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Solve the all parts of given question:

Question: On a planet in a solar system far from ours, you release a rock from rest at a height of 16 m above the surface of the planet and you find that it takes the rock 3 seconds to reach the surface. Air resistance can be neglected. The mass of the planet is 8 x 1025 kg.

Question I: What is the radius of the planet?

Please show all work and clearly explain. Thank you.

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Category:- Physics
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