where the arm hits to stop at an 80° angle. Next we added the arm and tested it out. Finally we painted it and and topped that off with some splatter paint. Our catapult stores energy in the bungee cords at the bottom. When the ball is fired the potential energy in the bungees are converted into kinetic energy. The force of the bungee cords causes the bottom of the arm to fly back and the front of the arm to fly forward. The kinetic energy travels through the arm to the top of the lacrosse stick and
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components of a reflex arc. Receptor‚ Sensory neuron‚ Integration‚ Motor neuron‚ and Effector. Somatic reflexes activate skeletal muscle and autonomic reflexes activate smooth or cardiac muscle 2. Describe the events of an action potential. During the action potential part of the neural membrane opens to let + charged ions in the cell and let – charged ions out. This causes a rapid increase in positive nerve fiber. 3. What is presbyopia? An age related disease that makes it hard to focus
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It was hypothesised that as the drop height increases‚ the bounce height of all the balls will also increase. This is because the increasing drop height will result in an increase in the gravitational potential energy found within the balls that results in an increased transformation into kinetic will transform back into kinetic energy on the rebound; the by-product of which is a greater bounce height. The hypothesis was supported by the results. The results showed a clear trend where a steady increase
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The law of physics is basically the engine of the train. At the top of the hill‚ the cars possess a large amount of potential energy because they are elevated very high above the ground. The potential energy depends on the mass and the height of the object. As the cars are released they lose a lot of their potential energy but they gain kinetic energy because all of the potential energy is transferred into kinetic energy. The kinetic energy depends on the mass of the object and the speed of the
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software better. The experimental principle is the total energy of the kinetic and potential energy‚ elastic potential energy of the spring on the swing‚ is unchanged. So we do this experiment in order to prove that correctness of the above principles. Finally‚ the experimental results tell us that‚ although there are errors‚ the experimental principle is the total energy of the kinetic and potential energy‚ elastic potential energy of the spring on the swing‚ is unchanged. Objective
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Energy said that Energy cannot be created or destroyed; it may be transformed from one form into another‚ but the total amount of energy never changes. By winding the spring on your mousetrap car‚ you store energy in the spring as potential energy. This stored potential energy will convert energy into kinetic energy as the mouse-trap car begins to move. But there is friction and in order to overcome friction you have to do more work. Friction converts energy into heat and sound which takes away energy
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field surrounds all electrically charged particles. With electric fields‚ one can determine the effects of all of the charges in the environment. In this lab entitled “Electric Fields and Potential Mapping”‚ the main goal obtained was to examine and deliberate the effects of an electric field and electric potential. Examples of some effects of electric fields include resultant forces‚ changes in motion‚ changes in current flow‚ etc. By using conductive paper connected to a power supply and a voltage
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Before and after design of a yo-yo.3 A yoyo works by converting potential energy into different kinds of energy as it falls down. When the string is tightly wound around the axle and the yoyo rests in the person’s palm‚ the yoyo has a lot of potential energy. The potential energy is turned into the two of the following: gravitational energy and the potential to spin as it unwinds. When the yoyo is allowed to fall‚ the potential energy turns into kinetic energy giving the yoyo linear momentum
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with each other. Scalar quantity is one which has magnitude but no direction. Vector is a quantity which has direction as well as magnitude. Thermal Physics: The internal energy is a function of state and the total microscopic kinetic and potential energies of the particles composing the system. The specific latent heat of fusion‚ Lf ‚ is defined as the amount of heat required per unit mass to change a substance from the solid phase to the liquid phase without any change in temperature The
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Introduction Energy comes in different forms and different terms distinguished one form from another. Potential energy is called the energy that possessed by an object due to its position. Kinetic energy is called the energy possessed by an object due to its motion. Energy is neither created nor destroyed; it only converted from one form to another. Conversion energy from one form to another Potential energy can be converted into kinetic energy and vice versa. The classic example of this intra-conversion
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