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Unformatted text preview: lightyears 2 . 004 (part 1 oF 1) 20 points A room is 14 . 9 Ft deep, 17 . 8 Ft wide and 6 . 73 Ft high. Express the volume oF this room in cubic meters. You will need 1 inch = 2 . 54 cm. Answer in units oF m 3 . 005 (part 1 oF 2) 10 points A structural I beam is made oF iron. A view oF its crosssection and its dimensions is shown in the fgure, where d = 3 cm, w = 30 cm, h = 26 cm and the length (not shown) oF the beam is ‘ = 2 . 07 m. The density oF iron is 7560 kg / m 3 . The atomic weight oF iron is 55.85 g/mol and Avogadro number is N A = 6 . 02214 × 10 23 / mol. 30 cm 26 cm 3 cm 3 cm What is the mass oF a section 2 . 07 m long? Answer in units oF kg. 006 (part 2 oF 2) 10 points How many atoms are there in this section? Answer in units oF atoms....
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 Spring '09
 NAJAFZADEH
 mechanics, Work

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