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Anastaia1607
@Anastaia1607
August 2022
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Пружина, растянутая на 2 см, когда ее отпустили, сократилась на 1 см. Определите работу слы упругости, если жесткость пружины равна 40 Н/м.
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милафка78
X1=2 x2=1 A=kx^2/2
A=k(x1-x2)^2/2= 40 * 0.01^2/2=0.002 Дж
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