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Chapter 4, Problem 40


A 94.9-kg person stands on a scale in an elevator. What is the apparent weight when the elevator is (a) accelerating upward with an acceleration of 2.30 m/s^2, (b) moving upward at a constant speed, and (c) accelerating downward with an acceleration of 1.70 m/s^2?

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    a) m (9.8+2.3)

    b) m (9.9 -1.7)

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