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Verified answer
Dik : r1 = 20 cmr2 = 10 cm
ω1 = 50 rad/s
Ditanya : ω2 =____?
20/50 = 10/x
20x = 500
x = 500/20 =25 rad/s
maka , kecepatan sudut roda kedua adalah = 25 rad/s