ω₀ = 3π rad/s
ω = 13π rad/s
t = 10 s
Banyak putaran ?
ω = ω₀ + α.t
13π = 3π + α.10
10.α = 10π
α = π rad/s
θ = ω₀.t + 1/2.α.t²
θ = 3π. 10 + 1/2. π.100
θ = 80π rad
1 putaran = 2π rad
Banyak putaran
= 80π/2π
= 40 putaran.
Jawaban. E
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ω₀ = 3π rad/s
ω = 13π rad/s
t = 10 s
Banyak putaran ?
ω = ω₀ + α.t
13π = 3π + α.10
10.α = 10π
α = π rad/s
θ = ω₀.t + 1/2.α.t²
θ = 3π. 10 + 1/2. π.100
θ = 80π rad
1 putaran = 2π rad
Banyak putaran
= 80π/2π
= 40 putaran.
Jawaban. E
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