A race car moves such that it's position fits the relationship x=(6.0m/s)t +(0.60 m/s^3)t^3 where x is measured in meters and t in seconds. (a) A plot of the car's position versus time is which of the following? (b) Determine the instantaneous velocity of the car at t=3.0s, using time intervals of 0.40s, 0.20s, and 0.10s.

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 10P: An object moves along the x axis according to the equation x = 3.00t2 2.00t + 3.00, where x is in...
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A race car moves such that it's position fits the relationship x=(6.0m/s)t +(0.60 m/s^3)t^3 where x is measured in meters and t in seconds.

(a) A plot of the car's position versus time is which of the following?

(b) Determine the instantaneous velocity of the car at t=3.0s, using time intervals of 0.40s, 0.20s, and 0.10s. 

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