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Happy Birthday Joe Montana (1956)

Happy Birthday Joe Montana (1956). HW #2.1: DUE THURSDAY Chap. 2 : 5, 7, 8, 11, 13, 33, 35, 37, 38, 39, 40, 43, 45, 47-52 (all), 97, 137, 139, 140 HW #2.2: DUE MONDAY 6/16 Chap. 2, #s 57-63 (all), 65, 67, 69, 71, 73, 79, 82, 85, 87, 89, 91, 92, 93, 95, 101, 105, 109, 143, 153

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Happy Birthday Joe Montana (1956)

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  1. Happy Birthday Joe Montana (1956) • HW #2.1: DUE THURSDAY • Chap. 2: 5, 7, 8, 11, 13, 33, 35, 37, 38, 39, 40, 43, 45, 47-52 (all), 97, 137, 139, 140 • HW #2.2: DUE MONDAY 6/16 • Chap. 2, #s 57-63 (all), 65, 67, 69, 71, 73, 79, 82, 85, 87, 89, 91, 92, 93, 95, 101, 105, 109, 143, 153 • For lab tomorrow (dry lab) • You must have your lab manual!!!! • Beacon with Heather Baker • Wednesdays in LRC 108 (TODAY!!) • 1:45 – 3:45 • 4:00 – 6:00

  2. 23.67 – 75 5502.8 + 24.691 + 0.01 0.109 + 0.09 – 0.955 20.4 + 1.322 + 78 0.000004 + 11.23115 5449000 + 162211 -51 5527.5 -0.76 100. 11.23115 5611000 Some More Practice

  3. Mixed Operations with sig. figs. 1) Do inside parenthesis first 2) Mark the last significant digit you are going to keep in that step 3) Finish calculations 4) Report answer to correct number of sig. figs. 4 sig. figs.   5 sig. figs.

  4. Mixed Operations with sig. figs. 1) Do inside parenthesis first 2) Mark the last significant digit you are going to keep in that step 3) Finish calculations 2 sig. figs. 6 sig. figs. 4) Report answer to correct number of sig. figs.  -1.509402905x106 -1.5x106  

  5. Mixed Operations with sig. figs. 1) Do inside parenthesis first 2) Mark the last significant digit you are going to keep in that step 3) Finish calculations 2 sig. figs. 4 sig. figs. 4) Report answer to correct number of sig. figs.   3 sig. figs. or 3.06x10-4  7 sig. figs.

  6. Types of Units (Quality Measured) • Distance (length) • foot, inch, mile, yard, meter, centimeter, rod • Mass/Weight • gram, kilogram, ton, pound, ounce, stone • Volume • gallon, quart, pint, milliliter, liter, cubic centimeter (cm3, cc) • Time • second, minute, hour, year, microsecond, eon

  7. What quality is measured by…? kg mass oC temperature cm length/distance cm3 volume mL volume ft2 area

  8. Dimensional Analysis(unit conversion) Unit equation 1 ft _ 1 ft _ 1 ft 12 in 12 in = 1 = = 12 in 12 in 12 in 12 in 1 ft 1 ft 12 in 12 in = 1 = = 1 ft 1 ft 1 ft Conversion between feet and inches can be written either: 12 in 1 ft _ OR 1 ft 12 in These are called “Unit Factors”

  9. Dimensional Analysis(unit conversion) • The Goal: • Convert one unit to another • How: • Use conversion factors • Use them so that 12 in 1 ft _ OR 1 ft 12 in Unit you want to keep ____________________ Unit you want to cancel

  10. Dimensional Analysis(unit conversion) • How many feet are in 51.5 inches? 12 in 1 ft _ OR 1 ft 12 in

  11. D.A. Practice I have a 100.0 fluid ounce CamelBak. How many gallons is my CamelBak?

  12. D.A. Practice I have a 100.0 fluid ounce CamelBak. How many gallons is my CamelBak?

  13. D.A. Practice If a person weighs 208 lbs, what is their mass in amu?

  14. D.A. Practice If a person weighs 208 lbs, what is their mass in amu?

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