pump is a protein that hydrolyses ATP in order to transport a particular solute through a membrane in order to generate an electrochemical gradient to confer certain membrane potential characteristics on it. This gradient is of interest as an indicator of the state of the cell through parameters such as the Nernst potential. In terms of membrane transport the gradient is of interest as it contributes to increased system entropy in the co-transport of substances against their gradient. One of the
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Roxann Milbourn Case study number 2 March 13‚ 2014 Badfish anatphys Neurotoxin 1. To present the doctor’s notes portion of the case with a description of the following terms or concepts: Diaphoresis- is the medical term for profuse sweating or perspiring. The skin’s sweat glands sweat to aid in fever management. When your body temp rises you autonomic nervous system causes you eccrine glands to secrete fluid onto the surface of the skin where it cools as it evaporates. Motor dysfunction_
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aircraft of mass 1200 kg is cruising at 250 km/h at an altitude of 2000 m. What is the gravitational potential energy (relative to the ground)‚ and what is the kinetic energy of the aircraft? m=1200 kg v=69.44 m/s Δh=2000 m Eg=mgΔh Eg=(1200)(9.8)(2000) Eg=23520000 J Ek=½mv2 Ek=½(1200)(69.44)2 Ek=2893148.16 J If the pilot puts the aircraft into a dive‚ what will be the gravitational potential energy‚ what will be the kinetic energy‚ and what will be the speed when the aircraft reaches an altitude
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Walking involves a cyclic exchange of gravitational potential energy and kinetic energy of the center of mass. Our goal was to understand how the limbs of walking quadrupeds coordinate the vertical movements of the fore and hind quarters to produce these inverted pendulum-like movements. We collected kinematic and ground reaction force data from dogs walking over a range of speeds. We found that the fore and hind quarters of dogs behaved like two independent bipeds‚ each vaulting up and over its
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Investigatory Project in Physics Submitted by : Jay Loteyro Anecito Trongcoso Submitted to: Ms. Matilde Macawile Balloon Powered Car When it comes to powering a race car‚ there are a ton of different options. Some cars are powered by gasoline‚ diesel‚ or other combustible fuels‚ or you can even power miniature race cars using a mousetrap! In the Balloon Powered Car‚ we’ll show you how to build a racer that uses the power of air pressure to roll across a room. Objectives:
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Project 1: 1. Results for a: ht=500/ spd=0mph —too slow! Satellite crashed into Earth! Results for b: ht=500/ spd=100mph —too slow! Satellite crashed into Earth! Results for c: ht=500/ spd=25000mph —too fast! Satellite left viewing area and took off in space somewhere! I was determined to get a 100%‚ so I played around with the numbers until I found that at 500 miles above the Earth‚ the satellite would have to be launched at 16‚700mph in order to reach a perfect orbit. Below is the explanation
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purpose of this experiment is to calculate the gravitational potential energy through experimental values‚ to calculate the theoretical potential energy given the experimental kinetic energy in an isolated system while also using the kinetic energy to find the spring constant‚ and to compare kinetic energies and potential energies in an isolated system to see if they are equivalent. METHOD To calculate the gravitational potential energy through experimental values‚ we dropped a racquetball
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Holt Physics—Chapter 5: Work and Energy Price I. Section 5.1—Work A. Definition of work 1. Work does not mean the same thing in Physics as it does in the everyday sense of the word. 2. Work is defined as a force causing a displacement. Work = force x displacement W = Fd 3. Work is NOT done on an object unless the displacement is greater than zero 4. The only forces that are considered to do work are those that
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observed an action potential was 3.0V 2. How does this tracing compare to the one that was generated at threshold voltage? The small increase in voltage causes a small increase in the height of the action potential peak. 3. What reasons can you give for your answer? Recruitment of the nerve’s neurons. Increasing the voltage will cause most of the neural fibers to experience depolarization. 4. At what voltage did you no longer observe an increase in the peak of the action potential trace? Maximum
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WAVE ENERGY Chapter 2: Energy Technology 2.1 Source of Wave Energy Ocean waves are caused by the wind as it blows across the open expanse of water‚ the gravitational pull from the sun and moon‚ and changes in atmospheric pressure‚ earthquakes etc. Waves created by the wind are the most common waves and the waves relevant for most wave energy technology. Wave energy conversion takes advantage of the ocean waves caused primarily by the interaction of winds with the ocean surface. Wave energy is
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