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A cycle wheel of radius 4 m completes one revolution in two seconds. Then acceleration of cycle will be
Options
(a) π² ms⁻²
(b) 2π² ms⁻²
(c) 4π² ms⁻²
(d) 8π² ms⁻²
Correct Answer:
4π² ms⁻²
Explanation:
Centripetal acceleration is = Rω² .·. Angular velocity is ω = 2π/T ɑ = R(2π/T)² = 4(2π/2)² = 4π² m/s².
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A uniform force of (3i + j) newton acfs on a particle of mass 2kg
- Infinite number of masses, each 1 kg, are placed along the x-axis
- A battery having e.m.f. 4 volt and internal resistance 0.5 Ω is connected
- If h is Planck’s constant, the momentum of a photon of wavelength 0.01 Å is
- A particle of mass ‘m’ is kept at rest at a height 3R from the surface of earth
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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