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find the average velocity between 1s and 6.5 s. possible answers: a.-0.73 m/s b.+1.4 m/s c.+0.73 m/s d.-1.4 m/s

find the average velocity between 1s and 6.5 s. possible answers: a.-0.73 m/s b.+1.4 m/s c.+0.73 m/s d.-1.4 m/s

College Physics
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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find the average velocity between 1s and 6.5 s. possible answers: a.-0.73 m/s b.+1.4 m/s c.+0.73 m/s d.-1.4 m/s
### Position vs. Time Graph: Analyzing Motion #### Description The graph above represents the position (x) in meters (m) versus time (t) in seconds (s) for an object's motion. There are two different curves on the graph: 1. **Green Line**: Represents a linear motion where the position changes at a constant rate over time. The line starts at the position 12 meters when time is equal to 0 seconds and decreases steadily until it reaches 0 meters at approximately 3.5 seconds. 2. **Red Curve**: Demonstrates a more complex motion. The object's position starts at 12 meters at 0 seconds, decreases until it reaches its minimum point around 3.5 seconds, and then increases again up to around 8 meters at 6 seconds. #### Key Points: - **Linearity (Green Line)**: The green line indicates a uniform motion with constant velocity. This is because the slope is constant. A steady decrease shows that the object is moving in a negative direction (downward slope). - **Non-Linearity (Red Curve)**: The red curve describes a variable motion where the object decelerates, stops momentarily, and then accelerates in the positive direction. - The downward slope from 0 to about 3.5 seconds indicates deceleration. - The upward curve after approximately 3.5 seconds indicates acceleration after reaching the minimum position. #### Usage in Educational Context: Graphs like this are essential in understanding different types of motion in physics. The contrast between the linear and nonlinear movements can help students distinguish between constant velocity and variable acceleration. This visual aid helps clarify the concepts of kinematics, such as initial velocity, direction of motion, and changes in velocity over time. By studying and comparing these graphs, students can gain insights into: - **Constant Velocity**: Straight lines representing a uniform rate of position change. - **Acceleration and Deceleration**: Curved lines depicting increasing or decreasing velocity, respectively. Understanding these fundamental concepts is crucial in physics education and can be supported further by practice problems and real-life example comparisons.
Transcribed Image Text:### Position vs. Time Graph: Analyzing Motion #### Description The graph above represents the position (x) in meters (m) versus time (t) in seconds (s) for an object's motion. There are two different curves on the graph: 1. **Green Line**: Represents a linear motion where the position changes at a constant rate over time. The line starts at the position 12 meters when time is equal to 0 seconds and decreases steadily until it reaches 0 meters at approximately 3.5 seconds. 2. **Red Curve**: Demonstrates a more complex motion. The object's position starts at 12 meters at 0 seconds, decreases until it reaches its minimum point around 3.5 seconds, and then increases again up to around 8 meters at 6 seconds. #### Key Points: - **Linearity (Green Line)**: The green line indicates a uniform motion with constant velocity. This is because the slope is constant. A steady decrease shows that the object is moving in a negative direction (downward slope). - **Non-Linearity (Red Curve)**: The red curve describes a variable motion where the object decelerates, stops momentarily, and then accelerates in the positive direction. - The downward slope from 0 to about 3.5 seconds indicates deceleration. - The upward curve after approximately 3.5 seconds indicates acceleration after reaching the minimum position. #### Usage in Educational Context: Graphs like this are essential in understanding different types of motion in physics. The contrast between the linear and nonlinear movements can help students distinguish between constant velocity and variable acceleration. This visual aid helps clarify the concepts of kinematics, such as initial velocity, direction of motion, and changes in velocity over time. By studying and comparing these graphs, students can gain insights into: - **Constant Velocity**: Straight lines representing a uniform rate of position change. - **Acceleration and Deceleration**: Curved lines depicting increasing or decreasing velocity, respectively. Understanding these fundamental concepts is crucial in physics education and can be supported further by practice problems and real-life example comparisons.
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