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Class 1 Estimates and Orders of Magnitude

Class 1 Estimates and Orders of Magnitude. Pre-Physics PS0001. How many gallons of gasoline are used in Thailand in one day? Assume two cars for every three people, that each car is driven an average of 10,000 mi per year, and that the average car gets 20 miles per gallon.

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Class 1 Estimates and Orders of Magnitude

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  1. Class 1Estimates and Orders of Magnitude Pre-Physics PS0001

  2. How many gallons of gasoline are used in Thailand in one day? Assume two cars for every three people, that each car is driven an average of 10,000 mi per year, and that the average car gets 20 miles per gallon.

  3. Four astronauts are in a spherical space station. If, as typical, each of them breathes about 500 cc of air with each breath, approximately what volume of air (in cubic meters) do these astronauts breathe in a year? What would be the diameter (in meters) of the space station have to be to contain all this air?

  4. How many gallons of blood does a human heart pump during a lifetime? Estimate that the heart pump 50 cc of blood with each beat. 1 gallon = 3.788 liters

  5. In Wagner’s opera Das Rheingold, the goddess Freia is ransomed for a pile of gold just tall enough and wide enough to hide her from sight. Estimate the monetary value of this pile. The density of gold is 19.3 g/cc, and its value is about THB 30 per gram.

  6. How many words are there in the textbook?

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