Suppose you are in an elevator that is moving upward. as the elevator nears the floor at which you will get off, its speed slows down. during this time when the elevator is moving upward with decreasing speed, your weight will be

Less than your normal weight at rest

Explanation:

When the elevator is moving upwards with decreasing speed it means that the elevator is decelerating, thus the weight is lower than normal even though you are being pulled down with gravity acceleration.However, remember that your normal force is equal to your weight when the elevator is accelerating upwards,  you feel a little heavier than usual and a little litter if the elevator is accelerating downwards.

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mass and volume are the answers you are looking for