Download Chapter 1, Question 1: Rock(et) Propulsion

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Chapter 1, Question 1:
Rock(et) Propulsion
Chapter 1, Question 1 Answer:
The correct answer is 1) F=Rmrur.
The force is equal to the time rate of change of momentum. The impulse is
provided by a net mass flow rate of rocks (Rmr) which are ejected with a
velocity with respect to the boat of ur.
Class response (2004):
Class response (2003):
Class response (2001):