Title: Measuring the speed of sound. Research question: How to determine the speed of sound by using the relationship between the frequency of the signal generator‚ f and the length of air column in the tube‚ l . Variables: Manipulated | Frequency of the signal generator‚ f | Use different frequency of signal generator which are 1000Hz‚ 1400Hz‚ 1800Hz‚ 2000Hz‚ 2500Hz‚ 3000Hz and 3600Hz. | Responding | Length of air column in the tube‚ l (±0.5cm) | Measure the
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Speed limits are posted for reasons that will help you through your life. School zones are one of the most important reasons. I am going to explain my beliefs on limitations for the speed limits. In most cases‚ people don’t like to drive the speed limit. School zones‚ in my opinion‚ are the most important. When traveling through school zones‚ doing the speed limit‚ you have the ability to stop faster when something out of the blue happens‚ a child running out in the street chasing a ball kicked
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Some of the conquests of the Spanish on the Native Indians were brutal. While most conquistadors and Spanish people treated the Indians badly‚ one names Las Casas did not. He defended them. Why My Congressman/Congresswoman Matters to Me. Our congressmen and congresswomen are some of the most important parts of our government. Normally‚ when one thinks of members of congress‚ it seems as though the members are nothing but a group of people arguing from different political
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circular path with a uniform speed of 10 m/s. a) Distance covered by the man b) Displacement of the man c) Time taken by the man in reaching from A to B. 2. A car starting from rest moves with a uniform acceleration of 0.1 m/s2 for 2 minutes. Find the speed acquired by the car. 3. A ship is moving at a speed of 56 km/h. One second later it is moving at 58 km/h. What is its acceleration? 4. A child completes a circular track of 200 m length in 10 seconds. Calculate a) speed‚ b) velocity. 5. A car travels
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disks‚ MRI machines‚ scientific instruments‚ and magnetic separation equipment‚ as well as being employed as industrial lifting electromagnets for picking up and moving heavy iron objects like scrap iron. But what do you do when your Electromagnet breaks?! You make one of course! What you need: Copper Wire‚ Iron Rod(s) and a power source. Step 1 – Wrap the insulated Copper Wire around the Iron Rod (the more coils‚ the stronger the magnetic field). Step 2 – Connect both ends to a power source
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DBQ: Mongols Central Question: How did the Mongols accomplish the conquest of such a large territory within such a short period of time? Core Points are: Acceptable thesis Uses all or all but one document Supports thesis with evidence from documents Understands basic meaning of documents. Analyzes bias or point of view in at least two or three documents Analyzes documents by grouping them in one‚ two or three ways Identifies one type of appropriate additional document. Document 1
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Speed dating is today a social and commercial phenomenon among other ways to find a mate in our busy and global society. It paradoxically began in 1999 with the Rabbi Yaacov Deyo who invented this system to allow single Jewish men and women to meet in a safe‚ chaperoned environment and therefore facilitate weddings in Los Angeles. How does it work? It is organised in parties that take place in clubs or restaurants and cost between 30 and 80 dollars. 10 to 25 men and the same number of women (usually
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SPH3UC – Lesson 1 1. A) Amplitude is the distance between the equilibrium and the maximum displacement. In this wave‚ it would be from the equilibrium to the top of the crest or bottom of the trough. B) C) Speed: m/s Frequency: Hz D) Speed: because speed is constant and not affected by the change in frequency. Wavelength:0.4 Hz. 2. In transvers waves the motion of the particles is perpendicular to the direction of the energy. In longitudinal waves it they are parallel
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The Speed of Trust In Stephen M. R. Covey’s The Speed of Trust: The One Thing That Changes Everything‚ he gives some great tips on how to gain‚ keep‚ and rebuild the trust of others‚ whether they be coworkers‚ family members‚ customers‚ or complete strangers. He emphasizes the importance of trust in every relationship‚ purporting that relationships are built on and sustained by trust. And even the best relationships can be broken and destroyed by lack of trust. Without trust‚ actions are misinterpreted
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Most of the world called the Mongols “barbarian” referring to people who lived beyond the reach of civilization‚ people who savage‚ evil. Were they barbarians spreading death and destruction‚ or is there more to the story? Cultures had both expanded through conquest and changed the dynamics of regions. The Mongols were important for their limitless empire’s stable rule‚ expansion of safe trade‚ and wicked conquest. Since they had a very large and skilled military‚ Mongols vanquished other territories
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