A particle's moves on the positive x-axis and its motion is described by the equation: X(t) = 6t3 + 3 t2 +t. What is the particle instant speed at (t= 2 s)? O a. 85i m/s O b. 49 i m/s O c. 85 m/s O d. 84 m/s

A particle's moves on the positive x-axis and its motion is described by the equation: X(t) = 6t3 + 3 t2 +t. What is the particle instant speed at (t= 2 s)? O a. 85i m/s O b. 49 i m/s O c. 85 m/s O d. 84 m/s

Name: A particle's moves on the positive x-axis andits motion is described
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Description: A particle's moves on the positive x-axis andits motion is described by the equation: X(t) =6t3 + 3 t2 +t. What is the particle instantspeed at ( t= 2 s)?%3DO a. 85 i m/sO b. 49 i m/sO c. 85 m/sO d. 84 m/s

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter3: Motion Along A Straight Line

Section: Chapter Questions

Problem 79P: Between t=0 and t=t0 , a rocket moves straight upward with an acceleration given by a(t)=ABt1/2 ,...

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