The car starts from rest at s= 0 and increases its speed at a = 9 m/s². (Figure 1) Figure 40 m 1 of 1 Part A Determine the time when the magnitude of acceleration becomes 20 m/s². Express your answer to three significant figures and include the appropriate units. t = Submit Part B Value 8 = μA O Request Answer At what position s does this occur? Express your answer to three significant figures and include the appropriate units. μÀ Value Units Submit Request Answer ? Units ?

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,...
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The car starts from rest at s = 0 and increases its speed at
9 m/s². (Figure 1)
at
=
Figure
p = 40 m
1 of 1
Part A
Determine the time when the magnitude of acceleration becomes 20 m/s².
Express your answer to three significant figures and include the appropriate units.
t =
Submit
Part B
Value
S =
µA
☐
Submit
Request Answer
At what position s does this occur?
Express your answer to three significant figures and include the appropriate units.
O
μA
Value
Units
Request Answer
?
Units
?
Transcribed Image Text:The car starts from rest at s = 0 and increases its speed at 9 m/s². (Figure 1) at = Figure p = 40 m 1 of 1 Part A Determine the time when the magnitude of acceleration becomes 20 m/s². Express your answer to three significant figures and include the appropriate units. t = Submit Part B Value S = µA ☐ Submit Request Answer At what position s does this occur? Express your answer to three significant figures and include the appropriate units. O μA Value Units Request Answer ? Units ?
The car travels around the circular track having a radius of
r = 300 m such that when it is at point A it has a velocity of
8 m/s, which is increasing at the rate of
v = (0.08t) m/s², where t is in seconds. (Figure 1)
Figure
A
X
1 of 1
Part A
Determine the magnitude of the velocity when it has traveled one-third the way around the track.
Express your answer to three significant figures and include the appropriate units.
V =
Submit
Part B
Value
a =
μA
0
Submit
Request Answer
Determine the magnitude of the acceleration when it has traveled one-third the way around the track.
Express your answer to three significant figures and include the appropriate units.
O
μÀ
Value
Units
Request Answer
?
Units
?
Transcribed Image Text:The car travels around the circular track having a radius of r = 300 m such that when it is at point A it has a velocity of 8 m/s, which is increasing at the rate of v = (0.08t) m/s², where t is in seconds. (Figure 1) Figure A X 1 of 1 Part A Determine the magnitude of the velocity when it has traveled one-third the way around the track. Express your answer to three significant figures and include the appropriate units. V = Submit Part B Value a = μA 0 Submit Request Answer Determine the magnitude of the acceleration when it has traveled one-third the way around the track. Express your answer to three significant figures and include the appropriate units. O μÀ Value Units Request Answer ? Units ?
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