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October 20th, 2014, 10:15 PM   #1
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Apparent angular diameter

You have a friend 6 feet high, who begins walking away from you at a rate of 5ft/sec. Write an expression relating their angular diameter "theta" to their distance "x".


How do I approach this?
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October 21st, 2014, 04:48 AM   #2
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Angular_diameter

... good diagram and formula.
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October 21st, 2014, 05:58 AM   #3
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Quote:
Originally Posted by skeeter View Post
Angular_diameter

... good diagram and formula.
My apologies, the question also said assume you are at ground level
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