The position of a particle moving along the x axis is given by x=3t2-15t-10m, where t is in s, Determine the following a. average velocity during the time interval t=2.5 s to t=4.5s b. instantaneous velocity at 3s c. average acceleration during the time interval t=2.5 s to t=4.5s

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 5P: A positiontime graph for a particle moving along the x axis is shown in Figure P2.5. (a) Find the...
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The position of a particle moving along the x axis is given by x=3t2-15t-10m, where t is in s, Determine the following

a. average velocity during the time interval t=2.5 s to t=4.5s

b. instantaneous velocity at 3s

c. average acceleration during the time interval t=2.5 s to t=4.5s

d. instantaneous acceleration at 3s

e. is the particle speeding up or slowing down at 4s? justify your answer

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