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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
- If the density of earth is doubled keeping its radius constant then acceleration
- A spring balance is attched to the ceiling of lift.A man hangs his bag on the string
- A block of mass 5 kg is moving horizontally at a speed of 1.5 m/s. A perpendicular force
- Two beams of light having intensities I and 4I interfere to produce a fringe pattern
- An ac voltage is applied to a resistance R and an inductor L in series
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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