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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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•20 (a) If the position of a particle is given by x = 201 – 5t²,
where x is in meters and t is in seconds, when, if ever, is the parti-
cle's velocity zero? (b) When is its acceleration a zero? (c) For
what time range (positive or negative) is a negative? (d) Positive?
(e) Graph x(t), v(1), and a(t).
!!"
Transcribed Image Text:3 Tumblr ll
7:28 PM
@ 1 0 36%
Done
3 of 3
•20 (a) If the position of a particle is given by x = 201 – 5t²,
where x is in meters and t is in seconds, when, if ever, is the parti-
cle's velocity zero? (b) When is its acceleration a zero? (c) For
what time range (positive or negative) is a negative? (d) Positive?
(e) Graph x(t), v(1), and a(t).
!!
Expert Solution
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a) Write the position function of particle.
VIEW Differentiate the above function with respect to t.
VIEW b) Differentiate v(t) with respect to t to find acceleration.
VIEW c) Interval which a(t) is negative.
VIEW d) Interval which a(t) is positive.
VIEW e) graph of x(t)
VIEW graph of v(t)
VIEW graph of a(t)
VIEW Trending nowThis is a popular solution!
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