Jawaban:
diketahui:
A = 3 cm
T = 5 s
θ = 0°
1)
ω = 2π/T
= 2π/5
= ⅖π rad/s
y = A sin(ωt + θ)
y = 3 sin(⅖πt)
2)
v = Aω cos(ωt + θ)
= 3(⅖π) cos(⅖πt)
= 6π/5 cos(⅖πt)
3)
a = -Aω² sin(ωt + θ)
= -3(⅖π)² sin(⅖πt)
= -12π²/25 sin(⅖πt)
4)
y max saat sin(ωt + θ) = 1
y max = A
= 3 cm
5) v max saat cos(ωt + θ) = 1
v max = Aω
= 3 × ⅖π
= 6/5 π cm/s
6) a max saat sin(ωt + θ) = -1
a max = Aω²
= 3(⅖π)²
= 12/25π² cm/s²
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Jawaban:
diketahui:
A = 3 cm
T = 5 s
θ = 0°
1)
ω = 2π/T
= 2π/5
= ⅖π rad/s
y = A sin(ωt + θ)
y = 3 sin(⅖πt)
2)
v = Aω cos(ωt + θ)
= 3(⅖π) cos(⅖πt)
= 6π/5 cos(⅖πt)
3)
a = -Aω² sin(ωt + θ)
= -3(⅖π)² sin(⅖πt)
= -12π²/25 sin(⅖πt)
4)
y max saat sin(ωt + θ) = 1
y max = A
= 3 cm
5) v max saat cos(ωt + θ) = 1
v max = Aω
= 3 × ⅖π
= 6/5 π cm/s
6) a max saat sin(ωt + θ) = -1
a max = Aω²
= 3(⅖π)²
= 12/25π² cm/s²