х=0,3cos (πt + π/4)
циклическая частота равна π, π=√(g/l)
l=w²/g;
l=π²/10=10/10=1/м/
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х=0,3cos (πt + π/4)
циклическая частота равна π, π=√(g/l)
l=w²/g;
l=π²/10=10/10=1/м/