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When a 45-kg person steps on a scale in an elevator, the scale reads a steady 410 N. Which of the ...

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When a 45-kg person steps on a scale in an elevator, the scale reads a steady 410 N. Which of the ...

When a 45-kg person steps on a scale in an elevator, the scale reads a steady 410 N. Which of the following statements must be true? (There could be more than one correct choice.)
A) The elevator is accelerating upward at a constant rate.
B) The elevator is accelerating downward at a constant rate.
C) The elevator is moving upward at a constant rate.
D) The elevator is moving downward at a constant rate.
E) From the given information, we cannot tell if the elevator is moving up or down.

Textbook

College Physics

Edition: 1^st

Authors: Etkina, Gentile, Van Heuvelen

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