q2 - r which are taken in with a velocity with respect to...

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Chapter 1, Question 2: Rock(-Breathing) Propulsion
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Chapter 1, Question 2 Answer: The correct answer is 1) F=Rm r (u out -u in ). The force is equal to the time rate of change of momentum. The impulse is provided by the difference between a mass flow rate of rocks (Rm
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Unformatted text preview: r ) which are taken in with a velocity with respect to the boat of u in , and a mass flow rate of rocks (Rm r ) which are ejected with a velocity with respect to the boat of u out . Class response (2004): Class response (2003): Class response (2001):...
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q2 - r which are taken in with a velocity with respect to...

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