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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
- The half life of radium is about 1600 year. Of 100 gram of radium existing now
- In an a.c circuit the e.m.f. (e) and the current (i) at any instant are given
- A body travelling along a straight line traversed one-third of the total distance
- The alternating current in a circuit is given by I=50 sin314t. The peak value
- A spring gun of spring constant 90 N/cm is compressed 12 cm by a ball of mass
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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