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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
- The induced emf in a coil of 10 H inductance in which current varies
- The electric field in a certain region is given by E=5i ̂-3ĵ kV/m. The potential
- A source of sound S emitting waves of frequency 100 Hz and an observer
- Two racing cars of masses m₁ and m₂ are moving in circles of radii
- In which case positive work has to be done in seperating them?
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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