Total # Posts: 15
Suppose in the figure blow that +1.00 103 J of work is done by the force F with arrow (magnitude = 30.0 N) in moving the suitcase a distance of 53.0 m. At what angle è, counterclockwise from the x-axis, is the force oriented with respect to the ground?
October 3, 2014
Geometry PLEASE HELP ME
pick a vertex. find the slope of the perpendicular to the opposite side. find the equation of the line with that slope, going through the vertex. pick another vertex and repeat find the intersection of the two lines. That's the orthocenter.
December 11, 2012
50 mL of a 2.50 M solution of ammonium phosphate is added to 100mL of a 1.50 M solution of calcium nitrate. At the end of the reaction 11.2 grams of precipitate produced. What is the percent yield
April 18, 2012
a ton of calc
basically, my teacher gave us a bunch of optimization problems and i've been working on them for hours and can't get them. if i could have help with maybe the first four, that would be AWESOME. thanks. 1) find the point on the graph of the function y = x^2 that is ...
September 9, 2009