An object moves so that its position depends on time as x =+12 m – (4 m/s)t + (1 m/s²)t2. Which statement below is not true? O The object is accelerating. The acceleration of the object is +2 m/s? The object stops for an instant at t = 2.0 s. The object first moves in the negative direction and then in the positive direction. The speed of the object is always decreasing.
An object moves so that its position depends on time as x =+12 m – (4 m/s)t + (1 m/s²)t2. Which statement below is not true? O The object is accelerating. The acceleration of the object is +2 m/s? The object stops for an instant at t = 2.0 s. The object first moves in the negative direction and then in the positive direction. The speed of the object is always decreasing.
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter2: One Dimensional Motion
Section: Chapter Questions
Problem 74PQ
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An object moves so that its position depends on time as x=+12m-(4m/s)t+(1m/s^2)t^2. Which statement is not true?
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