TimePositionWhen an object moves, it doesn't always move at a steady pace. As aresult, its instantaneous speed is changing. The instantaneous speed of an(min)(km)object is its speed at any given instant. For an automobile, the instantaneouS0.4speed is the speedometer reading. The average speed, meanwhile, is simplythe average of all the speedometer readings taken at regular intervals of20.8time. Of course, the easier way to determine the average speed is to simply1.3do a "total distance" over “total time elapsed" ratio.42.1Consider the data at the right for the first 10 minutes of a teacher's trip alongthe expressway to school. Determine the teacher's average speed (in km/2.562.7min) for the 10 minutes of motion and estimate the maximum speed basedon the given data. PSYW73.885.06.4107.6

To determine: Teacher's average speed and the maximum speed based on the given data.

Time Position When an object moves, it doesn't always move at a steady pace. As a result, its instantaneous speed is changing. The instantaneous speed of an object is its speed at any given instant. For an automobile, the instantaneous (min) (km) 0.4 speed is the speedometer reading. The average speed, meanwhile, is simply 2 0.8 the average of all the speedometer readings taken at regular intervals of time. Of course, the easier way to determine the average speed is to simply do a “total distance" over "total time elapsed" ratio. 3 1.3 2.1 Consider the data at the right for the first 10 minutes of a teacher's trip along 5 2.5 the expressway to school. Determine the teacher's average speed (in km/ 6 2.7 min) for the 10 minutes of motion and estimate the maximum speed based on the given data. PSYW 7 3.8 8 5.0 9. 6.4 10 7.6 4)

Time Position When an object moves, it doesn't always move at a steady pace. As a result, its instantaneous speed is changing. The instantaneous speed of an object is its speed at any given instant. For an automobile, the instantaneous (min) (km) 0.4 speed is the speedometer reading. The average speed, meanwhile, is simply 2 0.8 the average of all the speedometer readings taken at regular intervals of time. Of course, the easier way to determine the average speed is to simply do a “total distance" over "total time elapsed" ratio. 3 1.3 2.1 Consider the data at the right for the first 10 minutes of a teacher's trip along 5 2.5 the expressway to school. Determine the teacher's average speed (in km/ 6 2.7 min) for the 10 minutes of motion and estimate the maximum speed based on the given data. PSYW 7 3.8 8 5.0 9. 6.4 10 7.6 4)

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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Concept explainers

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –

Question

Time
Position
When an object moves, it doesn't always move at a steady pace. As a
result, its instantaneous speed is changing. The instantaneous speed of an
(min)
(km)
object is its speed at any given instant. For an automobile, the instantaneouS
0.4
speed is the speedometer reading. The average speed, meanwhile, is simply
the average of all the speedometer readings taken at regular intervals of
2
0.8
time. Of course, the easier way to determine the average speed is to simply
1.3
do a "total distance" over “total time elapsed" ratio.
4
2.1
Consider the data at the right for the first 10 minutes of a teacher's trip along
the expressway to school. Determine the teacher's average speed (in km/
2.5
6
2.7
min) for the 10 minutes of motion and estimate the maximum speed based
on the given data. PSYW
7
3.8
8
5.0
6.4
10
7.6

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