8.61 .. A 70-kg astronaut floating in space in a 110-kg MMU (manned maneuvering unit) experiences an acceleration of 0.029 m>s2 when he fires one of the MMU’s thrusters. (a) If the speed of the escaping N2 gas relative to the astronaut is 490 m>s how much gas is used by the thruster in 5.0 s? (b) What is the thrust of the thruster?

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Question source: “University Physics with Modern Physics by Hugh Young and Roger Freedman

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