9. An object initially at rest experiences an acceleration of 1.90 m/s2 for 6.50 s then travels at that constant velocity for another 9.90 s. What is the magnitude of the object's average velocity over the 16.4 s interval? m/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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9. An object initially at rest experiences an acceleration of 1.90 m/s² for 6.50 s then travels at that constant velocity for
another 9.90 s. What is the magnitude of the object's average velocity over the 16.4 s interval?
m/s
F2
10. A person is driving along a straight highway at a speed of 22.0 m/s when the traffic light which is 43.0 m ahead turns
yellow. Because of his "reaction time", there is a delay of 0.15 s before the man steps on the brake. The car then slows
with a deceleration of 4.20 m/s2. By how much distance does the driver miss the traffic light line?
#
3
80
F3
$
200
F4
m
%
5
F5
^
6
Submit Assignment
MacBook Air
&
7
◄◄
F7
CO *
8
DII
FB
(
F9
)
0
A
F10
F11
+11
=
4)
品
F12
}
delete
Transcribed Image Text:@ 2 9. An object initially at rest experiences an acceleration of 1.90 m/s² for 6.50 s then travels at that constant velocity for another 9.90 s. What is the magnitude of the object's average velocity over the 16.4 s interval? m/s F2 10. A person is driving along a straight highway at a speed of 22.0 m/s when the traffic light which is 43.0 m ahead turns yellow. Because of his "reaction time", there is a delay of 0.15 s before the man steps on the brake. The car then slows with a deceleration of 4.20 m/s2. By how much distance does the driver miss the traffic light line? # 3 80 F3 $ 200 F4 m % 5 F5 ^ 6 Submit Assignment MacBook Air & 7 ◄◄ F7 CO * 8 DII FB ( F9 ) 0 A F10 F11 +11 = 4) 品 F12 } delete
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