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  1. 1. Unless you want to make life suck for yourself, your coordinate axes should always be perpendicular. 2) To get the magnitude, use pythagorus: d = sqrt (x^2 + y^2) To get the direction, use theta = arctangent (y/x) 3) Add up all the north/south pieces...

    1 Answers · Science & Mathematics · 19/06/2008

  2. ...1862 x 650 = 1210300 v = 1100 cm per sec. m = 2000 grams P.E. lost = 1/2 x 2000 x 1210300 = 1,210,300,000 ergs, which is 121 ...

    1 Answers · Science & Mathematics · 19/12/2012

  3. B A&B D B

    1 Answers · Science & Mathematics · 12/03/2014

  4. https://www.flickr.com/photos/61682497@N07/22903956336/in/dateposted-public/ 1) I'll leave the conclusion to you. 2) Alfredo needs to walk 4 km S and 3 km E. If you find this helpful, please award Best Answer!

    1 Answers · Science & Mathematics · 12/11/2015

  5. ...h = heat transfer coefficient, W/(m2K) dQ = heat input or heat lost, J A = heat transfer surface area, m2 dT = difference in temperature...

    2 Answers · Science & Mathematics · 28/06/2010

  6. Part of your home work? you mean all of it? All you really need to know is, Time (s) / Distance traveled (m) = Acceleration (m/s^2) (And the downward acceleration of Earths Gravity is 9.81 m/s^2...

    1 Answers · Science & Mathematics · 19/03/2013

  7. you shouldn't be in college if you're stupid enough to think anyone is going to do that for you

    1 Answers · Science & Mathematics · 14/04/2010

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