Physics Facts & Trivia - Page 3When glass breaks, the cracks move at speeds of more than 4,500 km/h (3,000 miles). If you could throw a snowball fast enough, it would totally vaporize when it hit a brick wall. Sciensational.com On a clear day, a beam of sunlight can be reflected off a mirror and seen up to 40km away. At the ocean's deepest point, due to immense pressure, an iron ball would take more than an hour to sink to the ocean floor. Sciensational.com There is enough fuel in a full tank of a jumbo jet to drive an average car around the world four times. A car travelling at 80 km/h uses half its fuel to overcome wind resistance. Sciensational.com |