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An action potential is O an electrical signal that travels along the axon of a neuron. O the tiny electrical charge that exists when a neuron is neither receiving nor sending information. O an electrical signal that travels along the dendrites of a neuron. O the small gap that exists between adjacent neurons.

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use this conversion to find the amount of energy produced in kj when the volume of a piston expands from liter to 11 liters at 10 atm

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Vandelay Industries is considering the purchase of a new machine for the production of latex. Machine A costs $2.3 million and will last for six years. Variable costs are 35 percent of sales, and fixed costs are $325,000 per year. Machine B costs $4.9 million and will last for nine years. Variable costs for this machine are 30 percent of sales and fixed costs are $365,000 per year. The sales for each machine will be $11 million per year. The required return is 10 percent, and the tax rate is 24 percent. Both machines will be depreciated on a straight-line basis. The company plans to replace the machine when it wears out on a perpetual basis. Calculate the EAC for each machine. Note: A negative answer should be indicated by a minus sign. Do not round intermediate calculations and enter your answers in dollars, not millions of dollars, rounded to 2 decimal places, e.g., 1,234,567.89. Machine A Machine B Which machine should the company choose? O Machine A O Machine B

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A road is to be constructed between two cities. Two routes are proposed: A and B. Use multiple criteria decision analysis to find out which proposal is most suitable. (15 marks) Proposal A has the following characteristics: \begin{itemize} \item Construction cost: 1.5 million dollars \item Life cycle: 20 years \item Cross agriculture lands: 50\% of the road is located in agricultural areas. \item Annual maintenance cost: 20,000 dollars \item Served people: 55,000 inhabitants. \end{itemize} Proposal B has the following characteristics: \begin{itemize} \item Construction cost: 1.75 million dollars \item Life cycle: 20 years \item Cross agriculture lands: 20\% of the road is located in agricultural areas. \item Annual maintenance cost: 30,000 dollars \item Served people: 25,000 inhabitants. \end{itemize} Assume an interest rate of 3\% Tips: Choose your weights and assign the rates for economic, social, and environmental factors.

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In 7-10 sentences What are some of the causal factors in the development of paraphilias?

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Problem 2. Normalize the following wavefunctions: a) $\Psi(x) = \sin(x)$ $0 \le x \le 2\pi$ b) $\Psi(x) = e^{2x}$ $0 \le x < \infty$ c) $\Psi(x) = e^x$ $0 \le x \le \pi$ Hint: please note that the first wavefunction is real, while the second wavefunction contains an imaginary number.

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3 (10 pts) Assume Q3 is dissolved in 1.00 L of pure water (density = 1.00 g/ml). Also, assume a volume change on solution formation of 1.00 ml/2.0 g of solute added. Calculate: a) M b) m c) % mass d) $X_{solute}$

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An autonomous car is planning on turning from one road to another, with its front right wheel track following the curve (4-4.1 \cos(0.3t), 0+5.1\sin(0.3t)), t=0 to t=3. a) Write an integral to compute the distance travelled as a function of time. b) Then, use Desmos or WolframAlpha (perhaps repeatedly) or Excel to fill out this table. You don't need to give any more than 3 decimal digits. Explain which tool you used and how you used it. Time Total dist. travelled so far (sec) since time 0 0 0.5 1.0 1.5 2.0 2.5 3.0

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15. The volume inside of a typical laboratory incubator is 150.0 L (0.150 m³). For mammalian cell cultures, the temperature is maintained at 37.0 °C (310.0 K) and a gas mixture is constantly flowed in at a pressure of 1.05 bar (105 kPa). a. (4 Points) How many moles of gas are inside the incubator under these conditions? b. (4 Points) In order to maintain a constant pH when using bicarbonate buffers, the gas mixture has 5.00 mole percent $CO_2$. What is the partial pressure of $CO_2$ inside the incubator? a. (4 Points) In order to not dry out the media in tissue culture dishes, water is part of the gas mixture (6.2 mole percent). What is the mass of water in the gas phase inside the incubator assuming it maintains the same partial pressure as the original mixture?

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An imperial spaceship, moving at high speed relative to the planet Arrakis, fires a rocket toward the planet with a speed of 0.920c relative to the spaceship. An observer on Arrakis measures that the rocket is approaching with a speed of 0.360c. 1: What is the speed of the spaceship relative to Arrakis? 2: Is the spaceship moving toward or away from Arrakis? (Available Options): "toward Arrakis" or "away from Arrakis.

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montserrat p.