Unformatted text preview: mgh i – F k s F k θ s Solve for s: F k s = ( 1 / 2 ) mv i 2 + mgh i s = [( 1 / 2 ) mv i 2 + mgh i ]/ F k s = [( 1 / 2 )(5)(4) 2 + (5)(9.8)(2)]/(10) = 13.8 m v i = 4 m/s v f = 0 m/s h i = 2 m h f = 0 m m = 5 kg F k = 10 N Let h = 0 here Simplify here by substituting values that are 0....
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 Fall '08
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 Physics, Energy, Work, Wext, Corvallis, Oregon, fks, T.f R.f G.f

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