Exton and Shah measured that distance as 0.12 meters, or 0.12 meters per cycle. Multiplying something measured in âmeters per cycleâ by something in âcycles per secondâ will give a measurement in âmeters per second.â That's the wave's velocityâthe speed of light.
The US declared war on Japan (unanimously in the Senate, and 388 to 1 in the House of Representatives) on 8 December 1941 thus entering WWII. The declaration was in response tâ¦o the bombing of Pearl Harbor on 7 December 1941.
U.S. enters World War I. On April 6, 1917, two days after the U.S. Senate votes 82 to 6 to declare war against Germany, the U.S. House of Representatives endorses the decision by a vote of 373 to 50, and the United States formally enters the First World War. When World War I erupted in 1914,...