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lilya16251115f
@lilya16251115f
June 2023
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довжина хвилі 10 м, а частота 0,4 Гц. Яка швидкість поширення хвилі? (ПЖ СРОЧНО)
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yuliakl2018
Ответ:
Т=1/n=1/0.4=2.5c.
V=T/λ=2.5/10=0.25м/с
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Ответ:
Т=1/n=1/0.4=2.5c.
V=T/λ=2.5/10=0.25м/с