An object moves along the x axis with an acceleration of –6 m/s2 . At an earlier time, the position is 5m and the velocity is 10 m/s. At the later time t = 7 s, the position is –15 m. a.What was the first time? b.What is the velocity at t = 7 s?

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 40P: An object is at x = 0 at t = 0 and moves along the x axis according to the velocitytime graph in...
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An object moves along the x axis with an acceleration of –6 m/s2 . At an earlier time, the position is 5m and the velocity is 10 m/s. At the later time t = 7 s, the position is –15 m.

a.What was the first time? b.What is the velocity at t = 7 s?   

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