Chapter 10307*P10.60The quantity of tape is constant. Then the area of the rings yousee it fill is constant. This is expressed byππππππrrrrrrtsss2222222−=−+−or rrrr2222=+−is theouter radius of spool 2.(a)Where the tape comes off spool 1, ω1=vr. Where thetape joins spool 2, 2212== +−−vrvrrrstej.(b)At the start, t=and s2=so 1=vrtand 2=vrs. Thetakeup reel must spin at maximum speed. At the end,s=and t2=so 2=vrtand 1=vrs. The angularspeeds are just reversed.rtrsvStartrr2vLaterFIG. P10.60P10.61(a)Since only conservative forces act within the system of therod and the Earth,
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