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Online Homework 7 Solutions

# Online Homework 7 Solutions - Bullet Block and Spring M...

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Unformatted text preview: Bullet, Block, and Spring M m .«f- A projectile oi'maaa 23 g has an initial horizontal velocity offﬂﬂ W3 whcn it hits and stops in a wood block ofinasa 0.4]! kg. Thc black is sitting on a horizontal frictionless snrfacc md is attached to a Inasalcca spring. initiallyr rclaxed,_ with spring constant I33 Mm. Wi'lat is the maximum comprcasion of the. acting? Spring—Loaded Culﬁsiun Am'ofmasam-Bligmngamgofsﬁngmmk-ﬁﬂmmmomgm mv-ﬂﬂlmunmmﬁmmﬂ-lluhmaﬂmuﬁmiaﬂonga ling. a)WhaIisﬂ1cspmdﬁfthenuﬂernfmaﬁofﬂ1issysmm? mmmcapﬁngiauiumimummmpmiamﬁﬂlmtapeedmthemmm inﬁﬂahﬁmne? c)Hnwfarniﬂﬂ1espr‘mgheumIpl-med? _ Qhﬁaﬂaecollisignismer,whatisﬂ1evelncityofminﬂn lahfrmc‘! eJAﬂuthecullisionisuver,whatisﬂ1cvelocityufﬂimhalahﬁam=? 9 :Fm},eyiiﬂ #353 Thu. ‘C’Qm‘hldfmm (smWFr. WM L/_k //__/—’-—7 i\(W-:W— (*6 @{m #5 A) W Lu: an ELQEL cam/am LH it? W+ .-= «1— Mr W. I (:3 “111+- Ll ﬁve +0; igw = gm 4c. We, mks—L at," waﬂiUbk‘l 016ch = “Eli-M51. ?‘J‘-*O ‘*(‘~'ﬁ-\R\ {7* MWEW Mug thﬂ ft'ﬁ‘i‘g‘d—L w=—¢I+G.L '2‘? (TMﬁ—HBFL 3 W ﬁ= am F= @(Bﬁﬂ); :41an m+nf1 'fblla '*' Plate with Hale El A uniferm circular piste efrsdius :5 en: has a eireulsr heleef radius 2 eat eat out of it. The seiner ef'the plate is at the origin of the eeerdinste system and the center of the hole is located slung the x axis a distshee 4 cm item the migin. (sJWhat is the position ef the eerxter ef mass-sf the plate with the hole in it? {e} If the mass per unit ares et‘msterisl is I git-mi, what is the mess of this ehj set? @kg 3% mm 1p m wuguaulzﬁw: Km: .0- cm +(<+m){o— w) U17?— ._.__ UTrL (4:345? —. — 123:— r .: (4m)(10"> :L_ (10th CM' \ (HWY— —(?—w) I Dis]: and Block AmiﬁormdiakofmmMaiﬂhgaudmdimR-measamﬂblockofma mum-1.1 ilouitarim. Itmaboutattaﬁa-adimood-ﬂdfnﬁ'omitam mummakalongﬂmmhusmwinmﬂubtookwmm IJWhﬂioﬂtemomautofinoI-tiaofdtobloukabomﬂwmtaﬁouaxia? bJWhtttaﬂtemmnmtofluﬂnaofﬂwdtakabomﬂnmma? GJWlmmoEﬁmEM-mﬂmathmmwiﬂyufﬂmm inﬂame}? dJIfwbiiothoayﬂomiammﬁuguithaoguhrvdooitytZHdioithaaaumyla: mlﬂoﬁooofﬂdrodh’,’ whatiaﬂtomaguiutdoofﬂtoaoodmonofﬂtablook‘? Disk with" Weight r. .__..___.._.___— L A15 hguniferm disk ef'radius R= 11.25 mhas ash‘hmgﬁapped mend it, autism = 3.9 kg weight is hanging en the string. The system of the weight and disk isreleased ﬁ'em rest. a] When the 3.9 It: weight is moving with a speed of 1.3 ﬂll'l, what is the kineﬁe energy of the entire system? b] If the system started frem rest, how far has the weigh fallen? e} What is the angular aeeeleratien at this peint'?‘ Disk with Hole Ei A. unif'cnn circular disk has radius 35 cm and mass 351! g and its ccnlcr is a! thc crigin. Than a. circular hclc cf radius 3.15 cm is cut cal: cf it. The center of Jim hulc is a distance 13.115 cm fmm the cEnteir ﬁfths: disk. Find the moment of inertia of the modiﬁed disk ahculthccrigin. [magma- My OECTEJLiI' no 11m, ﬁmlzqmw 0E. a. {macadamia mﬁgmclcnhi'xl («s—ma a. W dink. waif» EﬂIEaLL dumb] 10': ‘1T(?;‘5Cm)1 M; —L ”—‘MaL—Jcﬂ (Jada; tuck - cruE: —L11- 2. Z M utciLL m : “Elli-1‘ 1". ._. JimrL+ mciL ...
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Online Homework 7 Solutions - Bullet Block and Spring M...

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