Old Test 2 Summer 2006

Old Test 2 Summer 2006 - ,V 5 mm.” we a EGM 3400/3401...

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Unformatted text preview: ,V/ 5 mm...” we a EGM 3400/3401 Exam 2 Name L I Work any three of the four problems. Only three problems will be graded. Indicate which problem you do not want graded. If you do not indicate a problem, you will be graded on the ﬁrst three problems. Each problem is f‘orth 34 points. (3 _ 3y I 3‘ a l. A 5-lb collar can slide without friction on a vertical rod and is resting in equilibrium on a spring. It is pushed down, compressing the spring 5 inches, and released. Knowing that the spring constant is k = 12 1b/in., determine (a) the maximum height h reached by the collar above its equilibrium position, (b) the maximum velocity of the collar. 4” £0¢q€9 Me. dejﬂl/‘er‘i‘it/ﬁy £9 CM 1456 msewﬁ/m warm d4 liécc,ib/W V): Kyf } x6 I 1 MI : ilk it“? + 5‘A 1‘ VL)x :4 /‘ Ltzlimt<fi tgmyﬁg/gxsm "“ RIB/{n Imam all) = sum” hm“: 30:200’ (n = 2,617 0+ \ h) thebg Ochvs oth/WC CL ‘“ u,+ﬂ7;1i/{zt"_TL ‘ i1; Mlvua’ ’L 'L EGM 3400/3401 Exam 2 Name O. Neglecting the masses of the pu leys and the effect of 2. The two blocks shown are released from rest at t = friction in the pulleys and between the blocks and the incline, determine the velocity of block Ayat t = 0.3 s. f‘ﬁnt: Use impulse-momentum method. 7‘ )3 t :3 “\ XA an : cmLJ ‘3 ‘3 1 V4 +3Ug 1 a VAT—3W? (u) EGM 3400/3401 EGM 3400/3401 Exam 2 Name A % 3. A 30-kg sphere A of radius 100 mm moving with a velocity of magnitude v0 = 3 m/s strikes a 3.0—kg sphere f“ of radius 50 mm which is initially at rest. All surfaces of contact are frictionless. Assuming perfectly elastic -rnpact (e = 1) and no friction, determine the velocity of each sphere immediately after impact. I 3 (7O Velme — VA/CmGﬁe/i 1 \/0 @139 VA/ : V0 ape +Uﬁ’w(eio’) @239 V0,: Vair W’mﬁre’) M (609 EGM 3400/3401 Exam2 Name Abkiﬁ # 3 can“? ﬂ {Etude + / MA<V0‘V7“/Cﬁe/> 3 V0 TVA/C00 (97\$) [‘0 M5 013\$ W\ ' , . r “f: OK“ M9 we : 0 4 wme @(gre 3 MB 0:4(9u’9’) / 34/269490 my ...
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Old Test 2 Summer 2006 - ,V 5 mm.” we a EGM 3400/3401...

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