F=m*a=m*w^2*R=G*m*M/R^2
m*w^2*R=G*m*M/R^2
M=w^2*R^3/G=(2*pi/T)^2*R^3/G = (2*3,14/(3,14*10^7))^2*(1,5*10^11)^3/(6,67*10^(-11)) = <span>
2,024E+30 </span>кг ~
2*10^(30) кг
P=p*g*h
h=P/p*g=1600/800*10=0,2 м
A=q*U U=A/q=600/120=5 B A=I*U*t I=A/U*t=600/5*480=0,25 A
M=0.2 кг k=200 Н/м A=0.1 м W=? v=?
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W=k*A²/2=200*0.01/2=1 Дж
m*v²/2=W
v=√(2*W/m)=√(2*1/0.2)≈3.16 м/с
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