Velocity-time Graph
The velocity-time graph for a particle starting from rest is a straight line. If the particle travels 100 m in 10 seconds, what is the acceleration?
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About This Question
- Subject
- physics
- Chapter
- kinematics
- Topic
- velocity-time graph
- Difficulty
- Medium
- Year
- 2025
Solution
Correct Answer:
2 m/s²
- Inference from Graph: A straight line on a v-t graph means constant acceleration.
- Equation of Motion: For u=0, s=21at2.
- Substitution:
- 100=21×a×(10)2.
- 100=50a.
- Result: a=2 m/s2.
- Note: The final velocity reached would be v=at=20 m/s.
This medium difficulty physics question is from the chapter kinematics, covering the topic of velocity-time graph. It appeared in the 2025 exam.
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