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 Americans DID NOT declare war on Germany. On December 7, 1941, the UNITED STATES along with Great Britain declared was on JAPAN. The Americans declared was on Japan in re â¦ sponse to the Japanese bombing Pearl Harbor.On December 11, 1941, HITLER (Germany) DECLARED WAR ON THE UNITED STATES. The first American forces landed in England on January 26, 1942. The first battle was not until July 1942 at El Alamein in North Africa.American merchant ships supplying Great Britain and Russia with supplies were sunk by German-U boats, but this was prior to December 1941.n December 7, 1941, the UNITED STATES along with Great Britain declared was on JAPAN. The Americans declared was on Japan in re â¦ sponse to the Japanese bombing Pearl Harbor. On December 11, 1941, HITLER (Germany) DECLARED WAR ON THE UNITED STATES. The first American forces landed in England on January 26, 1942.