A rocket with a mass of 2.75 X 106 kg exerts a

Chapter 4, Problem 4.21

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A rocket with a mass of 2.75 X 106 kg exerts a verticalforce of 3.55 X 107N on the gases it expels. Determine (a)the acceleration of the rocket, (b) its velocity after 8.0 s, and(c) how long it takes to reach an altitude of 9500 m. Assumeg remains constant, and ignore the mass of gas expelled (notrealistic).

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