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θ = 1
ωt = 0 rad/s
ω₀ = ..........?
Penyelesaian :
ωt² = ω₀² - 2αθ
0² = ω₀² - 2 • 0,21 • 1
0 = ω₀² - 0,42
0,42 = ω₀²
ω₀ = √0,42
ω₀ = 0,65 rad/s
Jadi, kecepatan sudut awalnya adalah 0,65 rad/s