I have no idea how to do these two calculations. If you canplease help I would g

Question

I have no idea how to do these two calculations. If you canplease help I would greatly appreciate it (and rate). ThankYou
Consider the following. (a) Calculate the angular momentum of Earth that arises from itsspinning motion on its axis, treating Earth as a uniform solidsphere.
J·s

(b) Calculate the angular momentum of Earth that arises from itsorbital motion about the Sun, treating Earth as a pointparticle.
J·s I have no idea how to do these two calculations. If you canplease help I would greatly appreciate it (and rate). ThankYou
(a) Calculate the angular momentum of Earth that arises from itsspinning motion on its axis, treating Earth as a uniform solidsphere.
J·s

(b) Calculate the angular momentum of Earth that arises from itsorbital motion about the Sun, treating Earth as a pointparticle.
J·s

Explanation / Answer

(a) mass of the Earth: m=5.97*1024 kg mass of the Sun: M=2*1030 kg the angular momentum of Earth that arises from its spinning motionon its axis L=2/5*m*R2* =2/T=7.27*10-5 rad/s R=6380 km L=7.07*1033kgm/s (b) the angular momentum of Earth that arises from its orbitalmotion about the Sun L=m*r2*2/(365*24*3600) r=1.5*1011 m =>L=2.68*1040 kgm/s

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