Three particles of mass 1kg, 2kg and 3kg are placed at the corners A, B and C respectively of an equilateral triangle ABC of edge 1m. How do I find the distance of their centre of mass from A?
If a pilot jumps from a plane over the Pacific Ocean without a parachute, say 40,000 feet, and lands vertically into the sea, what would happen? Will he be able to survive?