B)
Correct Answer
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Correct Answer
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A) In steady flow, streamlines must remain parallel and equally spaced.
B) In turbulent flow, two or more streamlines may cross.
C) In turbulent flow, streamlines can begin or end at any point.
D) Streamlines are perpendicular to the velocity of the fluid at every point.
E) In steady flow, the pattern of streamlines does not change with time.
G) B) and D)
Correct Answer
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Correct Answer
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A) 1.01 × 105 Pa
B) 3.26 × 105 Pa
C) 3.66 × 105 Pa
D) 6.44 × 105 Pa
E) 7.45 × 105 Pa
G) None of the above
Correct Answer
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Correct Answer
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A) 1.0 × 10-6 m3
B) 2.2 × 10-5 m3
C) 5.4 × 10-6 m3
D) 3.6 × 10-5 m3
E) 1.8 × 10-6 m3
G) B) and E)
Correct Answer
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Correct Answer
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A) 850 Pa
B) 750 Pa
C) 1100 Pa
D) 1000 Pa
E) 920 Pa
G) D) and E)
Correct Answer
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Correct Answer
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