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Posisi sudut saat t= 2s
θ =6t² +2t + 2
θ(2) =6(2)² +2(2)+ 2
θ(2)=24 +4 + 2
θ(2)=30 rad
Kecepatan sudut (turunan)
θ =6t² +2t + 2
ω = 12t + 2
kecepatan sudut dari t =0 sampai t =2 s
ω = 12 (0) + 2 = 2 rad/s
ω = 12 (2) + 2 =26 rad/s
Δω = ( 26 + 2 ) /2 =14 rad/s
kecepatan sudut saat t =2
ω = 12t + 2
ω(2)= 12(2) + 2
ω(2)= 24 + 2
ω(2) = 26 rad/s