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alyonanesterovich
@alyonanesterovich
July 2022
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Ребята, помогите решить задачу по физике №14, ОЧЕНЬ срочно. Заранее спасибо
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fatt52
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V=N/Na N=v*Na=3*6*10^23=1.8*10^24______ N=1.8
===
m=v*M=3*0.03=0.09 ____________________ m=0.09 кг
===
mo=m/M=0.09/(1.8*10^24)=5*10^-26 кг ________ mo=5
===
E=(3/2)*k*T T=2*E/(3*k)=2*11.1*10^-21/(3*1.38*10^-23)=536 K __ T=536
===
p=n*k*T n=p/(k*T)=7.4*10^5/(1.38*10^-23*536)=10^26 ____ n=1
===
V=N/n=1.8*10^24/10^26=0.018 м3 _________ V=0.018
===
E=m0*v²/2 v=√(2*E/mo)=√(2*11.1*10^-21/5*10^-26)=666 м/с ___ v=666
========================================================
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Verified answer
V=N/Na N=v*Na=3*6*10^23=1.8*10^24______ N=1.8===
m=v*M=3*0.03=0.09 ____________________ m=0.09 кг
===
mo=m/M=0.09/(1.8*10^24)=5*10^-26 кг ________ mo=5
===
E=(3/2)*k*T T=2*E/(3*k)=2*11.1*10^-21/(3*1.38*10^-23)=536 K __ T=536
===
p=n*k*T n=p/(k*T)=7.4*10^5/(1.38*10^-23*536)=10^26 ____ n=1
===
V=N/n=1.8*10^24/10^26=0.018 м3 _________ V=0.018
===
E=m0*v²/2 v=√(2*E/mo)=√(2*11.1*10^-21/5*10^-26)=666 м/с ___ v=666
========================================================