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EGM 3400/3401 Spring 2010 Exam 2 E, rub Name 50 i Lg, .
Please draw a box around all your ﬁnal answers on all problems. BE SURE T 0 SHOWMA GNITUDE AND DIRECTION FOR LL VECTOR QUANTITIES. When complete, sign the honor pledge. / (\Dn my honor, I have neither given nor received unauthorized aid on this test. Signature 1. In a game of pool, ball A is moving with a
velocity v0 when it strikes balls B and C, which are
at rest and aligned as shown. After the collision, the
three balls move in the directions indicated. The
speeds v0 and vc are given as v0 = 12 ft/s and vc= 6.29 ft/s. 1a) (6 points) Draw a diagram for each of the balls showing all impulses during the collision. Only show
impulses, do not show velocities. There should be three diagrams. o It ‘ 1b) (6 points) Write the equation for conservation of momentum in the xdirection. MUM/395° Mai/14403;, 9.3% MV3M37,‘iD r MVccoD50° " IC) (6 points) Write the equation for conservation of momentum in the ydirection. MVa ALAS" : mUA conLlﬁo c M25 @5314" + Mv¢Mk300 . l
EGM 3400/3401 Spring 2010 Exam 2 Name ld) (6 points)» What is the magnitude of the velocity of ball B just after the collision? p . t
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[W23 3,?5I‘5 le) (6 points) What is the magnitude of the velocity of ball A just after the collision? Vt :(,5200(3r?517 + 23945 #5 (\Jk = 3,5031 Jet/5? ...
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 Summer '08
 Matthews
 Dynamics

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