[填空题]
Estimate the kinetic energy of the Earth wiwsacrs s2.4xm8 vpj h;b-g4 d6th respect too:we)qhc/e+tgy-uuq 9 e 3 z)2u8zvle the Sun as the sum of tc)ulqv uez q9o+8zt3hw)u/ g-yee2 e:wo 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
