NT3E-WWT36: VELOCITY VS. TIME The graphs show the velocity versus time for two boats traveling along a narrow channel that runs east to west. The scales on both axes are the same for the two graphs, and east is positive. In each graph, a point is marked with a dot. A student who is asked how the acceleration at the marked point for the object in graph A compares to the acceleration at the marked point for the object in graph B states: GRAPHS-ACCELERATION A Velocity Time B Velocity -Time "I think that at the marked point the boat in graph B has the larger acceleration because the boat in graph A is at rest and its acceleration is zero." What, if anything, is wrong with this student's contention? If something is wrong, identify it, and explain how to correct it. If it is correct, explain why.
NT3E-WWT36: VELOCITY VS. TIME The graphs show the velocity versus time for two boats traveling along a narrow channel that runs east to west. The scales on both axes are the same for the two graphs, and east is positive. In each graph, a point is marked with a dot. A student who is asked how the acceleration at the marked point for the object in graph A compares to the acceleration at the marked point for the object in graph B states: GRAPHS-ACCELERATION A Velocity Time B Velocity -Time "I think that at the marked point the boat in graph B has the larger acceleration because the boat in graph A is at rest and its acceleration is zero." What, if anything, is wrong with this student's contention? If something is wrong, identify it, and explain how to correct it. If it is correct, explain why.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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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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Displacement, Velocity and Acceleration
In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.
Linear Displacement
The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.
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What, if anything, is wrong with this student's contention? If something is wrong, identify it, and explain how to correct it. If it is correct, explain why. Show all work
Transcribed Image Text:NT3E-WWT36: VELOCITY VS. TIME GRAPHS-ACCELERATION
A Velocity
The graphs show the velocity versus time
for two boats traveling along a narrow
channel that runs east to west. The scales
on both axes are the same for the two
graphs, and east is positive. In each graph,
a point is marked with a dot. A student
who is asked how the acceleration at the
marked point for the object in graph A
compares to the acceleration at the marked point for the object in graph B states:
Time
B
Velocity
Time
"I think that at the marked point the boat in graph B has the larger acceleration because the boat in
graph A is at rest and its acceleration is zero."
What, if anything, is wrong with this student's contention? If something is wrong, identify it, and
explain how to correct it. If it is correct, explain why.
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