Physics 2C Quizzes

Physics 2C Quizzes - Physics 2C Quiz 4A Name_ MULTIPLE...

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Physics 2C Quiz 4A Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A plant hangs from a 1cm diameter suction cup affixed to a smooth horizontal surface. What is the maximum weight that can be suspended in San Diego, where atmospheric pressure is about 100 kPa? A) 10N B) 20N C) 40N D) 80N E) limit depends only on the structural engineering of cup and building. 1) 2) A water tank is filled to a depth of 10m and the tank bottom is 20m above ground. What water pressure is present in a hose 2cm in diameter at ground level? The hose it attached on one end to the bottom of the tank. The density of water is 1000kg per cubic meter. A) 4e5 N per square meter. B) 9 N per square meter. C) 2e4 N per square meter. D) The cross sectional area of the tank is needed to solve this problem. 2) 3) Water at a pressure of 400 kPa is flowing at 1.5m/s through a pipe, when it encounters an obstruction where the pressure drops by 5%. What fraction of the pipe's area is obstructed?
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This note was uploaded on 12/25/2008 for the course PHYS 2c taught by Professor Wurthmeir during the Spring '05 term at UCSD.

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Physics 2C Quizzes - Physics 2C Quiz 4A Name_ MULTIPLE...

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