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Materi : Kecepatan Sudut SesaatKelas : XI SMA
Kategori : Fisika
Pembahasan :
θ = 2t² - 3t + 10
ω = dθ/dt = d(2t² - 3t + 10)/dt
ω = (4t - 3) rad/s
Pada saat t = 2 s
→ ω = (4 . 2 - 3) rad/s
→ ω = 5 rad/s