A rocket of initial mass 115 kg (including all the contents) has an engine that produces a constant vertical force (the thrust) of 1930 N . Inside this rocket, a 18.5-N electrical power supply rests on the floor.
A) Find the initial acceleration of the rocket.
B) When the rocket has reached an altitude of 120 m, how hard does the floor push on the power supply? Neglect the air resistance.
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