The formula V= 7/2 √ h tells how many kilometers ( V ) you can see from a height (H) of meters above the Earth. Solve the following problems (round you answer in the nearest meter/kilometer):

a. How far can you see through an airplane window at an altitude of 12,000 meters?

b. How far can a sailor see to the horizon from the top of a 30-meter mast?

c. A person can see about 112 kilometers to the horizon from the top of a cliff. How high is the cliff?

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