Posted by Lisa on Friday, February 19, 2010 at 10:40pm.
I need to sketch a 45 deg  45 deg  90 deg triangle and indicate the lengths of each side assuming the hypotenuse is = to 1 meter

Physics  drwls, Friday, February 19, 2010 at 10:49pm
This not about physics.
Use graph paper or an straightedge with a right angle corner to draw two lines at right angles meeting at a point. Make the two lines of equal length. Draw the hypotentuse between the other two ends of the lines. If you choose a scale that calls the hypotenuse length 1 meter, the two equal sides will have a length of 0.707 meters. 1/(sqrt2)

Physics  Anonymous, Wednesday, October 13, 2010 at 1:09pm
In the figure, charge = 2.1 × is placed at the origin and charge is placed on the axis, at = 0.20 m. Where along the axis can a third charge be placed such that the resultant force on this third charge is zero?
Express your answer using two significant figures.
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