gc textbook chapter 8 Rotational Motion (id: 3b8531213)

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本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 unclassified

[填空题]
Estimate the kinetic energy,aiotq r)o vlfr;ehze8-7 c0+t1 p4kc * 65j xp8ket;e.8gsqwmf6p xk of the Earth with respect to the Sun as the sum of two ter8st pg 6;6kwx p85.fkejmqx*ems,
(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

参考答案:
空格1: 2.6±2%  空格2: 2.7±2%  空格3: 2.6±2% 


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