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.
However, the events in Pearl Harbor actually led to the escalation of World War II. The day after the attack, the United States declared war on Japan and so entered World War II. President Franklin Roosevelt in a speech to Congress stated that the bombing of Pearl Harbor was âa date which will live in infamyâ. Shortly afterwards, Germany also declared war on the United States.