ch09. problems
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CH09. Problems. JH.131. R/2 behind, then mass is reduced by ½ which doubles the horizontal speed 2*R/2 = total. - PowerPoint PPT PresentationTRANSCRIPT
CH09.Problems
JH.131
R/2 behind, then mass is reduced by ½ which doubles the horizontal speed 2*R/2 = total