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Unformatted text preview: N φ θ L mg Add friction to previous problem, μ =0.25 4 m 30 N φ θ L mg F f ( 29 s m 67 . 6 tan 1 gh 2 v tan 1 mgh tan mgh mgh mv 2 1 sin h L But L cos mg sin mgL NL cos mgL mv 2 1 W K K f 2 f 2 f NET i f = θ μ= θ μ= θ μ= θ = θ μθ = μφ = + = Springs 2 s kx 2 1 U kx F == Power watt 1 ond sec joule 1 dt dW P = =...
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 Fall '08
 Reay
 Energy, Force, Kinetic Energy, Work, 1 mg, Joule, 1 watt, 1 2 k

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