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1. A particular planet has a moment of inertia of 9.74 1037 kgm2 and a mass of 5.98 1024 kg. Based on these values, what is the planet's radius?

1. 1.  A particular planet has a moment of inertia of 9.74 × 1037 kg•m2 and a mass of 5.98 × 1024 kg. Based on these values, what is the planet’s radius?
2. 2. Jessica stretches her arms out 0.6 m from the center of her body while holding a 2 kg mass in each hand. She then spins around on an ice rink at 1.1 m/s.
1. What is the combined angular momentum of the masses?
2. If she pulls her arms in to 0.15 m, what is her linear speed if the angular momentum remains constant?

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1)The inertial moment of the particular planet is:
I 2 2
mr
5 2
9.74 1037 5.98 1024 r 2
5
r 9.74 1037 5 6.4 106 m
2 5.98 10 24 The planet’s radius is 6.4 106 m 2)a)The inertial moment of the...

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