Question 931871: If I am standing two hundred feet away from a deer, and the deer is running 20 mph and my bullet goes 2000 feet per second, how many feet ahead should I aim to hit the deer? The deer runs in a straight line and the bullet goes straight and doesn't lose speed. I think I might have to convert some units but I'm not quite sure...thank you!
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! deer speed in ft/sec:
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20 miles/hour * (5280 feet/mile) * (1/(60*60) hour/second) = 29.33333333 ft/sec
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time for bullet to reach deer:
s = d/t
t = d/s
t = 200/2000
t = 0.1 second
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distance run by deer in time t:
s = d/t
d = st
d = 29.33333333 * 0.1
d = 2.933333333 feet
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answer:
aim ahead 2.93 feet
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