F = mg
F = 61 × 10 = 610 Н
А = FS
A = 610 × 2 = 1220 Дж
Ответ: 1220 Дж.
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F = mg
F = 61 × 10 = 610 Н
А = FS
A = 610 × 2 = 1220 Дж
Ответ: 1220 Дж.