Measuring the Speed of Sound (Moving Tube) KEY Purpose: To measure the speed of sound in air using a variable length column of air. Apparatus: resonance-tube apparatus (an open ended tube which can be moved in and out of a container of water) constant frequency source (tuning fork or computer generated tone) rubber hammer meter stick rubber stopper Procedure: 1. Set Up the Experiment: Place the open ended tube into the water‚ and verify that it can produce a resonance tube
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Investigating the Limits of Cell Growth Background: To find factors that limit cell growth In multicellular organisms‚ In order for an organism to grow cells must divide through mitosis. Cell division happens after the cell is big enough so the daughter cells will be replicated without any flaws. The regulation and amount of materials that can enter and leave the cell is based on how large the cells surface area is. The rate of movement is also determined by the volume of the cell. Many factors like
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Working Mothers All mothers are working mothers‚ but those who have a career away from home have an extra challenge in their life. In many families today‚ mothers continue to work because they have careers that they have spent years developing. Some mothers need to work to support their family. I’m against working mothers because she will be bad mood most of the time‚ she will not have time for her home and children‚ and can’t have fun time because she is busy every weekend. The first
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depends on it. Ray Kurzwell (2005) focuses on the idea of the Singularity. The Singularity is the idea that technology will continue expanding to the point where human life will be completely transformed. This leads to the question‚ should there be limits on technological advancements? Although issues could arise with constant technological development‚ I believe that research should be limited only when an issue arises and ethics are questioned. There has never been a period where humans stopped
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INSTITUTIONS DO NOT LIMIT INDIVIDUAL FREEDOM. From the field of political science to law and other social sciences‚ the topic whether or not institutions limit individual’s right and freedom is a staple in the political menu. Those in support believe that government and other agencies use institutions to brainwash and tame individuals and by so doing they amass excessive power. This argument is lean at best. To say that institutions like every other activity has some weaknesses cannot be overemphasized
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With the key terms explained by the first speaker‚ let us examine our motion once again. Mass media is the major contributor to teenage social problems today. In the light of our definitions‚ is this a valid proposition? Let us consider some arguments in favor of this proposition. I‚ as the opposition’s deputy minister‚ disagree with the motion because I believe that teenagers can make use of the mass media as a platform to voice out their opinions on current issues. With the existence of
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With this ticket I have learned that it is not okay to speed. You should always pay attention while driving no matter how experienced you are. You never know what could happen. There is no need to travel at a faster speed than the one that is set by the law. I have learned that you don’t need to rush to get places. You will get there eventually. I don’t need to be in such a hurry going places. Speeding does not help you get anywhere faster. All speeding does is increase your chances of injuries
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1995‚ in the U.S. Term Limits‚ Inc. v. Thornton case the Supreme Court ruled that states cannot impose qualifications on future members of Congress stricter than what is stated in the Constitution. The case was brought to the Supreme Court when the state of Arkansas put an amendment into their state constitution that limited the number of terms any Federal Congressional and Senate candidate from Arkansas could serve. The Supreme Court ruled that “state-imposed term limits were an imperfect‚ and probably
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to combat this situation is to place term limits on all political
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Is there a limit to the EU’s enlargement process? There is a limit to the EU’s enlargement process. Namely‚ the process is limited geographically‚ as seen in the case of Morocco‚ economically under the Copenhagen Criteria and politically‚ resulting from intergovernmentalism. Seeing as the enlargement process has already deepened and widened to encompass the majority of the East and West of Europe‚ the possibility of further enlargement to Turkey and Israel has predestined the EU to disparagement
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