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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Student Exploration: Graphing Skills Vocabulary: bar graph‚ line graph‚ negative relationship‚ pie chart‚ positive relationship‚ scale‚ scatter plot‚ variable Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. Four kinds of graphs are shown in this Gizmo. Circle the kinds you have seen before. [pic] [pic] [pic] [pic] Bar graph Line graph Pie chart Scatter plot 2. Where have you seen graphs used? Graphs are used everywhere. You can
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wondered why do we have speed limits? Or maybe you do and you’re the grandma driver that everyone is stuck behind in a no passing zone. Everyone has their own speeds so why shouldn’t you be able to go how fast or how slow you wanted to go. Should we strike down every sign that the government has put up to regulate the speed limit in the thousands of highways around the country? And should we trust the driving ability of each and every person to drive within a reasonably safe speed? People automatically
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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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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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Speed Demons Summary This article illustrates the importance of speed in modern business competition. Speed has become a key competitive weapon to most of companies. Smart companies are those that can accelerate the rate of producing new products and new businesses. This article use Virgin company’s success in various fields‚ such as‚ comics‚ music‚ megastores‚ airlines‚ mobile phones‚ credit cards‚ bikes to illustrate that speed and technology are the key for the success. Innovation has become
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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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Electromagnet even stronger?! To make the magnetic field even stronger‚ you need to apply more current to the circuit. SPEED! Speed is the velocity the object is travelling at. It can be measured by KM/H‚ MP/H‚ MP/S etc. It’s basically how far the object travels in a certain time. The equation for speed is: Speed=Distance÷Time. Distance=Speedxtime. Time=Distance÷Speed. ‘The space shuttle will travel the first 50‚000km of its journey in 2 hours. It will complete the second stage of its journey
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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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glued using white glue or wood glue. They can also be painted using any latex paint or water based paint. The boat that you see in the picture has a rudder we made a rudder to support the direction of the speed boat that we have made. We’ve used a Popsicle stick to have a rudder in our speed boat. But you may try different possible methods to construct a rudder in your boat. We also put some Styrofoam cup at the back of our boat with the propeller that we have so that the wind will have more force
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