Math Problem Statement
An object at (4, 9) moves in straight-line two-dimensional motion to a position of (-4, 3). After that, it has a displacement of 0 m in the negative yy-direction. Immediately after that, it moves in straight-line two-dimensional motion to a final position of (4, 3). Determine the distance traveled by the object going from its initial position to its final position. Express your answer rounded to 3 significant figures.
Solution
To determine the distance traveled by the object, we'll break down its motion into segments and calculate the distance for each segment before summing them up.
Step 1: Calculate the distance between the initial position and the position
We use the distance formula:
For the points and :
Step 2: Consider the displacement in the negative -direction
The problem states the object has a displacement of 0 m in the negative -direction, so this segment doesn't contribute to the total distance:
Step 3: Calculate the distance between the position and the final position
Using the points and :
Step 4: Sum the distances to find the total distance traveled
Add up the distances from each segment:
So, the total distance traveled by the object is 18.0 meters.
Would you like further details or have any questions?
Here are some related questions:
- What would be the total displacement for this motion?
- How would the total distance change if the object had a non-zero displacement in the negative -direction?
- How does the concept of distance differ from displacement in physics?
- What if the object moved along a curved path instead of a straight line? How would that affect the distance?
- Can the distance traveled ever be less than the magnitude of the displacement?
Tip: Remember, distance traveled depends on the path taken, while displacement is only concerned with the initial and final positions.
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Math Problem Analysis
Mathematical Concepts
Distance Formula
Two-dimensional Motion
Formulas
Distance formula: sqrt((x2 - x1)^2 + (y2 - y1)^2)
Theorems
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Suitable Grade Level
Grades 9-12
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