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October 23, 2014

Homework Help: physics

Posted by Anonymous on Friday, October 8, 2010 at 12:26pm.

Need help very much appreciated....Thanks....A skateboarder shoots off a ramp with a velocity of 6.5 m/s, directed at an angle of 62 above the horizontal. The end of the ramp is 1.4 m above the ground. Let the x axis be parallel to the ground, the +y direction be vertically upward, and take as the origin the point on the ground directly below the top of the ramp.
(a) How high above the ground is the highest point that the skateboarder reaches? (b) When the skateboarder reaches the highest point, how far is this point horizontally from the end of the ramp?

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