Exam 1 Target 1 Preap Numbers 1-5

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1. Which of the following situations represents a positive displacement of a carton? Assume positive position is measured vertically upward along a y-axis.

Explanation

In this situation, the delivery person is lifting the carton vertically upward, which represents a positive displacement along the y-axis.

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Exam 1 Target 1 Preap Numbers 1-5 - Quiz

This quiz assesses understanding of displacement concepts in physics, focusing on positive and negative displacements, and motion analysis.

2. What is the maximum negative displacement a dog could have if it started its motion at +3 m?

Explanation

The maximum negative displacement a dog could have if it started its motion at +3 m is -3 m. This means that the dog can move up to 3 meters in the negative direction from its starting point.

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3. What is the correct description of any change of position farther to the right of zero?

Explanation

The correct description of any change of position farther to the right of zero is positive displacement. Displacement refers to the change in position of an object, and when the change is farther to the right of zero, it indicates a positive displacement.

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4. A dog walks from +4 m to +2 m. Which of the following statements is true about the dog's motion?

Explanation

The correct answer is b. xf = +2 m. This statement is true because xf represents the final position of the dog, and in this case, the dog's final position is +2 m.

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5. Rank in decreasing order the displacements of objects having the following pairs of average velocity and time of motion.I. vavg = +2.0 m/s, Dt = 2.0 sII. vavg = +3.0 m/s, Dt = 2.0 sIII. vavg = -3.0 m/s, Dt = 3.0 s

Explanation

The correct answer is a. I, II, III. This is because the displacement of an object is directly proportional to the product of its average velocity and the time of motion. Therefore, the object with the highest average velocity and shortest time of motion (I) will have the highest displacement, followed by the object with the second highest average velocity and second shortest time of motion (II), and finally the object with the lowest average velocity and longest time of motion (III).

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Which of the following situations represents a positive displacement...
What is the maximum negative displacement a dog could have if it...
What is the correct description of any change of position farther to...
A dog walks from +4 m to +2 m. Which of the following statements is...
Rank in decreasing order the displacements of objects having the...
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