An empty semi-truck sits on the scale of a weighing station. it is then loaded with 100 irritated pigeons. these two events then happen in sequence. a) first, the super irritated pigeons just stand on the floor of the truck. b) second, they take flight inside the truck. they all fly in the enclosed space such that they do not collide with each other or the walls/ceiling/floor. is the reading on the scale different in a) versus b)? does the reading on the scale change during the transition of these events?
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An empty semi-truck sits on the scale of a weighing station. it is then loaded with 100 irritated pi...
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