Figure 1 shows the velocity-time graph of a person moving along one straight path called the x-axis. When a timer starts to click (t = 0), the person is at x = 0. The whole journey lasts 20 seconds. V (m/s) 2 0 0 4 8 12 2 16 20 Figure 1: The velocity-time graph to go with Q1.6 (a) Consider the first half of the journey from t = 0 to t = 10 seconds. Find the position of the person at t = 10 s and the average velocity between t= 0 and 10 seconds. (b) Identify the time windows during which the person has an non-zero acceleration and find the accelerations in those time windows. (c) For the whole journey from t = 0 to t = 20 s, find the position of the person at t = 20 s and the average

Figure 1 shows the velocity-time graph of a person moving along one straight path called the x-axis. When a timer starts to click (t = 0), the person is at x = 0. The whole journey lasts 20 seconds. V (m/s) 2 0 0 4 8 12 2 16 20 Figure 1: The velocity-time graph to go with Q1.6 (a) Consider the first half of the journey from t = 0 to t = 10 seconds. Find the position of the person at t = 10 s and the average velocity between t= 0 and 10 seconds. (b) Identify the time windows during which the person has an non-zero acceleration and find the accelerations in those time windows. (c) For the whole journey from t = 0 to t = 20 s, find the position of the person at t = 20 s and the average

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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Scalars and Vectors

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Question

Figure 1 shows the velocity-time graph of a person moving along one straight path called the x-axis. When a
timer starts to click (t = 0), the person is at x = 0. The whole journey lasts 20 seconds.
v
(m/s)
2
0
-2
0
4
8
2
12
16
t(s)
20
Figure 1: The velocity-time graph to go with Q1.6
Consider the first half of the journey from t = 0 to t = 10 seconds. Find the position of the person at t =
10 s and the average velocity between t= 0 and 10 seconds.
(b) Identify the time windows during which the person has an non-zero acceleration and find the
accelerations in those time windows.
(c) For the whole journey from t = 0 to t = 20 s, find the position of the person at t = 20 s and the average
velocity.

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