The velocity of an object is given as a function of time by v = 4t - 3t2, where v is in m/s and t is in seconds. Its average velocity over the interval from t = 0 s to t = 2 s: is 0 is -2 m/s is 2 m/s is -4 m/s cannot be calculated unless the initial position is given

The velocity of an object is given as a function of time by v = 4t - 3t2, where v is in m/s and t is in seconds. Its average velocity over the interval from t = 0 s to t = 2 s: is 0 is -2 m/s is 2 m/s is -4 m/s cannot be calculated unless the initial position is given

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter2: Representing Motion

Section2.4: How Fast?

Problem 29PP

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Distance and Speed

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The velocity of an object is given as a function of time by v = 4t - 3t², where v is in m/s and t is in seconds. Its average velocity over the interval from t = 0 s to t = 2 s:

		is 0
		is -2 m/s
		is 2 m/s
		is -4 m/s
		cannot be calculated unless the initial position is given

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