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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). !!

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). !!

College Physics
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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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). !!
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). !!
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