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Verified answer
Diketahuhid = 20 cm
r = d = × 20 cm = 10 cm = 0,1 m
f = 5 Hz
ditanya
ω = ....?
v = ....?
jawab
ω = 2πf
ω = 2π(5 Hz)
ω = 10π rad/s
v = ωr
v = (10π rad/s)(0,1 m)
v = π m/s