- 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. 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.
- What is the combined angular momentum of the masses?
- 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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