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Ball on a String M-d5d
Attach a lightweight ball to a string and twirl Fishbane Chapter:   3.5 HRW 9th:   6.05 Reese Chapter:   4.5 RHK 5th:   4.5 SJ 3rd Chapter:   3.4 PIRA DCS classification:   1D50.10

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Physics Lecture Demonstrations at the Department of Physics and Astronomy
The Johns Hopkins University