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Work and Energy Theorem

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Physics
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Work and Energy Theorem Kevin Objective: The objective of this experiment is to investigate what work is, and how it relates to energy. We will learn different forms of energy and how energy is used to determine the relationships between work and energy. Data and Calculations: Part A: Work Done by a Constant Force Mass of Weight 199.8 g Starting Time 1.80 sec Starting Position 0.006 m Ending Time 5.00 sec Ending Position 0.215 m Average Force 2.017 N Integral 0.3152 mN ?U = mg?h ?U = (0.1998kg)(9.81m/s2)(0.215m ? 0.006m) ?U = 0.4096 Nm The average work is the average force multiplied by ?h. Wave = (2.017 N) (0.215m ? 0.006m) Wave = 0.4216 The percent difference between the calculated ?U value and the average work is

Conservation of Energy Lab

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Conservation of Energy Kevin D. Edgerton Objective: The objective of this experiment is to study the law of conservation of energy and see how the conservation of energy equation is used. . Data and Calculations: Part I: Bouncing Ball Mass of Ball 417.2g Ranger to floor distances 0.771m 0.778m 0.765m 0.769m 0.775m Average 0.7716m The Total Energy drops to near zero when the ball hits the ground. It does not violate the law of conservation of energy because the energy lost in the collision with the ground is not accounted for by the measurements of potential and kinetic energy. Because of this, the total energy decreases after each bounce. With a lighter ball there may be less energy lost during the collisions.

FAST FOOD

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fast food supersize me

Persuasive Speech Who could not resist that tender and tasty burger at Inn Out? Maybe even that Crispy, Golden brown French Fries at McDonald? All of these food may sound delicious to you, but did you know those fast food are actually damaging your health? Here is why increasing fast food industries are highly responsible for the growth of obesity related issues in America. So do you remember having your grandma?s warm hearty bowl of chili at a family dinner? Do you remember in your backyard, when your dad was grilling you a burger right off the grill? Well fast food is far distinct from those two foods.

One Flew over the Cuckoos Nest

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Chief
Cuckoos Nest
Junior English

Chief Throughout Cuckoo?s Nest, Chief drastically changed. By the end of the novel, he discovered who he was instead of hiding in the shadows of all of his peers. Chief realizes there are more important aspects of life than knowing everyone?s secrets and decides to make himself better known. He is an important character who helps shape and foreshadow event that occur in Cuckoo?s Nest.

Quiz Plasma Membrane

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Biology
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Question 1 1 out of 1 points In a lipid bilayer, __________ fatty acid tails face each other within the bilayer and form a region that excludes water. Answer Selected Answer: ?2.? hydrophobic Question 2 1 out of 1 points What is meant by the term "fluid mosaic model"? Answer Selected Answer: ?5.? It is the movement of lipids and integral proteins within the lipid bilayer. Question 3 0 out of 1 points Which of the following statements about lipid bilayers is FALSE? Answer Selected Answer: ?2.? They are self-sealing. Question 4 1 out of 1 points

Quiz Cell Organization

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Question 1 1 out of 1 points Proteins made on ribosomes may be further modified within the: Answer Selected Answer: ?1.? Golgi complex. Question 2 1 out of 1 points Figure 4-3 Use the figure to answer the corresponding question(s). The organelle featured in Figure 4-3: Answer Selected Answer: ?5.? plays a vital role in packaging materials to be secreted. Question 3 1 out of 1 points Which of the following is a key component of the cytoskeleton? Answer Selected Answer: ?1.? microtubules Question 4 0 out of 1 points It is advantageous for cells to be small because: Answer Selected Answer: ?2.? a small cell is better able to conserve energy than a larger cell.

Quiz Energy/Metabolism

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QUIZ 6 Question 1 1 out of 1 points The ultimate source of energy for almost all living organisms is: Answer Selected Answer: ?3.? the sun. Question 2 1 out of 1 points The life and death of cells are governed by: Answer Selected Answer: ?5.? the laws of thermodynamics. Question 3 1 out of 1 points The sum of all chemical activities taking place in an organism is: Answer Selected Answer: ?1.? metabolism. Question 4 1 out of 1 points Catabolic reactions involve the: Answer Selected Answer: ?5.? breakdown of large organic molecules to simple building blocks. Question 5 1 out of 1 points

Ap Bio Cell Analogy

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Cells

CELL EDITIONMall of America Version Cell Equivalent Explanation Food Court Mitochondria Cellular respiration takes place in the mitochondria so the cell can get energy in the form of?adenosine triphosphate?(ATP). Analogous to that would be hungry shoppers coming to fill their bellies at the food court and get energy to continue shopping. Vegetarian Restaruant Chloroplast Chloroplasts provide plants with their preferred method of energy production, energy from the sun. A vegetarian shopper would prefer the sunny atmosphere and fresh vegetables to the dingy food court for purposes of recuperation. Dumpster Vacuole

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