A=6.3 см T=3.9 c φo=3 рад t=8.8 c x=?
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x(t)=A*sin(ω*t+φo)
ω=2*π/T
x(t)=6.3*sin(2*3.14*8.8/3.9 + 3)= - 6,26 см
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A=6.3 см T=3.9 c φo=3 рад t=8.8 c x=?
===
x(t)=A*sin(ω*t+φo)
ω=2*π/T
x(t)=6.3*sin(2*3.14*8.8/3.9 + 3)= - 6,26 см
===============================