Posted by **Brandon** on Sunday, November 2, 2008 at 11:45am.

A particle, starting from point A in the drawing at a height h0 = 2.3 m, is projected down the curved runway. Upon leaving the runway at point B, the particle is traveling straight upward and reaches a height hf = 4.6 m above the floor before falling back down. Ignoring friction and air resistance, find the speed of the particle at point A.

m/s

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