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12. A rocket ship of mass 1.00 x 104 kg is located 1.00 x 1010 m...

12. A rocket ship of mass 1.00 x 104 kg is located 1.00 x 1010 m from Earth’s centre.

            (a) Determine its gravitational potential energy at this point, considering only Earth.

            (b) How much kinetic energy must it have at this location to be capable of escaping from       Earth’s gravitational field?

            (c) What is its escape speed from Earth at this position?

Science   Advanced-Physics   
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