SELECT condition_parameter FROM table_15314901_1 WHERE velocity_angle_η_in_i_radians = "ln[(1 + √5)/2] ≅ 0.481"
Jika sudut kecepatan adalah Ln [(1 + √5)/2] ≅ 0.481, apa kondisi/parameternya?
CREATE TABLE table_15314901_1 (condition_parameter VARCHAR, velocity_angle_η_in_i_radians VARCHAR)