works by taking the energy the tendons get from a heel hitting the ground to help the springs within the leg work and keep moving (Snedden 11-12). Another artificial limb they came up with was the C-leg. The C-leg is battery operated‚ and contains graphite and titanium to help the operator gain control of how they want their leg to move. Doctors use computer sensors to help fit it to the users strides at different speeds (Snedden 12-13). Scientist made the Myoelectric hand‚ which is able to communicate
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in black and white‚ then in color‚ then to watching the game online to watching to the game anytime‚ anywhere you are‚ on your smartphone. It has changed how sport is played from the equipment used from seal bladders to rubber pucks‚ and wooden to graphite sticks. It has also impacted participation because less people are spending their time playing sports and spending it online. Technology has dramatically changed how sports are played and viewed‚ but has this change been positive or negative?
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HKDSE Chemistry – A Modern View 1 (SAMPLE) Suggested Answers (Coursebook) |Chapter 1 The fundamentals of chemistry | |Class Practice |1 | |Chapter Exercises |3 | |Chapter 2 The atmosphere
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CHAPTER 1 INTRODUCTION 1.1 PANTO ENTANGLEMENT Electric locomotive gets power from overhead contact wire through pantograph. For smooth operation of locomotive‚ the movement of pantograph should be unobstructed on the contact wire. When any broken part of pantograph comes in between overhead wires or vice versa‚ panto entanglement takes place. The OHE is meant for supply of power where as the pantograph is for collecting power for the locomotive. The parameters of
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island is 587‚040 kilometers "‚ with 4‚828 kilometers of coastline‚ and it is slightly larger than twice the size of Arizona. Madagascar is a high plateau with a narrow coastal plain and mountains on the top. Their main natural resources consist of graphite‚ chromite‚ coal‚ bauxite‚ salt‚ quartz‚ tar sands‚ semiprecious stones‚ mica‚ fish‚ and hydropower. The land is 4.41% arable land‚ .093% is permanent crops‚ and 94.66% other. Madagascar has a population of 16‚979‚744 people‚ which means there is
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da Vinci’s The study of a womans’s head or the angel of Virgine delle Rocce. 5. Give an example from your text that illustrates each: a.) Chalk and charcoal example Madonna with Child with St Ann and Infant John the Baptist‚ by Leonardo. b.) Graphite example untitled (Ocean) by Clemins c.) Pastel example After Bath‚ Woman Drying Herself by Degas d.) Oil stick example Fate and Luck: Eclipse 2011 by Brooke e.) Pen and ink example Page for Kim Wild 2001 by Satrapi f.) Wash and Brush example The
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1. The diagram below shows the electronic structure of boron. (a) The electrons are represented by arrows. What property of the electrons do these ‘up’ and ‘down’ arrows represent? ..................................................................................................................................... (1) (b) Suggest why electrons which occupy the 2p sub-levels have a higher energy than electrons in the 2s sub-level. .....................................................
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1) What is the purpose of ice or cold water? To cool down the gas so that it condenses and turns into a liquid. 2) when the gas collecting tube is upside down‚ give a property of this gas. It is less dense than air. 3) Why is a pencil used in drawing the origin line in chromatography? If pen was used‚ it will dissolve giving colours and so‚ the experiment won’t be accurate. Pencil doesn’t interfere with the results. 4) When using ethanol‚ give a better apparatus arrangement‚ and why? Cover
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* Ink Made from Tea bags * 1. Background of the Study Tea is created by using the leaves of a plantknown as Camellis sinensis. This plant is native tomainland China‚ South and Southeast Asia‚ but it istoday cultivated across the world in tropical andsubtropical regions. It is an evergreen shrub orsmall tree that is usually trimmed to below 2 m(6.6 ft) when cultivated for its leaves. It has astrong taproot. The flowers are yellow-white‚ 2.5-4cm (0.98-1.6 in) in diameter‚ with 7 to 8 petals.
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the Periodic Table Split? Non-metals: These are the elements on right side of line‚ as well as hydrogen‚ which is‚ which is in-group 1 because it only has 1 electron on its outer shell. Non-metals cannot conduct electricity except carbon (in the graphite form) because it has 1 electron “free” this allows electricity to conduct in carbon but not as well as metals. So it’s used as a carbon resistor. They also can’t conduct heat well. This is again due to the fact that non-metals don’t have enough “free”
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