[填空题]
Estimate the kinetic energy of the Earth hxu*8s-.exst w,v gu v9k1jwn 3l:e-gct t4l+with respect to the Sun as the sum of two1:w9vn3tv4 -leu l w +gj,cktg terms, (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