1) S1=(V1+V2)*t=(2+10)*100=1200 м
2) S2=(V2-V1)*t=(10-2)*100=800 м
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Verified answer
1) S1=(V1+V2)*t=(2+10)*100=1200 м
2) S2=(V2-V1)*t=(10-2)*100=800 м
Verified answer
По течению реки∆v = v2 + v
∆v = 10 + 2 = 12 м\с
против течения реки
∆v' = v2 - v
∆v' = 10 - 2 = 8 м\с
1) s = ∆v * t
s = 12 * 100 = 1200 м
2) s' = ∆v' * t
s' = 8 * 100 = 800 м