Answered: Which ones apply

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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Which ones apply

Expert Solution

Step 1

In the motion diagram shown in A, the points are equidistant from each other. This means that the object A is covering equal distances in equal intervals of time or object A is moving with a constant speed. Therefore, the option 1 is false.

Step 2

In the motion diagram shown in B, the points are clustered towards the end. This implies B is decelerating and hence the distance covered in the same interval of time reduces. Since the acceleration of A is zero, and B has negative acceleration, option 2 is true- B has a smaller acceleration than A.

Clearly, B is decelerating, i.e., its speed reduces with time. Therefore option 4 is false.

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