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Transcript of fizik 1 fasle 1 - dl.esfand.orgdl.esfand.org/get/sanaye/fizik 1/fizik 1.pdfm i t. b l og f a . c om....

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x v0 v2 t

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2) Fx T1 sin30 T2 sin45 W 0 T1 sin30 T2 sin45 W

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:F0 FAB mA a FAB 1.2 104 2 4 104

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r m 2 r m 2 r N m 2 rfs mg s N mg s m 2 r mgs

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N mgcos Tsin 397 125 254NNNf 4.25==.cosFSW =:

WT T.s Tscos30 4330jWf f.s fscos180 fs 508jWN N.s 0Wg mg.s mgscos 90 15 2030j

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E 12 mv2 mgL 1 cos

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T mgcos mv2L 19.6 8.5 28.1N

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2 kx2 Fxcos fx

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cm20 .cm50

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