Предмет: Физика, автор: GSV

По твердому стержню распространяется продольная волна со скоростью с=2,43км/с. Определить модуль Юнга Е вещества, из которого изготовлен стержень, если известна его плотность равная 9,7г/см3.

Ответы

Автор ответа: Гоша68
0

с=sqrt(E/p)

E=c^(2)*p

p=9700 кг/м^(3)

c=2430 м/c

E=57277530 кПа~57,3 ГПа

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quite – достаточно
also - также
elder – старший
younger – младший
both – оба

2. Вставьте в обычные пропуски нужную форму глагола to be (am, is, are), а в подчеркнутые - нужные формы притяжательных местоимений (my, your, his, her, our, their).
Пример: My name is Sandra Lomb.
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a play – пьеса
in common – общий
helping others – помощь другим
along with – вместе с
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