The car initially at x = 0 and driving in the negative direction, begins braking at a constant acceleration. Graph a(t), v(t), and x(t) vs t using the GeoGebra simulation below. This activity is qualitative and you only need to get the signs of the initial values, slopes of the curves, and nature of the curvature of the plots correct. Think & Prepare For each graph: 1. What are the initial values/signs (positive, negative, or zero) of position, velocity, and acceleration? 2. What are the end values/signs (positive, negative, or zero) of position, velocity, and acceleration? 3. If the graph is a flat line, is its value positive, negative, or zero? 4. If the graph is linear, is its y-intercept positive, negative, or zero? What about the slope? 5. If the graph is a parabola, where is the initial point and vertex of the parabola? How is the curvature of the parabola? Is the parabola initially changing (increase or decrease) slowly and then faster? Or, the parabola initially changing (increase or decrease) fast and then slower?
The car initially at x = 0 and driving in the negative direction, begins braking at a constant acceleration. Graph a(t), v(t), and x(t) vs t using the GeoGebra simulation below. This activity is qualitative and you only need to get the signs of the initial values, slopes of the curves, and nature of the curvature of the plots correct. Think & Prepare For each graph: 1. What are the initial values/signs (positive, negative, or zero) of position, velocity, and acceleration? 2. What are the end values/signs (positive, negative, or zero) of position, velocity, and acceleration? 3. If the graph is a flat line, is its value positive, negative, or zero? 4. If the graph is linear, is its y-intercept positive, negative, or zero? What about the slope? 5. If the graph is a parabola, where is the initial point and vertex of the parabola? How is the curvature of the parabola? Is the parabola initially changing (increase or decrease) slowly and then faster? Or, the parabola initially changing (increase or decrease) fast and then slower?
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter2: Vectors
Section: Chapter Questions
Problem 33P: A trapper walks a 5.0-km straigt4ine distance from his cabin to the lake, as shown in the following...
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