Asked by Anonymous

As shown in the figure below, a skateboarder starts at point A on the ramp and rises to point B, a maximum height of h = 2.89 m above the top of the ramp. If the amount of work done against friction is insignificant, determine his initial speed at point A.
Answered by bobpursley
mgh=1/2 mv^2 solve for v
Answered by sid mst pankow
The equation would be this since the mass is the same on both sides:

v=sqrt(2*g*h)
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