solutionofquiz8(MTH205)

solutionofquiz8(MTH205) - ericavgnive partment ematics, and...

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Unformatted text preview: ericavgnive partment ematics, and Statistics of Sharjah 205 ~ Quiz Vlll Spring, ZOlO Name: ID# I Section# Q1. A mass weighing 64 pounds stretches a spring 0.32 foot. The mass is initially released from a point 8 inches above the equilibrium position with a downward velocity of 5 ft/s. a) F ind the equation of the motion b) What are the amplitude and period of the motion gfj’ «:ZSMQ/ ébffié‘sfliq 32” (:23: m flew-fir: ’6‘ 7/? We) :3- a? 20% KG)? ’fi ‘98ng kg 3/ J Ax?” viz—'62 “3/3 :37/4 i?) 35:60") 1 we wig/"i W33} at” m} 255%)” m V; Q2. A mass weighing 4 pounds is attached to a spring whose constant is 2 ib/ft. The medium offers a damping force that is numerically equal to the instantaneous velocity. The mass is initially released from a point 1 foot above the equilibrium position with a downward velocity of 8ft/s. Determine the time at which the mass passes through the equilibrium position. Find the time at which the which the mass passes through the equilibrium position. Find the time at which the mass attains its extreme displacement from the equilibrium position. What is the position of the mass at this instant? } xii/r Uri—’3‘ x02 £th Wl’twm 52 1*gmmié’ {fair-“4 147 XYO) :27 9’ M W fig? “"24" 2(0) W “‘5 L: fl;/¢Ae+fi+ ,Lif’ "’“ 1223;, file {‘0} :3 fig fig; 6 A I ,qkéwfirfle n '7‘“ [if/":3 guff- 44 .e is xffia flag,” /? (gag ...
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This note was uploaded on 02/12/2012 for the course MTH 205 taught by Professor Sadik during the Spring '11 term at American Dubai.

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solutionofquiz8(MTH205) - ericavgnive partment ematics, and...

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