Week 8 Notes
Week 8 Notes Physics 1114
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This 5 page Class Notes was uploaded by Emma Keith on Monday October 19, 2015. The Class Notes belongs to Physics 1114 at University of Oklahoma taught by Professor Howard Baer in Fall 2015. Since its upload, it has received 33 views. For similar materials see Physics for Non-Science Majors in Science at University of Oklahoma.
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Date Created: 10/19/15
I Lecture Noes Conserva on of Momentum 25 2b pmv V 69 Elos c collision cncrqgond momentum are conserved c n o no deformo on 39 1 Lquot I z quotimv quot zzm2 quot amquot Roro 39onol mo on y 0ngle e In degrees ormdions radians archctrcr A r l md L is39 quotITq radians O i7rad 39 Loanzmd I I magma Ongulor Veloc y how fast gou rotate w lowercase cm 90 1 Awave 93 md usual 3 93 veloc y of I At sec angular velocity IOIZIIS UU n nsfantancous V 92 me run a At At v rw angular acceleration 2 ac aw At nowcrcaae alpha At moh on under cansrant ma on undcr consran r angular acceleration accelerah on aconsrant cc 2 air consfa nt vaAtV3 woLAtw 5 lizaot VBAtSo A9 39lzxAt ww AH 60 Is there a Ncwron s Law For angular moh an YesZFm3 Fulcrum pofnt a bout wm ch you rota te r12 PM a n2 9m9 r leverarm mmn onal Force torque rF forquez t mu torques on e hcr stac must be bol anccd to balance bcam T quot39739 T1 mgrmgr 2mg2 mglr Notes over Cosmos EDI SOdC 390 quot quot 39 quot long3915 mI39chOCI Forroday quotworked with Humphrey DavieWhosmdiedclocm39cify and experimented wifh the link between magnetism and 4 quotInvented lat motorCCDnhfnuouscurrengo mooning qovc annual cnn srmos Science lccrurcs Forthcgoung when he become lab head u Exocn39mcnted with conversion of moh on to eIch dfg a lst gencmfor brought elecm oi iy on demand 1heon zcd about magnon c ei ds M39ed to link light ciccm cifg and magnetism rn39cd ro twisr light with a mognctn naiiy hand that a magnetcould twist light through glass plagucdbg memory loss 50w That tout fog giontmg ngtmitb manctl399 39oids surrounding it derecrcd and F01 owed by birds liquid iron in earthworksasomognct magncn39c Field results acts as a shield fbr nobacch by math 5 O HA5IQ o a Ch quot M 39 w Jamcs Hart maxweu 5cf ourtomarhemanicol19provc Forraday s mognc n c Fields Changcd Farraday s smh39c elds to waves IDH9115 Lccrurc Notes Rcvlc w Ro1a onol mon on described by 7quot in me 1 quot mfdtc a39hangle AGCmdn ans w mg u I o velocity md 15 cc 39 angut or acceleration radsec Law At 7n 0 Jar distance 5 As r46 V39 Av r39Aw 0 A a r AL Newmnb Law for angular motion onaioguwf Forces wmue lt1 H t F d 39 quot Ile v e rmm dismth om39 the fbmc is applicdtnfhc Falcrum A Fulcrum i m9 13m9 r Fma H 39 Comaft tOrot atr39malmoh39oh39 mump g m r 39 39 bgr 9 r a quot 39 T mrraquot39 W m r mass distance to fulcrum Newmatcn39al quotIrofqh39onal inertia or moment of I39nern a I heap mr mass evenly dism39bu d disk 39lzmr moss uneven distributed d DI u cont To dcrermt nc direcn onuscn39ght ban 1 rule x 239 ar mw into board 0 arrow out of board counterclockwise A6 Aamp A Out0F board clockwise Aggbw bo into board 2 quotquot P 54 AnalogueoF Kl39ncn c Energy conservation of momentum EPIY AV At magihp 55551551 39 frIAw39 A39 angular impulse 39Fnoorqueqngular momentum is conserved what K as a top Upright