4. Let the period of revolution of a planet at a distance R from a star be T. Prove that if it was at a distance of 2R from the star, its period of revolution will be V8 T.​

The industrial revolution began in great britain for a number of reasons. two advantages great britain had which were necessary for industrialization were a. raw materials and a large workforce. b. unstable politics and a small landmass. c. abundant land and a small population. d. private wealth and a strong military.