The figure below shows a graph of vx versus t for the motion of a motorcyclist as he starts from rest and moves along the road in a straight line. A coordinate plane has a horizontal axis labeled t (s) and a vertical axis labeled vx (m/s). The curve enters the viewing field at the origin, moves up and to the right with a slope that increases and then decreases until it is briefly horizontal at the point (6,8). It continues to curve downward with a slope that decreases, then increases until it is horizontal again, and moves in a horizontal line from approximately (10,4) to (12,4). (a) Find the average acceleration for the time interval t = 0 to t = 4.0 s. Answer:______________m/s2 (b) Estimate the time at which the acceleration has its greatest positive value. Answer:____________s What is the value of the acceleration at that instant? Answer:___________m/s2 (c) When is the acceleration zero? Answer:Acceleration is zero when t =__________s and when t >______________ s. (d) Estimate the maximum negative value of the acceleration. Answer:___________m/s2 At what time does it occur? Answer:__________s
The figure below shows a graph of vx versus t for the motion of a motorcyclist as he starts from rest and moves along the road in a straight line. A coordinate plane has a horizontal axis labeled t (s) and a vertical axis labeled vx (m/s). The curve enters the viewing field at the origin, moves up and to the right with a slope that increases and then decreases until it is briefly horizontal at the point (6,8). It continues to curve downward with a slope that decreases, then increases until it is horizontal again, and moves in a horizontal line from approximately (10,4) to (12,4). (a) Find the average acceleration for the time interval t = 0 to t = 4.0 s. Answer:______________m/s2 (b) Estimate the time at which the acceleration has its greatest positive value. Answer:____________s What is the value of the acceleration at that instant? Answer:___________m/s2 (c) When is the acceleration zero? Answer:Acceleration is zero when t =__________s and when t >______________ s. (d) Estimate the maximum negative value of the acceleration. Answer:___________m/s2 At what time does it occur? Answer:__________s
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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The figure below shows a graph of vx versus t for the motion of a motorcyclist as he starts from rest and moves along the road in a straight line.
A coordinate plane has a horizontal axis labeled t (s) and a vertical axis labeled vx (m/s). The curve enters the viewing field at the origin, moves up and to the right with a slope that increases and then decreases until it is briefly horizontal at the point (6,8). It continues to curve downward with a slope that decreases, then increases until it is horizontal again, and moves in a horizontal line from approximately (10,4) to (12,4).
(a) Find the average acceleration for the time interval
(b) Estimate the time at which the acceleration has its greatest positive value.
Answer:____________s
What is the value of the acceleration at that instant?
Answer:___________m/s2
(c) When is the acceleration zero?
(d) Estimate the maximum negative value of the acceleration.
Answer:___________m/s2
At what time does it occur?
Answer:__________s
t = 0 to t = 4.0 s.
Answer:______________m/s2(b) Estimate the time at which the acceleration has its greatest positive value.
Answer:____________s
What is the value of the acceleration at that instant?
Answer:___________m/s2
(c) When is the acceleration zero?
Answer:Acceleration is zero when t =__________s and when t >______________ s.
(d) Estimate the maximum negative value of the acceleration.
Answer:___________m/s2
At what time does it occur?
Answer:__________s
Transcribed Image Text:v, (m/s)
10
8.
6
Je(s)
12
2
4
10
4)
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