F=G*m1*m2/r^2
F=G*3m1*m2/(r/3)^2 =G*3m1*m2/(r^2/9)=G*3*9 *m1*m2/r^2= G*27 *m1*m2/r^2
т. е увеличится в 27 раз
T1=550+273=823 K T2=37+273 K
n=?
n=(T1-T2)/T1=(823-310)/823=0.62 (62%)
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