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19 Conservation of Energy and Fluids

19 Conservation of Energy and Fluids - Where would it be...

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A giant, 1m 2 suction cup is stuck to the ceiling. About how many 100kg (220lb) people will it hold? a) 1 b) 2 c) 5 d) 10 e) 50 f) 100 g) 1000
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A container is filled with oil and fitted on both ends with pistons. The area of the left piston is 10 mm 2 ; that of the right piston 10,000 mm 2 . What force must be exerted on the left piston to keep the 10,000-N car on the right at the same height? 1. 10 N 2. 100 N 3. 10,000 N 4. 106 N 5. 108 N 6. insufficient information
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A cup is filled with water, then a playing card is places over its mouth and the cup is turned over. What happens? a) The card falls off and the water flows out. b) The card remains on, and the water dribbles out around the edges. c) The card remains on, and the water remains in the glass, even though it is upside- down.
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Your ears are sensitive to pressure. A 12ft tall tube, barely wide enough to stand in, is filled with water. Would you rather: a) go to the bottom of the tube? b) go to the bottom of a 12ft pool? c) Either one. It does not matter.
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Unformatted text preview: Where would it be easiest to drink with a straw? a) On top of Mt. Everest. b) In Death Valley. c) On the Moon. d) Location doesn’t matter. A scuba diver is observing the lake below. Rate the pressure the diver experiences at the points below (from least to greatest). A C D B Below is a closed pipe with water moving from left to right. Place the points shown in order according to velocity (from least to greatest). A B C D E F Below is a closed pipe with water moving from left to right. Place the points shown in order according to pressure (from least to greatest). A B C D E F The artery pictured below is bulging at point B and is clogged at point C. Rate the points in order according to the velocity of the blood (from least to greatest). A B C The artery pictured below is bulging at point B and is clogged at point C. Rate the points in order according to the pressure of the blood (from least to greatest). A B C...
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