An object moving in a circular motion has a centripetal
acceleration of 20 m/s2. If the radius of the motion is 0.5m,
calculate the frequency of the motion.
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centripetal acceleration = w²r
Here w = angular velocity
Centripetal acceleration = w²r
20 = w²0.5
20/0.5 = w²
40 =w²
w = 2√10
Frequency f = w/2π
f = 2√10/2×3.14
f= 2√10/6.28
f = 6.32/6.28
f ≈ 1 Hertz
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