Asked by Erin

A skateboarder at a skate park rides along the path. If the speed of the skateboarder at point A is v=1.4 m/s what is her speed at point B?
Point A = 2.7 m & Point B=1.0 m
Answered by oobleck
well, if we ignore friction, the PE gained (mgh) will be equal to the KE lost (1/2 mv^2) ...
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