Question

Tolong ya sama caranya

Answer 1

37.Va=Vb
Wa.Ra=Wb.Rb
Wb=Wa (Ra/Rb)
Wb=15 (1/3Rb :Rb)
Wb= 5 rad/s (B)

38. W=2πf
300 rpm=2πf
300.2π/60=2πf
5.2π=2πf
jadi f=5 Hz (D)

39. Wa=Wb
Wa = Vb/Rb
Vb=Wa. Rb
Vb= 4.0,15=0,6 m/s (C)