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March 25, 2017

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A hill that has a 31.4 % grade is one that rises 31.4 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?

  • Physics - ,

    (1) draw a right triangle.
    (2) base = 100.0 m
    (3) height = 31.4 m
    (4) determine the angle (theta) between the base and the hypothenuse of the triangle.

    Use tan theta = opposite side/adjacent side. don't forget to inverse tan.

  • Physics - ,

    How do you find the net force and its direction of the diagrams

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