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полина13141516171819
@полина13141516171819
July 2022
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ОЧЕНЬ СРОЧНО!!!!!!Помогите пожалуйста!!!
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fatt52
Verified answer
1) m=55 кг S1=0.1*10^-6 м2 p=3*10^6 Па n=?
===
p=F/S
F=m*g
S=n*S1
n=m*g/(p*S1)=55*10/(3*10^6*0.1*10^-6)≈1833 шт
===================
2) a=0.16 м m=11.3*10^3 кг p=1.2*10^6 Па g=9.8 м/с2 b=?
===
S=a*b
p=F/S=m*g/(a*b)
b=m*g/(a*p)=11.3*10^3*9.8/(0.16*1.2*10^6)≈0.58 м (58 см)
=================================================
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Answers & Comments
Verified answer
1) m=55 кг S1=0.1*10^-6 м2 p=3*10^6 Па n=?===
p=F/S
F=m*g
S=n*S1
n=m*g/(p*S1)=55*10/(3*10^6*0.1*10^-6)≈1833 шт
===================
2) a=0.16 м m=11.3*10^3 кг p=1.2*10^6 Па g=9.8 м/с2 b=?
===
S=a*b
p=F/S=m*g/(a*b)
b=m*g/(a*p)=11.3*10^3*9.8/(0.16*1.2*10^6)≈0.58 м (58 см)
=================================================