OH-01-problems - What is the surFace area oF a planet whose...

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mohammed (omm269) – OH-01 – bradley – (19101) 1 This print-out should have 6 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. This is Online Homework No. 1 (OH-01). All answers should be submitted online be- Fore 2300 on Thursday 3 ±eb (UAE time). Computers and network connections can give trouble, so do not wait until the last minute! 001 10.0 points Convert 65 . 3 mi / h to m/s. 1 mi = 1609 m. Answer in units oF m / s. 002 10.0 points Suppose your hair grows at the rate oF 1 34 inch per day. ±ind the rate at which it grows in nanome- ters per second. Answer in units oF nm / s. 003 10.0 points A light year is the unit oF distance that light, with a speed oF 2 . 99792 × 10 8 m / s, travels in one year.
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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 cross-section 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.

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