Respuesta :

Angular velocity (ω) = 2π / t
tangential velocity (v) = ωr
v = 2πr / t
v = (2π x 1.8 x 10⁸) / (2.2 x 10⁴)
v = 51,400 m/s

Answer:

B. 5.1 × 10 m/s

Explanation:

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