Physics
posted by John .
Every once in a while a bird will get hit by a baseball during a baseball game. The longest home runs in baseball land about 500 feet (which is 152.4 meters) from home plate. If these balls leave the bat at a 45 degree angle to maximize their distance, what is the minimum safe height in meters for birds around baseball stadiums?

Physics 
Elena
h= vₒ²•sin²α/2•g =
=L•g•sin²α/2•g•sin2α=
= L•sinα/4•cos α=
=L•tanα/4
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