Physics, 18.10.2019 17:20 vanydparis
You lay a rectangular board on the horizontal floor and then tilt the board about one edge until it slopes at angle 0 with the horizontal. choose your origin at one of the two comers that touch the floor, the x axis pointing along the bottom edge of the board, the y axis pointing up the slope, and the z axis normal to the board. you now kick a frictionless puck that is resting at o so that it slides across the board with initial velocity (v_ox, v_oy,0). write down newton's second law using the given coordinates and then find how long the puck takes to return to the floor level and how far it is from o when it does so.
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You lay a rectangular board on the horizontal floor and then tilt the board about one edge until it...
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