A 76 kg astronaut floating inspace in a 111 kg MMU (mannedmaneuvering unit) experiences an acceleration of 0.035 m/s2 when he fires one of theMMU's thrusters.
(a) If the speed of the escaping N2 gas relative tothe astronaut is 491 m/s, how much gasis used by the thruster in 4.6s?
(b) What is the thrust of the thruster?