The position of an object is given as a function of time by x=7t-3t², where x is in meters and t is in seconds. Its average velocity over the interval from t=0 to t=3 is: O a. = -6 m/s O b. = -1.5m/s O. = -2 m/s O d. = -20 m/s

The position of an object is given as a function of time by x=7t-3t², where x is in meters and t is in seconds. Its average velocity over the interval from t=0 to t=3 is: O a. = -6 m/s O b. = -1.5m/s O. = -2 m/s O d. = -20 m/s

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 18P: A race car moves such that, its position fits the relationship x = (5.0 m/s)t + (0.75 m/s3)t3 where...

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Question

The position of an object is given as a function of time by x=7t-3t?, where x is in meters and t is in seconds. Its average velocity over
the interval from t=0 to t=3 is:
= -6 m/s
а.
b. = -1.5m/s
O c.
= -2 m/s
d.
= -20 m/s

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