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Home Q & A Board Science-Related Homework Help Physics
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tankster tankster
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7 years ago
A rocket is fired in a gravity-free environment in deep space. The rocket has an initial mass of 8000 kg and ejects gas with a velocity of 2000 m/s. How much gas must be ejected in the first second to give the rocket an acceleration of 30.0 m/s2?
A) 120 kg
B) 7.50 kg
C) 15.0 kg
D) 12.0 kg
E) 150 kg
Textbook 
Physics

Physics


Edition: 4th
Author:
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mtown88mtown88
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7 years ago
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4 years ago
Thanks
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