A particle has a particular life span of time t. if the particle moves very fast, relative to a stationary observer, the observer will observe that the life span of the particle is greater than t. If the observer moves toward the source at a speed vo, more waves are intercepted per second and the frequency received by the observer increases.
If the observer is stationary, the frequency received by the observer equals the frequency produced by the source. The measured frequency rises above the source frequency as the observer approaches the stationary source. The observed frequency is lower than the source frequency.
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Answer:
The First Amendment to the United States Constitution prohibits the making of any law respecting an establishment of religion, impeding the free exercise of religion, abridging the freedom of speech, infringing on the freedom of the press, interfering with the right to peaceably assemble or prohibiting the petitioning for a governmental redress of grievances. It was adopted on December 15, 1791, as one of the ten amendments that constitute the Bill of Rights.
Answer:
The correct answer is 2. The purpose of this poster was to keep morale up at the Home Front.
Explanation:
During World War II, the Allied nations mobilized huge numbers of personnel to militarily defeat the Axis powers. This caused millions of workers in these nations to leave their jobs to go to war. Thus, the production of these nations took on enormous importance, destined almost exclusively to satisfy and supply the demands of the battle front: the group of people who stayed in their countries producing began to be called members of the Home Front, giving them a fundamental importance as suppliers of the forces in combat. Therefore, given its importance, these countries began to try to raise the morale of the workers through propaganda methods such as the one seen in the image.
