Answered: A 45.0-kg person steps on a scale in an…

A 45.0-kg person steps on a scale in an elevator. The scale reads 430 N. What is the acceleration of the elevator? We choose +y upward. 9.80 m/s 2 -0.244 m/s 2 -0.422 m/s 2 0.422 m/s 2 0.244 m/s 2

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

Question

A 45.0-kg person steps on a scale in an elevator. The scale reads 430 N. What is the acceleration of the elevator? We choose +y upward.
9.80 m/s 2
2
-0.244 m/s
-0.422 m/s
2
0.422 m/s
0.244 m/s 2

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