Question

F10.5 N 12.0 cm F-10.5 N 31.0 cm Figure 1: The diagram for problem 3 showing a disks movement with a string wrapped around i
(b) How much rotational kinetic energy does the disk have at this instant? (5 points) Kor-2I NE-0.120 N wne Tarse MR 2 earO.1
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Answer #1

2 work done in pulling the string is equal to Kinetic energy I disk W=KE F d = I mv 10.5*0.12 = 1 x 2.6*V V= (2.92 = 10.98 45

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