
Alicia S.
asked 08/14/18An airplane dropped a flare from a height of 3640 feet above a lake. How many seconds did it take for the flare to reach the water?
How many seconds
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1 Expert Answer

Arturo O. answered 08/14/18
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Experienced Physics Teacher for Physics Tutoring
Assuming the simplest possible case, ignoring air resistance and other factors, treat this as a free-fall problem.
h = gt2/2
t = √(2h/g) = √[2(3640)/32] sec = ? sec
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Lauren H.
08/14/18