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Unformatted text preview: markowitz (am45362) – HW01 – distler – (56295) 1 This printout should have 22 questions. Multiplechoice questions may continue on the next column or page – find all choices before answering. 001 (part 1 of 4) 10.0 points One cubic centimeter ( 1 cm 3 ) of water has a mass of 0 . 001 kg at 25 ◦ C. Find the mass of 2 . 85 m 3 of water. Answer in units of kg 002 (part 2 of 4) 10.0 points Assume biological substances are 95 . 1% wa ter. Estimate the mass of a cell assuming it to be spherical with a diameter of 1 . 74 μ m. The volume of a sphere is 4 3 π r 3 . Answer in units of kg 003 (part 3 of 4) 10.0 points Estimate the mass of a human kidney if it is roughly a sphere with a radius of 4 . 01 cm. Answer in units of kg 004 (part 4 of 4) 10.0 points Estimate the mass of a fly, roughly a cylinder 4 . 42 mm long and 1 . 71 mm in diameter. The volume of a cylinder is π r 2 ℓ . Answer in units of kg 005 (part 1 of 4) 10.0 points How many significant figures are in 65 . 8 ± . 3 m?...
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This note was uploaded on 09/19/2011 for the course PHY 302K taught by Professor Kaplunovsky during the Fall '08 term at University of Texas.
 Fall '08
 Kaplunovsky

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