Displacement = 2R, Time = πR/v. Avg velocity = 2v/π
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JEE Advanced 2026 — Physics Mechanics
hard
mcq
2026
Official previous-year question
Verified 30 May 2026.
Question
A particle moves in a circle of radius R with constant speed v. The magnitude of average velocity over half revolution is:
Options
- A
v
- B
2v/π
- C
v/π
- D
πv/2
Solution
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