muscle response: twitch with 3 phases (latent‚ contraction‚ relaxation) 3. effects of increasing stim. Intensity on muscle force: forces increases then stays constant 1. Nervous Sys. I: Action Potential; Ion Channels; Membrane Potential 2. Nervoous Sys. II: Synaptic Potentials and Cellular Integration‚; Synaptic Transmission 3. Endocrine Sys.: Biochemistry‚ Secretion and Transport of Hormones; Actions of Hormones 4. Muscular Sys.: Neuromuscular Junction; Muscle Metabolism 5
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Energy Lab On November 13th‚ we did a lab to learn about energy. The definition of Kinetic Energy is energy of movement. The definition of Gravitational Potential Energy is energy in an object due to its positioning. The question that we had to answer was whether of not we could calculate the Gravitational Potential Energy and Kinetic Energy of various objects in different locations. To do this lab we had to first weigh the given objects. For this time‚ we weighed : a marble‚ a bouncy ball‚
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team members‚ however‚ reminded us that our eleven credits was better than many of the other teams in the league. Adding credits to teams in the league would only force us to pay more for players in free agency. This would also hurt our leverage in potential trades with teams that desperately need credits. Although it may seem counterintuitive to not want more credits‚ our team has a goal of winning the Super Bowl for our fans and value winning
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When assessing whether an industry has long-term attractiveness‚ there are many important factors that must be evaluated. The first is the industry’s potential for growth. If the industry doesn’t have a good growth potential it may not be profitable for very long or the competition may be too fierce for the market potential. If competitive forces are squeezing industry profitability to inadequate levels and if the competition appears destined to grow stronger‚ the industry will be less
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there must be a restoring force continually trying to restore it to its equilibrium position. For‚ the force exerted by an ideal spring obeys Hooke’s law. As an object in simple harmonic motion oscillates‚ its energy is repeatedly converted from potential energy to kinetic energy‚ and vice – versa. The content contained in sections 1‚ 2‚ 3‚ and 4 of chapter 10 of the textbook is included on the AP Physics B exam. QUICK REFERENCE Important Terms amplitude maximum displacement from
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by Dr. Abhijit Chaudhuri Dept. of Applied Mechanics IIT Madras‚ Chennai‚ India VIRTUAL WORK F F 1. Work on a particle: U r F r The particle can move along a specified a path 2. Work on a rigid body: F i) Due to translation F U r F r W r M ii) Due to rotation M U M by Dr. Abhijit Chaudhuri Dept. of Applied Mechanics IIT Madras‚ Chennai‚ India The equilibrium position of the particle under the action of different forces‚ needs to be determined r is
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between. The components are receptor‚ sensory neurons‚ motor neurons‚ relay neurons‚ and effector. 2. Describe the events of an action potential. The events that take place are that the motor neuron will be stimulated. At the axon hillock‚ this will cause Na+ to rush into the axon‚ triggering an action potential. Once that happens then the action potential will propagate down the axon until it reaches the terminal button. Here‚ Ca++ will enter the cell. This stimulates exocytosis of neurotransmitter
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Electric Field and the Movement of Charge Perhaps one of the most useful yet taken-for-granted accomplishments of the recent centuries is the development of electric circuits. The flow of charge through wires allows us to cook our food‚ light our homes‚ air-condition our work and living space‚ entertain us with movies and music and even allows us to drive to work or school safely. In this unit of The Physics Classroom‚ we will explore the reasons for why charge flows through wires of electric circuits
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model of SHM was cohesive with the observed parameters in the experiment. We also used Hooke’s Law to measure the spring characteristic‚ k‚ spring constant‚ in order to model energy of SHM and determine if energy is conserved via transfer between potential and kinetic. Simple harmonic motion is a mathematical model for many forms periodic motion such as sound waves within a medium‚ a pendulum‚ and electrons in matter. French mathematician Jean Baptiste made the first description of SHM in 1822.
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of mass 0.4 kilogram is launched horizontally with a velocity of 30 meters per second at time t = 0 as shown above. The potential energy of the ball is zero at the bottom of the cliff. Use g = 10 meters per second squared. a. Calculate the potential‚ kinetic‚ and focal energies of the ball at time t = O. b. On the axes below‚ sketch and Label graphs of the potential‚ kinetic‚ and total energies of the ball as functions of the distance fallen from the top of the cliff cliff cliff
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