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1. An object is originally moving in the +x direction at 16 m/s and a constant...

1. An object is originally moving in the +x direction at 16 m/s and a constant acceleration is applied to it. When it is at a displacement of 7 meters in the +x direction it is moving in the -x direction at 6 m/s. What is the acceleration of the object in m/s2? If in the -x direction, include a negative sign.

2. An object travels in the +x direction for 6 meters for 3.4 seconds and then, immediately, changes directions for an additional 3.2 seconds. The average velocity for the entire trip is 9 m/s in the -x direction. What is the average velocity for the second part of the trip in m/s? If in the -x direction, include a negative sign.

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