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Velocidad angular (w) = 4,2 rad/s
Radio = 2 m
m = 3 kg
a = ?
v = ?
Fc = ?
Formula de velocidad
v = w.r
v = 4,2 rad/s * 2 m
v = 8,4 m/s
Formula de aceleracion
a = v2 / r
a = (8,4 m/s)2 / 2 m
a = 35,28 m/s2
Formula de Fuerza centripeta
Fc = m.a
Fc = 3 kg * 35,28 m/s2
Fc = 105,84 N