Homework 1 Sol. - Abd Elhai, Mohamed – Homework 1 –...

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Unformatted text preview: Abd Elhai, Mohamed – Homework 1 – Due: Jan 30 2008, 11:00 pm – Inst: Dr Kevin Dean 1 This print-out should have 6 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. The due time is Central time. This is ONLINE HOMEWORK No 1 It is due by 09:00 Abu Dhabi time on Thursday morning (23:00 Wedneday in Texas) 001 (part 1 of 1) 20 points Convert 48 mi / h to m/s. You may need 1 mi = 1609 m. Correct answer: 21 . 4533 m / s. Explanation: Using 1 mi = 1609 m and 1 h = 3600 s , we have 48 mi / h = 48 mi / h 1609 m / mi 3600 s / h = 21 . 4533 m / s . keywords: 002 (part 1 of 1) 20 points Suppose your hair grows at the rate of 1 32 inch per day. Find the rate at which it grows in nanome- ters per second. Correct answer: 9 . 18692 nm / s. Explanation: Given : R = 1 32 inch day . The rate is R = µ 1 32 inch day ¶µ 1 day 24 h ¶µ 1 h 3600 s ¶ · µ 2 . 54 cm 1 in ¶µ 10 9 nm 100 cm ¶ = 9 . 18692 nm / s ....
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Homework 1 Sol. - Abd Elhai, Mohamed – Homework 1 –...

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