Ответ:
S1=a1*t^2/2
m1*a1=F
S2=а2*t^2/2
(m1+m2)*a2=F
m1-?
a1=(F/m1)=2S1/t^2
a2=(F/(m1+m2)2S2/t^2
S1/S2=(m1+m2)/m1=1+m2/m1
m1=m2/(S1/S2-1)=0,2/(0,4/0,2-1)кг=0,2 кг
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Ответ:
S1=a1*t^2/2
m1*a1=F
S2=а2*t^2/2
(m1+m2)*a2=F
m1-?
a1=(F/m1)=2S1/t^2
a2=(F/(m1+m2)2S2/t^2
S1/S2=(m1+m2)/m1=1+m2/m1
m1=m2/(S1/S2-1)=0,2/(0,4/0,2-1)кг=0,2 кг