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guestLecture_012811_partb

guestLecture_012811_partb - time In region B which of the...

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The plot below shows the position of an object moving along the x-axis as a function of time. In region A , which of the following statements best describes the motion of the object? The object is: 1. Moving in the +x direction 2. Changing directions 3. Stationary 4. Moving in the -x direction Its speed is: 1. Sometimes increasing and sometimes decreasing 2. Decreasing 3. Increasing 4. Constant 5. Zero In region B , which of the following statements best describes the component of the net force in the x-direction on the object? The net force: 1. is zero 2. points in the –x direction 3. points in the +x direction 4. is changing direction x

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The plot below shows the z-component of the momentum of an object as a function of

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Unformatted text preview: time. In region B , which of the following statements best describes the component of net force in the z-direction on the object? The net force: 1. points in the –z direction 2. is changing direction 3. is zero 4. points in the +z direction In region D , which of the following statements best describes the motion of the object? The object is: 1. Stationary 2. Changing directions 3. Moving in the –z direction 4. Moving in the +z direction and its speed is: 1. Increasing 2. Decreasing 3. Zero 4. Sometimes increasing and sometimes decreasing 5. Constant p z Which of the following are always parallel to ? Which of the following are always parallel to ?...
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