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.
The United States joined the war April 6, 1917 when they declared war on Germany. Curiously, the US didn't officially declare war on Germany's co-combatants the Austro-H â¦ ungarian Empire until Dec of 1917. The US remained neutral from the outbreak of the war in 1914 until spring of 1917.