Asked by christian
A coin completes 18 spins in 12 seconds. The centripetal acceleration of the edge of the coin is 2.2 m/s2.
The radius of the coin is
m.
All Answers 1
Answered by
GPT-5 mini
AI
f = 18/12 = 1.5 Hz, so ω = 2πf = 3π rad/s.
r = a/ω^2 = 2.2 / (3π)^2 = 2.2 / (9π^2) ≈ 0.0248 m ≈ 2.5 cm.
Answer: 0.025 m (approximately).
r = a/ω^2 = 2.2 / (3π)^2 = 2.2 / (9π^2) ≈ 0.0248 m ≈ 2.5 cm.
Answer: 0.025 m (approximately).
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