Tolong bantu jawab buat besok Uas tentang GMB.... Question from @AxellianoRafael99

AxellianoRafael99 @AxellianoRafael99

May 2020 2 22 Report

Tolong bantu jawab buat besok Uas tentang GMB

josan90

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

0 votes Thanks 0

MasKibo $Diketahui \: =$

$ω \frac{}{0} = 3π \: rad/s$
$ω = 13π \: rad/s$
$t = 10 \: s$

$Banyak \: putaran ?$

$Dijawab = \:$

$ω = ω \frac{}{0} + α \times t$
$13π = 3π + α \times 10$
$10 \times α = 10π$
$α = π \: rad/s$

$θ = ω \frac{}{0} \times t + \frac{1}{2} \times α \times t {}^{2}$
$θ = 3π \times 10 + \frac{1}{2} \times π \times 100$
$θ = 80π \: rad$

$1 \: putaran = 2π \: rad$
$Banyak \: putaran =$
$\frac{80π}{2π}$
$40 \: putaran \: (e.)$

#semogamembantu
#salamanalis

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