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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The r.m.s speed of the molecules of a gas in a vessel is 400 m/s
- A block of 2 kg is kept on the floor. The coefficient of static friction is 0.4
- A plane polarised light is incident normally on a tourmaline plate. Its E vector make
- A vibrating string of certain length l under a tension T resonates with a mode
- A straight conductor of length 0.4 m is moved with a speed of 7 ms⁻¹perpendicular
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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