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chernyshovalizKA
@chernyshovalizKA
July 2022
1
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Помогите пожалуйста! Срочно! Физика,9 класс. 1.Х=0,05cos2πt(найти амплитуду, период, частота) 2.х=0,4sinπ/2t
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MaxikMK
Формулы:
x = A * cos(ωt);
x = A * sin(ωt);
ω = (2п)/T = 2пυ;
υ = 1/T; T = 1/υ.
1. x = 0,05 * cos(2пt);
A = 0,05;
T = (2п)/ω = (2п)/(2п) = 1 (с);
υ = 1/1 = 1 (Гц).
2. х = 0,4 * sin((п/2)t);
A = 0,4;
T = (2п)/ω = (2п)/(п/2) = 4 (с);
υ = 1/4 = 0,25 (Гц).
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Answers & Comments
x = A * cos(ωt);
x = A * sin(ωt);
ω = (2п)/T = 2пυ;
υ = 1/T; T = 1/υ.
1. x = 0,05 * cos(2пt);
A = 0,05;
T = (2п)/ω = (2п)/(2п) = 1 (с);
υ = 1/1 = 1 (Гц).
2. х = 0,4 * sin((п/2)t);
A = 0,4;
T = (2п)/ω = (2п)/(п/2) = 4 (с);
υ = 1/4 = 0,25 (Гц).