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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.
Related Questions: - Initial angular velocity of a circular disc of mass M is ?￢ﾂﾁ.Then, two small spheres
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Initial angular velocity of a circular disc of mass M is ?￢ﾂﾁ.Then, two small spheres
- The time by a photoelectron to come out after the photon strikes is approximately
- The moon’s radius is 1/ 4 that of the earth and its mass is 1 / 80 times that of the earth
- A pellet of mass 1 g is moving with an angular velocity of 1 rad/s along a circle
- The resistance of a bulb filament is 100 Ω at a temperature of 100⁰C.
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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