dis21-fluid dynamics - C. 12,640 N 14.92 b): The pressure...

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An ideal fluid flows in the above arrangement of tubes. Rank the locations according to the pressure, greatest to least. A. 3, 2, 1 B. 3, 1, 2 C. 1, 2, 3 D. 1, 2=3 E. 1=3, 2
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Which weighs more, a kg of feathers or a kg of lead? The same. If you put the two items on sensitive scales which would have a higher reading? A. The lead scale B. The feather scale C. The same.
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Does Denver’s airport need longer runways than Detroit’s? A. No, it’s only the velocity difference between the air on the top and bottom of the wings that matters B. Yes, because the air pressure is lower in Denver C. Yes, because the air is less dense in Denver (though of course Denverites are denser than Michiganders)
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Discussion Problems Q14.17, Q14.29, E14.43, P14.87, P14.92, P14.97 Discussion Problems
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Q14.17: At a certain depth the absolute pressure is p . At twice that depth the absolute pressure is: A. Greater than 2 p B. Less than 2 p C. Equal to 2 p
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14.43: What is the net force from the air: A. 1300N B. 780 N
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Unformatted text preview: C. 12,640 N 14.92 b): The pressure difference between the portions is: A. 18 kPa B. 16.9 kPa C. 1.13 kPa 14.92 b): The height difference between the two columns of mercury, h , is: A. 13.7 cm B. 12.7 cm C. 17.1 cm 14.97 b): What is the reason for a maximum height H of the top of the siphon tube? A. There is no maximum height B. The absolute pressure at the top cannot be less than P ATM C. The absolute pressure cannot be less than zero. .-:D, I I,, F1 1c .4 VI-Wi-9 j3 & II S. 4 .. :L j 1 3 2 h : J _ d V ;c f-%. .. c-1----.) Lii z. 4-, ie Q rJ J JO , j;e; ;:-.--.3 oj C 3-A, I,, U I 4 4 J + 1 -I t f 3 I? \\ (1 1, (4 $ ) 2 ;::-5 A H ,%.-I 1 -. __%-r 4-4__ c__I ,--Th 7D r 1 S 3 3)-5-U L c C t 4-7 \1 Tht 4, if 4 7L) (3 1--U I 1 1-r...
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dis21-fluid dynamics - C. 12,640 N 14.92 b): The pressure...

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