Ответ:
А=F×S
F=k×(x2 - х1)
S=20cм=0.2м
А= 120 × 0.1 × 0.2 = 2.4Дж
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Ответ:
А=F×S
F=k×(x2 - х1)
S=20cм=0.2м
А= 120 × 0.1 × 0.2 = 2.4Дж