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A particle moves with constant speed v along a circular path of radius r and completes the circle in time T. The acceleration of the particle is
Options
(a) 2πv/T
(b) 2πr/T
(c) 2πr²/T
(d) 2πv²/T
Correct Answer:
2πv/T
Explanation:
Centripetal acceleration = v² / R = v × (v/R) a = v × ω (Therefore, ω = v/R) a = (v × 2π)/T.
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A block of mass m is moving on a wedge with the acceleration aᵒ
- If voltage across a bulb rated 220 volt-100 Watt drops by 2.5% of its rated value
- In an electrical circuit R,L,C and an AC voltage source are all connected in series.
- If the density of earth is doubled keeping its radius constant then acceleration
- A heavy nucleus at rest breaks into two fragments which fly off with velocities
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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