a person is standing on a scale placed on the floor of an elevator. at time t1, the elevator is at rest and the reading on the scale is 500n. at a later time t2, the person is still standing on the scale and the reading on the scale is 400n . based on the scale readings, which of the following statements about the motion of the elevator could be true at time t2?
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a person is standing on a scale placed on the floor of an elevator. at time t1, the elevator is at r...
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