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.
When does the United States declare war on Germany? On April 6, 1917 (during World War I) the United States Congress declared war upon the German Empire. In December of 1941 (during World War II), it was actually Germany an â¦ d its Axis partners who declared war on the United States. This was after the bombing of Pearl Harbor and the subsequent declaration of war upon Japan by the United States.