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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
(15)
Difficulty Level: Easy
(1008)
Topics: Motion in Plane
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A stationary particle explodes into two particles of masses m₁ and m₂ which move
- A body covers 200 cm in the first 2 seconds and 220 cm in the next 4 seconds.
- Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54Å.
- A particle moving along a straight line OX.At a time (in second ) the distance
- Two coils of self inductance 2 mH and 8 mH are placed so close together
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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