Two packages at UPS start sliding down the 20° ramp shown in the figure. Package A has a mass of 4.50 kg and a coefficient of kinetic friction of 0.190. Package B has a mass of 9.00 kg and a coefficient of kinetic friction of 0.170. (Figure 1) You may want to review (Page 159). For help with math skills, you may want to review: Vector Components

Two packages at UPS start sliding down the 20° ramp shown in the figure. Package A has a mass of 4.50 kg and a coefficient of kinetic friction of 0.190. Package B has a mass of 9.00 kg and a coefficient of kinetic friction of 0.170. (Figure 1) You may want to review (Page 159). For help with math skills, you may want to review: Vector Components

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

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.

Question

Two packages at UPS start sliding down the 20° ramp shown in the figure. Package A has a mass of 4.50 kg and a coefficient of kinetic friction of 0.190. Package B has a mass of 9.00 kg and a coefficient of kinetic friction of 0.170.

You may want to review [Page 159].

For help with math skills, you may want to review: [Vector Components](#).

**Figure Explanation:**

The figure shows a diagram of two packages, labeled A and B, placed on a ramp inclined at 20° to the horizontal. The ramp is 2 meters long. Package A is positioned in front of Package B further down the slope.

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