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m = 0.5 kg
r = 10 cm = 0.1 m
ω = 100 rad/s
L = . . . . . . ?
Penyelesaian
– Silinder Pejal –
L = I . ω
L = ½ . m . r² . ω
L = ½ . 0.5 . 0.1² . 100
L = (½ . 0.5) . (0.01 . 100)
L = 0.25 . 1
L = 0.25 kg m²/s
Jadi, momentum sudutnya adalah 0.25 kg m²/s (Jawaban B)