Ответ:
Объяснение:
Vcp = 2S/(t1+t2) = 2S/( √(2S/a1)+√(2S/a2) ) = √(2S) /( 1/√a1+1/√a2 ) =
= √(2*12) /( 1/√2+1/√1 ) = 2,869 м/с ≈ 2,87 м/с
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Ответ:
Объяснение:
Vcp = 2S/(t1+t2) = 2S/( √(2S/a1)+√(2S/a2) ) = √(2S) /( 1/√a1+1/√a2 ) =
= √(2*12) /( 1/√2+1/√1 ) = 2,869 м/с ≈ 2,87 м/с