12/3/10 1 Physics 12112/3/10 2 Physics 12112/3/10 3 Physics 121 10.1 10.2 10.3 10.4 BX 21% A 94% D>U>L=R 27% SAME 19% BY 4% B 3% D>L=R>U 24% DIFF 81% CX 39% C 3% D=L=R>U 2% CY 3% U>L=R>D 14% CZ 20% D=L=R=U 5% U>D=L=R 2%12/3/10 4 Physics 12112/1/10 5 Physics 12112/1/10 6 Physics 12112/1/10 7 Physics 12112/1/10 10 Physics 121 m1T1= m2T2m1(Tf T1) = m2(T2 Tf)m1Tf m1T1= m2T2 m2Tfm1Tf+ m2Tf= m1T1+ m2T2Tf=m1T1+ m2T2m1+ m2=m1M T1+m2M T2the changes in temp are opposite— one goes up the other goes down12/1/10 11 Physics 121 2211TmTm =12/1/10 12 Physics 12112/1/10 14 Physics 121 222111TcmTcm =12/1/10 15 Physics 121 TCQ =mcC =12/1/10 16 Physics 12112/1/10 17 Physics 121 2211222111222111222111222222111111)()()()()()(cmcmTcmTcmTTTcmTTcmTTcmTTcmTTcmTcmQTTcmTcmQfffifififif++=======12/3/10 18 Physics 12112/3/10 19 Physics 121 Q =±mcT12/3/10 20 Physics 12112/3/10 21 Physics
View Full Document