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Welcome to Physics 229: No Lab this Week, Winter Sky Lab Next Week, Test 1 on 2/12

This is the course schedule for Physics 229. There will be no lab this week, but the Winter Sky lab will be held next week. Test 1 is scheduled for Wednesday, 2/12. Please complete the assigned homework by Wednesday, 1/29.

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Welcome to Physics 229: No Lab this Week, Winter Sky Lab Next Week, Test 1 on 2/12

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  1. Welcome to Physics 229! • No lab this week • Lab next week: 1. The Winter Sky • Test 1: Wednesday, 2/12. • Homework, due Wednesday, 1/29*: • Bennett, et al., Chapter 1. Problems 44, 45, 46, 47, 58, 59 (2-3 paragraphs). *typically I’ll grade 3 of these Please type word answers, you can handwrite calculations.

  2. Metric Units • Mass – kilogram • Force – Newton • Energy – Joule • Length – meter • Time - second

  3. Metric Prefixes

  4. Other units • Light year – 9.4605284 × 1015m • Parsec – 3.26 light years

  5. A voyage to very large and very small • http://htwins.net/scale2/

  6. Compressing the “very large” into a meaningful scale • The Eau Claire Planet Walk • 1.1 miles = distance from Sun to Pluto, scale = 3.4 billion:1 • The Cosmic Calendar • 1 year = time since the Big Bang (13.7 billion years) • http://www.youtube.com/watch?v=Ln8UwPd1z20

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