May 2019 1 208 Report
Jari-jari roda Ra = 25 cm, Rb = 15 cm, dan Rc = 40 cm. Jika roda C berputar dengan kecepatan sudut 60 putaran per menit, kecepatan sudut roda A adalah......rad/s.
a. 2,5Π (phi)
b. 3Π (phi)
c. 3,2Π(phi)
d. 3,5Π(phi)
e. 3,8Π(phi)
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