2) A=F*h=m*g*h F=m*g=A/h
3) m1/m2=3.5/1=3.5
4) h=g*t²/2=10*25/2=125 м A=m*g*h=1*10*125=1250 Дж
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2) A=F*h=m*g*h F=m*g=A/h
3) m1/m2=3.5/1=3.5
4) h=g*t²/2=10*25/2=125 м A=m*g*h=1*10*125=1250 Дж
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