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wiki0629
@wiki0629
March 2022
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Помогите с физикой помогите умоляю все 4 задачи
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krop40
Verified answer
1. A=Fs
s=A/F =5200000/6500=52000/65 = 800 м
P=A/t = 5200000/30=173333.33 Вт
2. F1L1=F2L2
25 L = 15*15
L=9 см
3. mv^2/2=Fт*s
Fт=mv^2/2s
Fт=0,5*400/2*100=1 H
4. ККД=Ак/Аз
ККД=mgh/Aз
ККД=50*10*1.2/1000=0,6=60%
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wiki0629
саасибо
wiki0629
спасибо
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Answers & Comments
Verified answer
1. A=Fss=A/F =5200000/6500=52000/65 = 800 м
P=A/t = 5200000/30=173333.33 Вт
2. F1L1=F2L2
25 L = 15*15
L=9 см
3. mv^2/2=Fт*s
Fт=mv^2/2s
Fт=0,5*400/2*100=1 H
4. ККД=Ак/Аз
ККД=mgh/Aз
ККД=50*10*1.2/1000=0,6=60%