On xed radius and at constant speed v always

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Unformatted text preview: track! What about the two curved segments, 1- 2 and 3- 4 ? PHYS- 2010 11 Room Frequency BA Clicker Ques2on A merry- go- round has a radius r = 1 meter. It’s pushed to have a period of T = 3 seconds. m v2 | a |= r r = 1 m T = 3 sec 2πr v= T What is the approximate centripetal accelera.on? A) 1 m/s2 2π r 2 × 3 × 1 m v= ≈ ≈ 2m / s T 3s B) 4 m/s2 v (2 m / s ) 2 a= ≈ = 4m / s r 1m D) 10...
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