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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order for the body to perform the tasks it is told to perform. The brain is responsible for controlling both voluntary and involuntary actions and coordinates and controls other organs in the body. The brain can do this by the use of postsynaptic potentials‚ synaptic transmission‚ and receptors that are responsible for producing and regulating specific behaviors. There are also six primary neurotransmitters that play a large role in how an individual behaves and how their brain functions. The combination
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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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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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of conservative forces which states that the work done on any path between two given points is the same. Potential energy - The energy of configuration of a conservative system. For formulae‚ see Definition of potential energy‚ gravitational potential energy‚ and Definition of potential energy given a position-dependent force. Total mechanical energy - The sum of the kinetic and potential energy of a conservative system. See definition of total mechanical energy. Work - A force applied over
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Assignment Due: Week 4 Eliciting a Nerve Impulse Activity 1: Electrical Stimulation 1. Do you see any kind of response on the oscilloscope screen? No 2. What was the threshold voltage‚ or the voltage at which you first saw an action potential? The threshold voltage is at 3.0 V. 3. How does this tracing compare to the one that was generated at the threshold voltage? There was a slight increase. 4. What reason can you give for the change? The increase in voltage. 5. Record
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PHYSICS NYB-21E Winter 2012 Chapter 3: Electric potential energy and electric potential ´ ´ Instructor: Jeremie Vinet Marianopolis College. – p. Review Important points from last lectures: q A point charge q creates an electric field E = ke 2 r ˆ r A point charge q0 placed in an electric field E feels a force Fe = q0 E – p. NYA flashback: Work When a net force acts on an object‚ it accelerates it. When an object accelerates‚ its velocity changes. When the speed of an object changes
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knowledge that physics offers us? The answer is no. Roller coasters are driven by physics; it mobilizes and gives its riders amusement through forces such as inertia‚ gravitation‚ and centripetal forces and utilizes different types of energies such as potential and kinetic energy. Physics is what makes roller coasters safe and effective. It is not only the high speed of the trains of a roller coaster that makes the ride so thrilling but the acceleration of the train and the occasional feeling of weightlessness
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Name:shasou Exercise 3: Neurophysiology of Nerve Impulses: Activity 5: The Action Potential: Measuring Its Absolute and Relative Refractory Periods Lab Report Pre-lab Quiz Results You scored 50% by answering 2 out of 4 questions correctly. 1. Which of the following occurs after the peak of the action potential? Your answer : b. Voltage-gated K+ channels open. Correct answer: d. All of these occur. 2. What is meant by Na+ channel inactivation? Your answer : a. The Na+ channel opens when the membrane
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2014). Gravitational potential energy (Egp) is a concept from the law of gravity. As an object is positioned with a gravitational field‚ the object can store energy which is called gravitational potential energy (Physicsclassroom.com‚ 2014). As the object begins movement or work the energy transfers into kinetic energy. Kinetic energy (Ekr) is an expression of energy in motion. When an object is in the act of work or movement the energy becomes active and transfers from potential into kinetic (Hyperphysics
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