A 70 kg astronaut floating in space in a 110 kg mmu (manned maneuvering unit) experiences an acceleration of 0. 029 m/s^2 when he fires one of the mmu’s thrusters. 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?

Which of the following is an example of an opposing signal? no examplthates given.   i would say, that traffic lights in a city at major intersections direct the flow of traffic in opposite directions so would be an example.also, stop signs on either side of the same street would be an example. at a train crossing, the light for allowing car traffic in opposite directions or not would be another example.

A