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You need two points to calculate it. The slope is then the coefficient of the line passing for the two points, i.e.: m = ( y2 - y1 ) / ( x2 - x1 ) To get it in form of an angle use the arctan(m) function.

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Until now in physics, you've probably been ignoring friction to make things simpler. Now, it's time to include this very real force and see what happens. Feb 02, 2016 · (a) Calculate the acceleration of a skier heading down a 10.0o slope, assuming the coefficient of friction for waxed wood on wet snow. (b) Find the angle of the slope down which this skier could coast at a constant velocity. You can neglect air resistance in both parts. Static friction μs:0.14 Kinetic friction μk:0.1

Motion on a Curve => The net force on a car traveling around a curve is the centripetal force, Fc = m v2 / r, directed toward the center of the curve. => For a level curve, the centripetal force will be supplied by the friction force between the tires and roadway.