EXAM REVIEW WORK POWER ENERGY

EXAM REVIEW WORK POWER ENERGY - EXAM REVIEW FLUID MECHANICS...

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Unformatted text preview: EXAM REVIEW FLUID MECHANICS 1) The average density of a typical iceberg is 0.86 that of sea water. What fraction of an icebergs volume is submerged? 2) Noah is playing with a small boat in the bathtub. The boat has a mass M kg = 0 22 . and a volume V m = 00011 3 . . Noah has several lead weights each with a mass m kg = 0 028 . . How many lead weights could Noah place in the boat before it sinks? Assume that the density of water is water kg m = 1000 3 . 3) Suppose that you are drinking a can of Coke Coke kg m = 1040 3 using a straw. When you suck on the straw, the gauge pressure inside your mouth and lungs is 1200 Pa . How high is the coke drawn up into the straw? 4) If the radius of the heel on a high heeled shoe is 6 0 10 3 . - m , find the pressure applied to the floor under the heel by a 50 kg person standing on one leg. 5) Using Pascals principle, find the radius of a piston that supports a rock with a mass of 2000 kg when an external force of 100 N is applied to a piston of radius 2 cm . WORK, POWER & ENERGY 1) A 60 kg runner has 1920 J of kinetic energy. At what speed is she running?...
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This note was uploaded on 07/27/2010 for the course MATH MATH 1025 taught by Professor Tanny during the Spring '09 term at York University.

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EXAM REVIEW WORK POWER ENERGY - EXAM REVIEW FLUID MECHANICS...

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