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Conservation of Potential Energy due to Gravity

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Two baseballs, each with a mass of 0.122 kg, are separated by a distance of 950 m in outer space. If the balls are released from rest, what speed (in m/s) do they have when their separation has decreased to 370 m? Ignore the gravitational effects from any other objects.

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Note, the gravitational potential is for the entire system, not ...

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