303_Dynamics 11ed Manual

303_Dynamics 11ed Manual - k 1 x 1 k 2 x 2 = 1 2 W g ⎛...

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Engineering Mechanics - Dynamics Chapter 14 * Problem 14-96 The double-spring bumper is used to stop the steel billet of weight W in the rolling mill. Determine the maximum deflection of the plate A caused by the billet if it strikes the plate with a speed v . Neglect the mass of the springs, rollers and the plates A and B . Given: W 1500 lb = k 1 3000 lb ft = v 8 ft s = k 2 4500 lb ft = Solution:
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Unformatted text preview: k 1 x 1 k 2 x 2 = 1 2 W g ⎛ ⎝ ⎞ ⎠ v 2 1 2 k 1 x 1 2 1 2 k 2 x 2 2 + = 1 2 W g ⎛ ⎝ ⎞ ⎠ v 2 1 2 k 1 x 1 2 1 2 k 2 k 1 x 1 k 2 ⎛ ⎜ ⎝ ⎞ ⎟ ⎠ 2 + = W g ⎛ ⎝ ⎞ ⎠ v 2 k 1 k 1 2 x 1 2 k 2 + ⎛ ⎜ ⎝ ⎞ ⎟ ⎠ x 1 2 = x 1 W v 2 g k 1 k 1 2 k 2 + ⎛ ⎜ ⎝ ⎞ ⎟ ⎠ = x 1 0.235 m = 301...
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This note was uploaded on 08/16/2011 for the course EGN 3321 taught by Professor Christianfeldt during the Spring '08 term at University of Central Florida.

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