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Verified answer
Nomor 7y = 0,1 sin 4πt
A = 0,1 m
ω = 4π rad/s
nomor 8
y = 50 sin 20π t
A = 50 cm => Amplitudo
ω = 20π rad/s
T?
f?
penyelesaian:
periode:
T = 2π / ω
T = 2π / 20π
T = 1 / 10
T = 0,1 sekon
frekuensi:
f = 1 / T
f = 1 / 0,1
f = 10 Hz