(a) Calculate the angular momentum of Earth that arises from its spinning motion on its axis, treating Earth as a uniform solid sphere.J S(b) Calculate the angular momentum of Earth that arises from its orbital motion about the Sun, treating Earth as a point particle.J S

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Asked Nov 6, 2019
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(a) Calculate the angular momentum of Earth that arises from its spinning motion on its axis, treating Earth as a uniform solid sphere.
J S
(b) Calculate the angular momentum of Earth that arises from its orbital motion about the Sun, treating Earth as a point particle.
J S
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(a) Calculate the angular momentum of Earth that arises from its spinning motion on its axis, treating Earth as a uniform solid sphere. J S (b) Calculate the angular momentum of Earth that arises from its orbital motion about the Sun, treating Earth as a point particle. J S

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Expert Answer

Step 1

Angular momentum is given by:

L = I*w

a.)

Here, I = moment of inertia about its center axis = (2/5)×Me×Re2

Where, Me = mass of earth = 5.97*1024 kg

Re = radius of earth = 6.371×106 m

Step 2

w = angular speed 

1rev
1hr
277
24hr 3600s \1rev
7.272x10 rad/s
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1rev 1hr 277 24hr 3600s \1rev 7.272x10 rad/s

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Step 3

Angular momentu...

L Ixa
xMex Re2c
2x5.98x1024 x (6.371x1062 x7.272x105
5
=7.06x1033Jsec
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L Ixa xMex Re2c 2x5.98x1024 x (6.371x1062 x7.272x105 5 =7.06x1033Jsec

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Science

Physics

Angular Motion

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