Action Potentials An action potential is the change in electrical potential associated with the passage of an impulse along the membrane of a muscle cell or nerve cell. An action potential occurs when a neuron sends information down an axon‚ away from the cell body. A threshold is the minimum amount of stimulation needed to start a neural impulse (you know‚ the electrical impulses that travel throughout your body carrying important information). Action potentials generated by neural impulses are
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Water Potential Teacher: What is the formula for water? Student: H‚ I‚ J‚ K‚ L‚ M‚ N‚ O Teacher: That’s not what I taught you. Student: But you said the formula for water was...H to O. Prepared by Lower concentration of solute Water potential – the ability of water move out of the solution through osmosis. Solute molecule Equal concentration of solute Higher concentration of solute H2O Selectively permeable membrane Water molecule Solute molecule with cluster of water molecules Net flow
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believe in luck? Furthermore does an atheist believe in luck‚ if not why not? Does luck differ from fortune or even destiny? Some claim that luck occurs to those that are prepared; I would have to repudiate such claims. The most vivid recollection of luck I’ve had was in eighth grade. The vice-principal also held the role of “dean.” To phrase it bluntly he was in charge of dishing out punishment. I had
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Question 1 | 1.61 points | Save | | You are standing on a scale in an elevator. Suddenly you notice your weight decreases. What do you conclude? | | | | | | | | The elevator is accelerating downwards. | | | The elevator is moving at a constant velocity downwards. | | | The elevator is moving at a constant velocity upwards. | | | Your diet is working. | | | The elevator is accelerating upwards. | | | | | | Question 2 | 1.61 points | Save | | Tidal
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lead to ignorance‚ fear‚ or belief in magic." There is probably as many superstitions in this world as there are people Where they come from? well that varies from superstition to superstition. For example: "Breaking a mirror will cause bad luck for seven years." That dates back to when it was believed that our reflection was a representation of our soul. So if you damage the reflection‚ you damage your soul "Never let a black cat cross your path." That was from ancient Egypt‚ where
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Potential Energy Potential Energy is a type of energy that does not involve motion. It is the energy that is stored up. The more work done to change an object’s position or shape‚ the more potential energy it has. For example‚ a person on a ladder has more potential energy than a person on the ground because they have done more work to get up there. Kinetic Energy Kinetic Energy is the energy of motion. The more work an object has done‚ the more kinetic energy it has. the amount of kinetic
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MGH Evoked Potential Normative Values Pattern Shift Visual Evoked Potentials P 100 Latency (msec) Inter-eye difference (msec) P 100 Amplitude (µV) P 100 Amplitude % difference Mean 102.3 1.3 10.1 85.5% SD 5.1 2 4.2 10.50% Mean + 3 SD 117.6 7.3 N/A Notes (Smallest/Largest) 53.9% X 100 Brainstem Auditory Evoked Potentials Latencies (msec) I II III IV V VI Inter-wave latencies (msec) I-III I-V III-IV III-V IV-V V-VI Mean 1.7 2.8 3.9 5.1 5.7 7.3 SD 0.15 0.17 0.19 0.24
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examples of work done=force x distance What is work? Work in physics is the transfer of energy; work is done on an object when an applied force moves it through a distance. The link between work and energy is work done equals energy transferred. The units for the two are also the same (joules). E.g. 500J of work = 500J of kinetic energy. Work is calculated with the formula: work done=force x distance moved For example‚ if a force of 10 newton (F = 10 N) acts along point that travels 2 meters
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Just my luck! Have you ever broken a mirror and felt worried afterwards because of the supposed seven years of bad luck or if you were to choose‚ would you decide on a snow-white cat or a pitch-black one? It is incredible how‚without even realising it‚ more and more people are becoming superstitious. In Albania‚ the superstitions’ subject is extremely fascinating. In my country‚ the variety of superstitions in which people compliantly believe is extraordinary. In general‚ Albanians tend to relate
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success but luck has also some role to achieve those successes. So many people in this world work very hard but still do not meet their dreams and goals. From my everyday experience and observation I can totally disagree with the statement. I think people should have good luck also to lead
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