Wednesday, March 25, 2015

Unit 2:1 Dimensional Analysis - Take Home Quiz

Agnes Szakacs
03/25/15

Unit 2:1  Dimensional Analysis - Take Home Quiz Questions

  1. If I am 75 inches tall, what is that in feet?
    1. 6.25ft tall
  2. In one month, Farmer John gathered 150 eggs from his hens.  How many dozens of eggs is that?
    1. 12.5 dozen eggs
  3. If I eat 1 dozen eggs a week for breakfast, then how many eggs do I eat in 1 year?
    1. 624 eggs
  4. On average, a person blinks 15 times per minute, how many times does a person blink during 15 waking hours?
    1. 28,800 times
  5. How many seconds are in 2 years?
    1. 6.307e+7 seconds
  6. If a family is driving to the Grand Canyon at 50km/hr, how many meters do they travel in 1 minute?  (there are 1000 meters in one kilometer)
    1. 833.3 m/min
  7. If a person drinks two coffees a day, and there is 50mg of caffeine in each coffee, then how many kilograms of caffeine does that person consume in 1 year?  (there are 1000mg in 1g, and 1000g in 1Kg)
    1. 0.0365 kg/year
  8. The specific heat of water is 1 Calorie per gram * degree Celcius (1cal/g*C).  How many Calories will it take to raise 500 grams of water 25 degrees Celsius?
    1. 12,500 cal
  9. The fastest recorded human running speed is 27.44 mph.  At this speed, how many minutes would it take to run to the trolley station, 1.5mi away, from here?
    1. 0.686 mil/min
  10. In one school year there are 180 days.  If students spend 5.5 hours in a seat per day, how many hours does a student spend sitting in school until they graduate.  (12 years)
    1. 11,880 hours

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