
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Transcribed Image Text:A particle moves along the x-axis according to x(t) = 32t – 4t² m. (Round all answers to at least the nearest integer.)
(a) What is the instantaneous velocity (in m/s) at t = 2 s and t = 6 s? (Indicate the direction with the sign of your answer.)
v(2 s) =
v(6 s)
=
X m/s
x m/s
(b) What is the instantaneous speed (in m/s) at these times?
s(2 s)
s(6 s)
=
m/s
m/s
(c) What is the average velocity (in m/s) between t = 2 s and t = 6 s? (Indicate the direction with the sign of your answer.)
m/s
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