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figured this also ? :)
yeah, i applied pythagoras theorem. i got a positive answer, 614 knots but idk why the solution gave -614 knots. isit because the planes are meeting so the distance between each other decreases?
|dw:1381922924444:dw|
yup, the distance has is decreasing between them.. so it has to be negative
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i see, i knew it, thanks!(:
np :) http://www.wolframalpha.com/input/?i=1%2F%282%2813%29%29*%28-2*5*442++-+2*12*481%29
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