Class Note for THR 213 at KU (2)
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This 23 page Class Notes was uploaded by an elite notetaker on Friday February 6, 2015. The Class Notes belongs to a course at Kansas taught by a professor in Fall. Since its upload, it has received 17 views.
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Date Created: 02/06/15
PHSX213 class Questions Introductory Chapters Describing Motion Ch 2 Ch 4 Fri August 24th 1 Clicker Question What is this picture A One of the James Bond movies B Exploring an underwater cave C The cleaners Visiting D Japanese rubber dinghy ad Fri August 24th 2 Announcements Society of Physics Students SPS Starts this Friday at 400 PM Malott 3005 Fri August 24th CheckPoint 3 A person standing at the edge of a cliff throws one ball straight up and another ball straight down at the same initial speed Neglecting air resistance the ball to hit the ground below the cliff with the greater speed is the one initially thrown A upward B downward C neither they both hit at the same speed Fri August 24th Which positihnsvemhsathhh graph ghss with this valochya versusatime graph Th6 pa icla s phsiticm at 3503 isx wma Which positihnsversmathhh graph ghss with this valochya versusatima graph Th6 particla s posihhh at 350 Vectors and scalars Scalars Single valued quantities Mass time energy temperature pressure Vectors Magnitude size and direction Can be 1dirnensional 2d 3d nd Eg In a lift sha 1d pool table 2d mountain 3d Fri August 24th Pasitimn vectm Mr 3 particle 13 ff The scalar product makes it easy to understand many physics concepts Example work w F 3 Chapter 78 Fri August 24th 9 Th6 vectm pmt uct makes it sasisr t0 understand many physics camceptso Examples Marque and angular msmemum in mtatisn 11 Vectors Vectors and Scalars Adding Vectors Geometrically Components of Vectors Unit Vectors Adding Vectors by Components Multiplying Vectors c39 53H multiplying by a scalar s 8 3 0 73quotmultiplying a vector by a vector to obtain a scalar SCALAR PRODUCT E39 E39x F1nultiplying a vector by a vector to obtain a vector VECTOR PRODUCT Fri August24th Adding Vecmrs Actual path 139 fif E 0 NC L displuccmcl 11 is the Vfct l Sum 1 E J 7 I 14 A 4mm 7 along Election of I is t 05 b along dimction of Compouentof b 1 is 1 cos d It gt ss 9 6 Scalar P mdnct Vector Product TEE pmdmt gymra mm A j ED I ua kgcag two v LILF a 9 LED mat ng V t ig Wlh1 s3 cc 2 b 9 Wlh lff gm la Wm 1ng1 EE 0161 E039 and dizrw cm FE 9 t w gt quot 0 Lima fmamml by and 1101 Emmi Mia u A M gt ltgt EC mm Ezaxb I 241 M Component forms 3393 axbxaybyazbz xB aybz byaz aszbzaxj axby bxayk Fri August 24m 15 lt5 V c a b d 9 Copyright 2004 Pearson Education Inc publishing as Addison Wesley a b gt A A x l 2 A1 1 V gt 739 x J Parglleloggam A2 ofA1 and A2 V KIKZK3 Pgrallelogram 9f A1 A2 and A3 Q Rx d e Copyrighl Q 2004 Pearson Educanion Inc publishing us Addison Wesicy b c d e V39UV SL m N a b c d e x cm Cx 3 cm Cy 1 cm Cx 4 cm Cy 2 cm Cx 2 cm Cy 1 cm Cx 3 cm Cy 1 cm Cx 1 cm Cy 1 cm 5050 J Frn 14th hm m 13M 39 7C 1 1 1 I I x CHI 4 3 2 1 1 1 O A Cx 3 cm Cy 1 cm B Cx 4cmC2cm C Cx 2 cm Cy 1 cm D Cx 3 cm Cy 1 cm E Cx 1 cm Cy 1 cm HRW322 An explorer is caught in a blizzard while returning to base camp He was supposed to travel due north for 56 km but when the snow clears he discovers that he actually traveled 78 km at 50 north of due east v How far and in what direction must he new travel to reach base camp Fri August 24th 22 Worked out example emphasizing using symbols for problem solutions HRW Chapter 3 question 22 Step 1 Draw diagram Step 2 De ne variables on diagram Step 3 Write down concept you will use to solve the problem Step 4 Solve the problem algebraically Step 5 Plug in numerical values Fri August 24m 23
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