101217-opp - 12/17/10 Physics 121 1 12/17/10 Physics 121 2...

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Unformatted text preview: 12/17/10 Physics 121 1 12/17/10 Physics 121 2 12/17/10 Physics 121 3 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 12/17/10 #1 42% 96% 68% 55% 90%/68% 23%/64% 77% 61% 96% 94% #2 12% 96% 69% 97% 95% 74% 67% 18% 61% 14% Physics 121 #3 57% 85% 93% 87% 66% 82% 24% 46% 25% 14% #4 63% 60% 46% 19% 4 12/17/10 Physics 121 5 12/17/10 Physics 121 6 r v= t 12/17/10 v a= t Physics 121 7 a=F FA 12/17/10 Physics 121 B net m = FB A 8 12/17/10 Physics 121 9 T =k l fA fA static f AmaxB = μ AB N A B B kinetic = μ AB N A kinetic μ AB 12/17/10 B B not sliding sliding static μ AB Physics 121 GmM W= R 2 R mg 10 F net a= p = mv m I =F net t I=p 12/17/10 Physics 121 11 KE = 1 2 mv ( 12/17/10 1 2 Work = F 2 mv 2 ) =F Physics 121 net net r r 12 ( 1 2 mv 2 + U ) = Fnnet on U grav = mgh 12/17/10 cons r U spring = 1 k ( x ) 2 Physics 121 2 13 i m1v1i + m2v 2 = m1v1f + m2v 2f (m1v1) = 1 2 12/17/10 (m2v 2 ) mv + U ( ri ) = mv + U ( rf ) ( 2 i 1 2 1 2 mv + U ( r )) = 0 2 f 2 Physics 121 14 R= i 12/17/10 Physics 121 mi ri M 15 (radians) = = s = (radians) R v = R a = R 12/17/10 Physics 121 t t 16 aradial Fradial 12/17/10 Physics 121 v2 = R mv 2 = R 17 I= mi ri 2 i =R F F net =0 RE = 12/17/10 Physics 121 1 i 2 net mv = 2 ii =0 1 2 I 18 2 Fup = Fdown Fleft = Fright clockwise 12/17/10 = counter clockwise Physics 121 19 A B A cos Useful for finding Work. (Why?) A B = AB cos = Ax Bx + Ay B y A AB BA A B = AB sin = Ax B y 12/17/10 Physics 121 Ay Bx A sin B Useful for finding Torque. (Why?) 20 F = pA p0A W = mg p = p0 + 12/17/10 pA fluid gd Physics 121 21 Q = Av = constant 12/17/10 p = ZQ 8 μL Z= 2 A Physics 121 22 Q1 = Q2 Q = C T = mc T m1 T1 m2 T2 12/17/10 Q m1 Tf m2 Tf Physics 121 23 T = TH TC = heat flow (energy/sec) T=Z 1L Z= kA 12/17/10 Physics 121 24 ...
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This note was uploaded on 12/28/2011 for the course PHYSICS 121 taught by Professor Shawhan during the Spring '10 term at Maryland.

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