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quiz 1 D

# quiz 1 D - Exam Name MULTIPLE CHOICE Choose the one...

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Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A pump uses a piston of 15 cm diameter which moves 2 cm/s. What is the fluid velocity in a tube 0.3 cm in diameter, which is connected to the pump? Consider the fluid incompressible. A) 6 cm/s B) 50 cm/s C) 22 cm/s D) 50 m/s 1) 2) Which of the following is a WRONG statement. A) When an ice cube floating in a glass of water melts, the level of water in the glass remains the same. B) An ice cube with a piece of cork frozen into it is floating in a glass of water. When the ice melts the water level remains the same. C) An ice cube with a steel nut frozen into it is floating in a glass of water. When the ice melts the water level remains the same. D) When a barge filled with steel beams overturns in a lake, the water level in the lake falls. 2)

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