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.
On December 8, 1941, the day after the attack, President Roosevelt gave his famous Pearl Harbor Speech to Congress. Following the speech, the Senate and the House voted almost unanimously to declare war on Japan. Only three days later, Germany and Italy declared war on the United States. Now the U.S. needed to be ready for a two-front war, in the Pacific and in Europe. The first months of the war in the Pacific were more victorious for the Japanese than for the U.S. troops.