Before calculating the displacement, convert the time to hours or the velocity to meters per second. A positive sign is, used to indicate the direction [North West). +360 km 1.00 h +360,000 meters 3,600 seconds +100 meters or 100 m/s [North West] 1 sėcond Ad = vAt = (+100 m/s)(30 s) = +3,000 m or 3.0 km [NW] Let's Appraise What is the velocity of a Formula One racing car that makes a displacement of 4 km [North] in 40 seconds? 1. An automobile has a velocity of 100 km/h [North]. What is its displacement if it travels at this velocity for 24 hours? 2. What is the velocity required for a car moving along the highway with a displacement of 500 m [South] in a 30-second time interval? Express your answer in (a) meters per second and (b) kilometers per hour. 3. Illustrate A convenient way to illustrate an object's motion is through a graph. Assume that a car is moving with a velocity of 20 m/s [North]. The car starts from the origin at position 0 m. Since its velocity is uniform, we can use the equation Ad = vat to determine its displacement at one-second intervals. The table of time in seconds and position in meters shows these values while the direction of [North] is assumed to be positive. Time (s) Position (m) 1. 20 40 3 60 4 80
Before calculating the displacement, convert the time to hours or the velocity to meters per second. A positive sign is, used to indicate the direction [North West). +360 km 1.00 h +360,000 meters 3,600 seconds +100 meters or 100 m/s [North West] 1 sėcond Ad = vAt = (+100 m/s)(30 s) = +3,000 m or 3.0 km [NW] Let's Appraise What is the velocity of a Formula One racing car that makes a displacement of 4 km [North] in 40 seconds? 1. An automobile has a velocity of 100 km/h [North]. What is its displacement if it travels at this velocity for 24 hours? 2. What is the velocity required for a car moving along the highway with a displacement of 500 m [South] in a 30-second time interval? Express your answer in (a) meters per second and (b) kilometers per hour. 3. Illustrate A convenient way to illustrate an object's motion is through a graph. Assume that a car is moving with a velocity of 20 m/s [North]. The car starts from the origin at position 0 m. Since its velocity is uniform, we can use the equation Ad = vat to determine its displacement at one-second intervals. The table of time in seconds and position in meters shows these values while the direction of [North] is assumed to be positive. Time (s) Position (m) 1. 20 40 3 60 4 80
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter1: Units And Measurement
Section: Chapter Questions
Problem 33P: In SI units, speeds are measured in meters per second (m/s). But, depending on where you live,...
Related questions
Question
![Before calculating the displacement, convert the time to hours or the velocity
to meters per second. A positive sign is, used to indicate the direction [North
West).
+360 km
v =
1.00 h
+360,000 meters
3,600 seconds
+100 meters or 100 m/s [North West]
1 second
Ad = vAt
= (+100 m/s)(30 s)
= +3,000 m or 3.0 km [NW]
Let's Appraise e
sede
What is the velocity of a Formula One racing car that makes a displacement
of 4 km [North] in 40 seconds?
1.
An automobile has a velocity of 100 km/h [North]. What is its displacement
if it travels at this velocity for 24 hours?
2.
What is the velocity required for a car moving along the highway with a
displacement of 500 m [South] in a 30-second time interval? Express your
answer in (a) meters per second and (b) kilometers per hour.
3.
Illustrate
A convenient way to illustrate an object's motion is through a graph. Assume
that a car is moving with a velocity of 20 m/s [North]. The car starts from the
origin at position 0 m. Since its velocity is uniform, we can use the equation
Ad = vat to determine its displacement at one-second intervals. The table of
time in seconds and position in meters shows these values while the direction of
[North] is assumed to be positive.
Time (s)
Position (m)
1
20
40
3
60
4
80
Chapter 1: Easy Motion
23](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F09ce1ea6-191a-41fb-aebd-4ec19e0545ed%2F87e7eff3-93f8-4778-a203-2db5cf14ad81%2Fppzf73_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Before calculating the displacement, convert the time to hours or the velocity
to meters per second. A positive sign is, used to indicate the direction [North
West).
+360 km
v =
1.00 h
+360,000 meters
3,600 seconds
+100 meters or 100 m/s [North West]
1 second
Ad = vAt
= (+100 m/s)(30 s)
= +3,000 m or 3.0 km [NW]
Let's Appraise e
sede
What is the velocity of a Formula One racing car that makes a displacement
of 4 km [North] in 40 seconds?
1.
An automobile has a velocity of 100 km/h [North]. What is its displacement
if it travels at this velocity for 24 hours?
2.
What is the velocity required for a car moving along the highway with a
displacement of 500 m [South] in a 30-second time interval? Express your
answer in (a) meters per second and (b) kilometers per hour.
3.
Illustrate
A convenient way to illustrate an object's motion is through a graph. Assume
that a car is moving with a velocity of 20 m/s [North]. The car starts from the
origin at position 0 m. Since its velocity is uniform, we can use the equation
Ad = vat to determine its displacement at one-second intervals. The table of
time in seconds and position in meters shows these values while the direction of
[North] is assumed to be positive.
Time (s)
Position (m)
1
20
40
3
60
4
80
Chapter 1: Easy Motion
23
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