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estimation_problems [2014/11/12 16:16]
ethanminot
estimation_problems [2015/04/09 21:55]
ethanminot
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   - The radius of the earth can be estimated from observations that Tal made at Lake Tahoe. Sail boats with 6 m tall masts disappear when they sail to the far side of the lake. The far side of the lake is about 10 km away.    - The radius of the earth can be estimated from observations that Tal made at Lake Tahoe. Sail boats with 6 m tall masts disappear when they sail to the far side of the lake. The far side of the lake is about 10 km away. 
  
 +===Climate/​Atmosphere===
 +  -What is the mass of the atmosphere?
 +  -How long would it take humans to use up 10% of the O2 in the atmosphere? ​
 +  -How much CO2 does a square kilometer of forest remove from the atmosphere each year (in kg)?
 +  -How much CO2 does an automobile add to the atmosphere each year (in kg)?
 +  - If the CO2 in the atmosphere increases by 1 ppmv due to the burning of coal or oil, how many kg of coal or oil were burned?
 +  - If the CO2 in the atmosphere increases by 1 ppmv due to the burning of coal or oil, how much will the O2/N2 ratio change?
  
 ===Mechanics=== ===Mechanics===
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 ===The Atmosphere=== ===The Atmosphere===
-  -What is the mass of the atmosphere? (✔ Hiral) +
-  -How long would it take humans to use up 10% of the O2 in the atmosphere?  +
-  -How much CO2 does a square kilometer of forest remove from the atmosphere each year (in kg)? (✔ Tal) +
-  -How much CO2 does an automobile add to the atmosphere each year (in kg)?+
  
 ===Electricity and Magnetism=== ===Electricity and Magnetism===

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