If the large hadron collider is 27 km long, and visible light travels 3.0 × 108 m/s, how long does it take a ray of visible light to travel from one end of the collider to the other? 1.5 × 10–9 s 1.5 × 10–6 s 9.0 × 10–5 s 1.3 × 1011 s 4.9 × 1014 s