Math Problem Statement
Solution
We are given the velocity of a particle as a function of time, shown by the graph. The question asks us to find the position of the particle at , knowing that the initial position at .
To determine the position at , we can integrate the velocity over time, as the position is the integral of velocity with respect to time:
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From to : The graph shows that the velocity decreases linearly from at to at , and then continues to decrease to at .
The area under this part of the curve represents the displacement. The first part is a triangle from to , and the second part is a triangle from to .
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From to : The velocity is negative between and , reaching zero at , and then turns positive between and .
Let's calculate the areas under the velocity-time graph to get the displacements for each interval.
I'll calculate the total displacement from to .The final position of the particle at is . Therefore, the correct answer is:
c) +1.0 m
Would you like more details or have any other questions? Here are some related questions to consider:
- How does the area under a velocity-time graph relate to displacement?
- What is the significance of positive and negative areas under the velocity-time graph?
- How would the problem change if the velocity graph extended beyond ?
- What happens to the particle's motion between and ?
- Can you derive velocity from a position-time graph in a similar way?
Tip: When dealing with velocity-time graphs, the area under the curve always represents displacement, with positive areas indicating forward motion and negative areas indicating backward motion.
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Math Problem Analysis
Mathematical Concepts
Kinematics
Velocity-Time Graphs
Integration of Velocity
Formulas
Displacement = ∫ Vx dt
Area under velocity-time graph = displacement
Theorems
Displacement as the integral of velocity over time
Suitable Grade Level
Grades 10-12
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