J JOSHUAD1 New member Jun 16, 2010 #1 a.) 186,000 miles per second b.) 186,000 miles per minute c.) 186,000 miles per hour d.) the same speed regardless of wether it travels in air or glass e.) None of the above
a.) 186,000 miles per second b.) 186,000 miles per minute c.) 186,000 miles per hour d.) the same speed regardless of wether it travels in air or glass e.) None of the above