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The elevator stops and a person talks to you
Your weight (the force you feel at the soles of your feet) in an elevator traveling at any constant speed in anydirection would be the same at any instant as it would be if you were in that elevator in the same place, stopped. For practical purposes, it would be the same as it would be when you're standing on the ground. Technically, weight changes with altitude, but for any existing building the difference between your weight at the lowest and highest points of the building will be so slight as to be undetectable. You'd probably lose more weight due to evaporation of moisture in perspiration and exhaled breath during the elevator ride than you would due to the slight reduction in gravity resulting from your moving a bit further from the surface of the Earth.In order for your perceived weight to change, there has to be an acceleration. Constant speed/velocity is not acceleration. You would feel a change in weight as the elevator slowed down or sped up, but you would feel your "normal" weight once the elevator reaches constant speed/velocity.
step away from the door
if elevator provided with the overload protection you will get indication. if further load it starts moving and gains speed
It breaks, and you fall and die
It melts them slowly, drop by drop. Although this usually is more apparent on trees, it weathers the stone/plaster/building material. It usually isn't that apparent because buildings are so huge when put in comparison with the damage caused by acid rain, but it happens.
your mass is still the same
An event that happens without apparent cause.
Well, how i would think of it is that it would wobble around so much that the weight of the elevator would snap the rope that transports it up and down, and the elevator would fall to the bottom.
after an initial acceleration period,the elevator continues to move up with a constant speed.
the elevator for the hub starts to work
I assume you mean, the cables that sustain the elevator break.The coin will maintain its relative movement relative to the elevator. For example, if at the moment the elevator disconnects the coin is moving upward at 1 m/s (with respect to the elevator), it will continue going upward at the same speed (once again, with respect to the elevator), until it hits the ceiling. This is because both the elevator and the coin will accelerate downward at the same rate.