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An object is originally moving at 3.5 m/s in the negative x direction with a constant...

An object is originally moving at 3.5 m/s in the negative x direction with a constant acceleration of 2.4 m/s2 in the negative x direction for 5.1 seconds. Then (immediately) a constant acceleration is applied to in the positive x direction. After some time, the average velocity for the entire trip is 0 m/s., and at that time, the object is moving at 61.2 m/s in the positive x direction. How long was the acceleration applied in the positive x direction in seconds?

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Answer #1

et : 61:2 m : 11.35-31.21 201

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