354_Dynamics 11ed Manual

354_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 15 Given: M 2gm = a 2.25 m = e 0.8 = b 0.75 m = θ 30 deg = g 9.81 m s 2 = v 18 m s = Solution: Guesses v 1x 1 m s = v 1y 1 m s = v 2x 1 m s = v 2y 1 m s = t 1 1s = t 2 2s = h 1m = Given v 1x v cos () = av cos t 1 = v 1y gt 1 v sin + = v 2x v 1x = ev 1y v 2y = bv 2x t 2 = hv 2y t 2 g 2 t 2 2 = v 1x v 1y v 2x v 2y t 1 t 2 h Find v 1x v 1y , v 2x , v 2y , t 1 , t 2 , h , = v 1x v 1y v 2x v 2y 15.59 10.42 15.59 8.33 m s = t 1 t 2 0.14 0.05 s = h 390mm = *Problem 15-76
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