A particle moves in a circle of radius 0.25 m at angular speed of two revolutions per second. The acceleration of the particle in m s - 2 is

Question

A particle moves in a circle of radius 0.25 m at angular speed of two revolutions per second. The acceleration of the particle in m s - 2 is, π 2, 8 π 2, 4 π 2, 2 π 2

MARKS App · Accepted Answer

r = 0.25 m ω = 2 r e v . / s ω = 2 × 2 π r a d / s We know that a c = ω 2 r ⇒ a c = 2 × 2 π 2 × 0.25 a c = 4 π 2 m s - 2

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