h1=g*t^2\2
h2=Vо*t+gt^2\2
h2-h1=Vо*t
Vo=(h2-h1)\t
t=√2h1\g=√2 c
Vо=10\√2=7,07 м\с
Первое тело:
H=g*t²/2
t=√ (2*H/g) = √(2*10/10)=√2 c
Второе тело:
H₂=Vo*t+g*t²/2
Vo=(H₂-g*t²/2) / t = (20-10*2/2)/√2 = 10/√2 ≈ 7 м/с
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Answers & Comments
h1=g*t^2\2
h2=Vо*t+gt^2\2
h2-h1=Vо*t
Vo=(h2-h1)\t
t=√2h1\g=√2 c
Vо=10\√2=7,07 м\с
Verified answer
Первое тело:
H=g*t²/2
t=√ (2*H/g) = √(2*10/10)=√2 c
Второе тело:
H₂=Vo*t+g*t²/2
Vo=(H₂-g*t²/2) / t = (20-10*2/2)/√2 = 10/√2 ≈ 7 м/с