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An astronaut is standing on the surface of a planetary satellite that has a radius of...

An astronaut is standing on the surface of a planetary satellite that has a radius of 1.74 × 10^6m and a mass of 7.35 × 10^22kg. An experiment is planned where a projectile needs to be launched straight up from the surface. What must be the minimum initial speed of the projectile so it will reach a height of 2.55 × 10^6m above this satellite's surface?

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