indicating electric potential‚ in volts‚ created by the charge that you introduced. Record the voltage and turn on “Plot”. 3.7 V 4) This line is much like a line on a geologic topo map. Explain the similarity. The similarity I notice is the circular graph with a noticeable center. 5) You are on the side of a hill with a topo map of the region. If you walked so that your trip follows a topo line you would be doing no work on your backpack. Why?. When using gravitational potential‚ you can collapse
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into two different properties: Potential energy and Kinetic energy. The law of Energy states that: Total Energy = Potential Energy + Kinetic Energy Or Em = Ep + Ek Also‚ the equations for Potential energy and Kinetic energy are stated to get the Total Energy. They are respectively: Ep = mgh and Ek = ½ (m)v2 The Conservation of Energy states that energy is always constant. If potential energy increases then kinetic energy
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Mechanical energy can be either kinetic energy (energy of motion) or potential energy (stored energy of position). Introduction: We use a system consisting of two weights hanging at each end of a thin thread lying over a wheel. A photo gate is placed so that the light is interrupted by the spokes of the wheel. The data are recorded electronically and this makes it possible to calculate the kinetic and gravitational potential energy of the weights. Setup: Procedure: The experiment is made
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WHAT IS TORQUE? Torque is a measure of how much a force acting on an object causes that object to rotate. The object rotates about an axis‚ which we will call the pivot point‚ and will label ’O ’. We will call the force ’F ’. The distance from the pivot point to the point where the force acts is called the moment arm‚ and is denoted by ’r ’. Note that this distance‚ ’r ’‚ is also a vector‚ and points from the axis of rotation to the point where the force acts. (Refer to Figure 1 for a pictoral
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scenarios (going up and down the stairs of the second floor and the third floor of the Main Building) wherein weight was also considered and following this‚ the power output of each member was also computed. Using the Logger Pro‚ the kinetic and potential energies of a ball in free fall were graphed and compared. At the end of the experiment‚ it was said that member #2 was the most “powerful” among the group since she had the highest power output both in going up and going down the stairs and in the
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Activity: Action Potentials Name: Barbara Uthe Instructor: Catherine Rice Date: 08.17.2014 Predictions Exceeding threshold depolarization at the trigger zone______the likelihood of generation of an action potential. increases Action potential amplitude increases with distance Increasing frequency of stimulation to the trigger zone decreases number of action potentials Materials and Methods Experiment 1: Effect of Stimulus Strength on Action Potential Generation Dependent
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predict that the higher I drop the ball from the higher it will rebound up‚ because it will have more gravitational potential energy the higher dropped from. As it is dropped the ball will have kinetic energy‚ and then when it hits the ground changes to heat and sound energy‚ and kinetic as it rebounds back up. The higher up the ball is dropped from the more gravitational potential‚ more kinetic energy on the way down and therefore more sound heat and kinetic energy when hitting the ground. The ball
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Change in Potential Energy Worksheet 1. A 7.3 kg gallon paint can is lifted 1.78 meters vertically to a shelf. What is the change in potential energy of the paint can? 2. A roller coaster car of mass 465 kg rolls up a hill with a vertical height of 75 m from the ground. What is the change in potential energy relative to the ground? 3. If the car in problem #2 starts at rest from the height of 75 m‚ what will its speed be when it is 5 meters from the ground? What is the change in potential energy
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ACTIVITY 1: THE RESTING MEMBRANE POTENTIAL 1. Explain why increasing extracellular K+ reduces the net diffusion of K+ out the neuron through the K+ leak channels? When the diffusion is greater on one side‚ the other side will slow down. 2. Explain why increasing extracellular K+ causes the membrane potential to change to a less negative value. How well did the results compare with your predictions? There are two potassium’s for every sodium so the increase of potassium will make it more
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Aim To determine whether the height at which a marble is dropped affect the size of the crater. Scientific knowledge Impact craters are geologic structures formed when a large meteorite‚ asteroid or comet smashes in to a planet or a satellite. Meteorites are small rocks in space that hit the earth’s atmosphere at a high velocity. Throughout their history they have heavily bombarded all the inner bodies in our solar system. In this experiment we will use marbles as our meteorites‚ these will be
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