To lift the bag straight up takes (F · D) = (45 · 1.2) = 54 joules of energy (work).
Moving the bag horizontally 'across' gravity requires no work.
It doesn't matter how far.
I think the correct answer would be <span>Particle A orbits the nucleus, and Particle B is located in the nucleus. I think Particle A represents the electrons while B represents protons and neutrons. Hope this answers the question. Have a nice day.</span>
Direction from A to B divided by time(30s)
<span>The answer would be, C. The reactions go to completion</span>