They consist of energy‚ kinetic energy‚ potential energy‚ conservation of energy‚ velocity‚ acceleration‚ mass‚ force‚ and gravity. Fist there is energy. You need to go to bed early so you will have energy in the morning to go to school. Energy gives you the e ability to do work. Energy is everywhere in nature‚ sunlight wind‚ water‚ plants‚ and animals. We use energy everyday. There are two kinds or energy. There’s kinetic energy and potential energy. There are many forms of energy
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the bottom of the stick. Once they are balanced and ready to start bouncing the person applies a downward force on the pedals. When they push down it causes the spring to become compressed. The stored energy in the coils of the spring is elastic potential energy. This extra energy provides the pogo stick with an extra amount of force on it’s way back up. With the uncoiling of the spring it releases kinetic energy causing you to get a higher bounce while doing the same amount of work with your legs
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Mouse Trap Car The mouse trap car we designed for this project was pretty standard. We used metal rods with rubber wheels attached for the axles and wheels. We supported the axles to the frame using "U" nails. Our wheels featured some spinners as well. For the actual body of the car we glued the mouse trap on another piece of wood to lengthen the body. The mouse trap was hot glued on the top with a extended arm for more leverage. One end of a rope was glued on the extended mouse trap arm and the
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Virtual Lab Stimulation Exercise 3 Activities 1-5 Study online at quizlet.com/_cfevi 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. An action potential is an "all-ornothing" event. Explain what is meant by this phrase. This means that once the threshold is met‚ an action potential occurs. If the stimulus is too small an action potential does not occur. An action potential is usually initiated in an axon at or near what? The axon hillock‚ the initial segment‚ and the trigger zone. The adequate stimuli
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Work The work done on an object by a constant force is W = Fd = Fcos d where F is the magnitude of the force‚ d is the object’s displacement‚ and is the angle between the direction of the force and the displacement . Solving simple problems requires substituting values into this equation. More complex problems‚ such as those involving friction‚ often require using Newton’s second law to determine forces. Example: An Eskimo returning from a successful fishing trip pulls a sled loaded with
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How a Catapult Works: “Catapult physics is basically the use of stored energy to hurl a projectile the payload‚ without the use of an explosive.”1 The entire catapulting process depends on the storing of potential energy as tension of ropes or wooden arm or gravitational potential energy2 “Catapult" is the name given to a variety of related siege weapons used to hurl projectiles. Crucial during Medieval times and even earlier‚ these simple machines make use of stored energy. This proce
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Muscle Contraction & Excitation Muscle excitation takes place when there is a synaptic transmission and induction of an impulse. There are six steps that take place during muscle excitation. (1)The action potential travels down the somatic motor neuron axon reaching the synaptic bulb causing calcium ions to flow into the synaptic bulb. (2)The increase of calcium in the synaptic bulb causes the synaptic vesicles to undergo exocytosis. (Exocytosis a process that allows large molecule to leave
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Name___ Unit 9 Worksheet – Membrane Potentials Each answer is worth 1 point (20 points total) To complete this worksheet‚ select: Chapter 12: Nervous Tissue Animations Introduction to Membrane Potentials 1. Describe the neuron function. Neurons act to facilitate the transfer of data amongst the body’s cells sustaining homeostasis 2. Contrast graded potentials and action potentials. Graded potentials are electrical signals that have variable amplitude‚ are
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Introduction and Objective The action potential is an impulse of electrical activity. Action potential occurs when a neuron sends messages electrochemically down an axon called a nerve impulse. When a neuron is not stimulated or inactive‚ it is at resting potential. When a neuron is at rest‚ the electrical charge on the inside of the neuron is negative while the electrical charge on the outside of the neuron is positive. The resting membrane potential of a neuron is about -70 mV (mV = millivolts)
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How‚ Popsicle sticks and rubber bands‚ can you build something to launch a gummy bear? Hypothesis If I tie three Popsicle sticks in a certain way‚ and tighten rubber bands around them‚ when you pull the rubber bands they will create enough potential energy to launch a gummy bear. Variables Independent: Rubber bands and‚ the Popsicle sticks Dependent: The distance the gummy bear travels Materials and Procedures Materials: • 3 rubber bands • 3 popsicle sticks • A gummy bear • Measuring
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