January 2019 1 538 Report
Roda I dengan jari jari 50cm dan roda II berjari jari 20cm,berputar saling bersinggungan.apabila roda I berputar dengan kelajuan sudut(20/phi)puritan per senin,kelajuan linear roda II sebesar...
a.5 phi m/s
b.20 m/s
c.20 phi m/s
d.30 phi m/s
e.40 m/s

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