A person stands on a scale inside an elevator at rest (see the figure below). The scale reads W = 724 N. (a) What is the person's mass? kg (b) The elevator accelerates upward momentarily at the rate of a = 4 m/s2. What does the scale read then? N (c) The elevator then moves with a steady speed of 7 m/s. What does the scale read now? N
A person stands on a scale inside an elevator at rest (see the figure below). The scale reads W = 724 N. (a) What is the person's mass? kg (b) The elevator accelerates upward momentarily at the rate of a = 4 m/s2. What does the scale read then? N (c) The elevator then moves with a steady speed of 7 m/s. What does the scale read now? N
Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter6: Circular Motion And Other Applications Of Newton's Laws
Section: Chapter Questions
Problem 15P: A person stands on a scale in an elevator. As the elevator starts, the scale has a constant reading...
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A person stands on a scale inside an elevator at rest (see the figure below). The scale reads W = 724 N.
(a) What is the person's mass?
kg
(b) The elevator accelerates upward momentarily at the rate of a = 4 m/s2. What does the scale read then?
N
(c) The elevator then moves with a steady speed of 7 m/s. What does the scale read now?
N
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