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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 car sounding a horn of frequency 100 Hz passes an observer. The ratio
- The maximum velocity of a particle, executing simple harmonic motion with an amplitude
- Young’s modulus of perfectly rigid body material is
- A car moving with a speed of 50 kmh⁻¹ can be stopped by brakes after at least 6 m
- If A=4i+4j+4k and b=3i+j+4k, then angle between vectors A and B is
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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