Posted by Anonymous on Sunday, March 3, 2013 at 7:50am.
Vi in meters= 100ft/s*(1/3.28ft)
Vf=0
a=-9.8m/s^2
Solve for d
Vf^2 = Vi^2+ 2ad
-Vi^2/2a=d
Solve for t.
Vf=Vi+at
Vi/a=t
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