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Persamaan kecepatan sudut
ω = 24 - 6t
Persamaan percepatan sudut
α = ω'
α = -6 raf/s²
Percepatan tangensial
a = α R
a = (-6 rad/s²) (2 m)
a = - 12 m/s² ← jwb
a = α R
karena ω diketahui, maka α dicari dengan menurunkan ω dan diperoleh -6 rad/s²
a = -6 x 2 = -12 m/s²