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OpenStudy (anonymous):
A military observer notes two enemy batteries wich subtend, at his observation post, an angle of 40 degrees. The interval between the flash and the report of a gun is 5 seconds for one battery, and 4 seconds for the other. If the velocity of sound is 1140 ft a second, how far apart are the batteries? using law of cosine..if someone got the answer i give medal
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OpenStudy (anonymous):
@cwrw238
OpenStudy (anonymous):
your a d!ck feather
OpenStudy (anonymous):
why?
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