Homework 1-solutions

Homework 1-solutions - yindeemark(rry82 Homework 1...

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yindeemark (rry82) – Homework 1 – chelikowsky – (59005) 1 This print-out should have 15 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. 001 10.0 points A human hair is approximately 59 μ m in di- ameter. Express this diameter in meters. 1. 5 . 9 × 10 6 m 2. 5 . 9 × 10 6 m 3. 5 . 9 × 10 7 m 4. 5 . 9 × 10 7 m 5. 5 . 9 × 10 5 m correct 6. 5 . 9 × 10 5 m 7. None oF these Explanation: Basic Concept: 1 μ m = 1 × 10 6 m Let: diameter = 59 μ m Solution: diameter = 59 μ m = ( 5 . 9 × 10 1 μ m ) · 1 × 10 6 m 1 μ m = 5 . 9 × 10 5 m keywords: 002 10.0 points The distance between the sun and the Earth is about 1 . 5163 × 10 11 m. Express this distance in kilometers. 1. 1 . 5163 × 10 11 km 2. 1 . 5163 × 10 9 km 3. 1 . 5163 × 10 8 km correct 4. 1 . 5163 × 10 10 km 5. None oF these 6. 1 . 5163 × 10 7 km 7. 1 . 5163 × 10 6 km Explanation: Basic Concept: 1 km = 1 × 10 3 m Solution: distance = ( 1 . 5163 × 10 11 m ) · 1 km 1 × 10 3 m = 1 . 5163 × 10 8 km 003 10.0 points A certain corner oF a room is selected as the origin oF a rectangular coordinate system. IF a ±y is crawling on an adjacent wall at a point having coordinates (2 . 2,7 . 5), where the
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Homework 1-solutions - yindeemark(rry82 Homework 1...

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