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A particle moves in a circle of radius 5 cm with constant speed and time period 0.2πs. The acceleration of the particle is
Options
(a) 15 m/s²
(b) 25 m/s²
(c) 36 m/s²
(d) 5 m/s²
Correct Answer:
5 m/s²
Explanation:
Centripetal acceleration aᵥ = 𝜔²r
= ( 2π / T)² r
= (2π / 0.2π)² x 5 x 10⁻²
= 5 m/s²
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Question Type: Apply
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Difficulty Level: Easy
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The force of repulsion between two electrons at a certain distance is F.
- 6Ω and 12Ω resistors are connected in parallel. This combination is connected
- A moving coil galvanometer of resistance 100 Ω is converted to ammeter by a resistance
- The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol.
- Potentiometer measures the potential difference more accurately than a voltmeter
Question Type: Apply (15)
Difficulty Level: Easy (1008)
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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