dimanche 22 juillet 2018

A math question about the moon and an airplane

Math disabled person here asking for assistance.

If an observer is on the ground and the moon is full and at its apex in the sky and an aircraft moving at 400 kph passes in front of on the observers line of sight to the Moon. How do you calculate how long it will be visible while passing said Moon, assume an aircraft of 747 size 1/2 kilometer up?

Thanks in advance to the math smart people.


via International Skeptics Forum https://ift.tt/2LHvwzl

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