Rotation Speed of Pulley - Introductory Physics - Solved Paper, Exams of Physics

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Physics 8A Section 2 Midterm #2 Pad tee Your name November 7, 2002 210 (Shahed) Ri ji-i2pm Discussion session number / GSI name 1) DON’T OPEN THIS EXAM UNTIL INSTRUCTED TO BEGIN 2) Sit one seat away from anyone else. 3) Do all your work on the page (front/back) indicated for each problem. 4) Show all work; don’t just write an answer without showing your reasoning. 5) This is a closed book exam but calculators are allowed. 6) To simplify the math, take the acceleration due to gravity as g = 10 m/s”. 7) Possibly useful equations include: F =dp/dt=ma T=1,,, + mh? p=mv K=1/2I10° Femy/r F/A =E 6L/L K=Xptvyt+ lat F=GM,m/r’ We Pk F=-dU/dx U=mgh G=7x10"Nm?/ke? K=12mv Veccape = (2 GM, / R,)!? t=Ila Mun = 6 x 10" kg l=mr Reain = 6X 10m t=rxF =dL/dt ‘ vy, A,=¥2 A, L=Io p+l/2pv?+pgy=constant veor 1 atmosphere = 10° Pa aear p (H,O) =1 g/cc SCORING - we'll handle this space : ) 1) 20 a DY 3) 4) 3) TOTALI