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 7th, 1941, axis nation Japan hit Pearl Harbor in a surprise bombing raid. A day later President Roosevelt declared war on Japan. On December 11th, 1941, axis nations Germany and Italy declared war on the US. America became an allied nation along with England and Soviet Russia.y 1944 the war had turned against the Japanese and the American technique of island hopping, while sustaining huge losses for the US, was succeeding. America's controversial decision to drop the Atomic Bomb finally ended the war in the Pacific in August, 1945.