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A person stands on a scale inside an elevator at rest (see the figure below)

Physics

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A person stands on a scale inside an elevator at rest (see the figure below). The scale reads W

 = 889 N.

(a) What is the person's mass? 90.652771334 kg Solved this already

 

(b) The elevator accelerates upward momentarily at the rate of a = 4 m/s². What does the scale read then? ______ N Need this one

 

(c) The elevator then moves with a steady speed of 6 m/s. What does the scale read now?

 ____ N Need this one