Unformatted text preview: What is the surFace area oF a planet whose radius is 4900 km? Answer in units oF lightyears 2 . 004 10.0 points A room is 16 . 8 Ft deep, 19 . 5 Ft wide and 7 Ft high. ±ind the volume oF this room. 1 inch = 2.54 cm. Answer in units oF m 3 . 005 (part 1 of 2) 10.0 points A structural I beam is made oF iron. A view oF its crosssection and dimensions is shown. 25 cm 29 cm 2 cm 2 cm What is the mass oF a section 1 . 86 m long? The density oF iron is 7560 kg / m 3 , the atomic weight oF iron is 55 . 85 g / mol and Avogadro’s number is 6 . 02214 × 10 23 atoms / mol. Answer in units oF kg. 006 (part 2 of 2) 10.0 points How many atoms are there in this section? Answer in units oF atoms....
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This note was uploaded on 03/22/2011 for the course PHYSICS 19101 taught by Professor Walschap,g during the Spring '11 term at The Petroleum Institute.
 Spring '11
 Walschap,G
 mechanics, Work

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