Posted by Devin on Sunday, August 26, 2012 at 12:40am.
v=sqrt(2gH) = sqrt(2•9.8•34) = 25.8 m/s
the decelerated motion
a= [(v(fin) ² -v(init)²]/2•s=(0- 25.8²)/2•0.6=- 555.33≈ - 555 m/s²
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