quiz4

quiz4 - 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 of a tube 3 mm in diameter? A) 50 cm/s B) 22 cm/s C) 50 m/s D) 6 cm/s 1) 2) A water tank is filled to a depth of 10 m and the tank is 20 m above ground. What water pressure is present in a hose 2 cm in diameter at ground level? The density of water is 1000kg/m 3 A) 3.9 x 10 5 N/m 2 B) 9.2 N/m 2 C) 2.0 x 10 4 N/m 2 D) The cross sectional area of the tank is needed. 2) 3) Water is pumped out of a well at 2.000 m/s through a 9.000-cm-diameter hose. The well is 30.00 ft deep. What power is needed by the pump? A) 3491 W B) 1141 W C) 116 W D) Area of the well is needed. 3) 4) How much would a lead brick 2.0 in x 2.0 in x 5.0 in weigh if placed in oil with density r = 0.92 g/cm 3 ? ( r Pb = 11.4g/cm 3 ) A) 3.7 kg B) 0.3 kg C) 3.4 kg D) 0.21 kg 4) 5) A 200.0-kg flat-bottomed boat floats in fresh water, which has a density of 1000.0 kg/m

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This test prep was uploaded on 04/20/2008 for the course PHYS 2c taught by Professor Wurthmeir during the Fall '05 term at UCSD.

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quiz4 - Exam Name_ MULTIPLE CHOICE. Choose the one...

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