Neglect air resitance. find rocket''s kinetic energy when, Ask an Expert

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A 150 kg rocket moving radially outward from Earth has a speed of 3.7 km/s when its engine shuts off 200 km above Earth's surface

a. Neglect air resitance. Find rocket's kinetic energy when the rocket is 1000 km above Earth's surface

b. What is the max heigh that the rocket reaches.

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