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Question

The escape velocity from a planet is 11.2 km/s. What is

the minimum kinetic energy per kg needed to escape? 1. 6.3 x 107 J/ Kg 2. 1.2 x 108 J/ Kg 3. 5 x 107 J/ Kg 4. 2 x 107 J/Kg

A 1

B 2

C 3

D 4

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