Posted by **Constant physics poster!** on Monday, September 21, 2009 at 10:23pm.

I found out how I was messing up and getting the wrong answer. I entered (-30) squared + 49.5 squared then took the square root of the answer getting 39.37 instead of 57.88 which i figured out was the right answer, I didn't enter all in my calc at the same time. ...whoops. Thanks for all your help mathmate!

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