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Verified answer
Diket :Va = Vb
wb = 15rad/s
ra = 1/3r
rb = r
Jawab :
Va = Vb
Wa.ra = Wb.rb
wa = 15 x r/1/3r
wa = 3(15) x r/r
Wa = 45 rad/s
Maaf jika ada kesalahan :)