[填空题]
Estimate the kinetic energy of the Earth wircl ako*.;yc/q2,9t b0rspnu th respect to *t(ery fy)uu;jccb-:7e ylt(+jl :r vthe Sun as the sum of two terms,ly7*-)c(rrv bjj (u;tecyuy+ l f :et: (a) that due to its daily rotation about its axis,$KE_{daily}$= $\times10^{29 }$ J (b) that due to its yearly revolution about the Sun. $KE_{yearly}$+ $\times10^{33 }$ J [Assume the Earth is a uniform sphere with $6 \times10^{ 24}$ kg and $6.4 \times10^{6 }$ m and is $1.5 \times10^{8 }$ km from the Sun.]$KE_{daily}$ + $KE_{yearly}$ = $ \times10^{33 }$ J
Post time 2025-2-18 20:00:22
