Numerade

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Explain how the Geiger-Müller tube works, and how it allows us to count detections of ionizing radiation. It would be important to discuss the construction of the Geiger-Muller tube and how this supports its operation as a detector. Be as complete and thorough as possible.

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7. (1 point) Explain why AES in ECB is good for nothing!

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Which of the following are irrational numbers? Select all correct answers. Select all that apply: √ 19 0.8484484448 ... 0.7676767676 ... 5.63 √ 7 − 6

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Which of the following is an example of investment in economics cryptocurrency offiec buildings stocks social security payments

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Matcnng ``` $ 10 \% $ ``` Men who were poid to travel in the North to find and bring back runawny enslaved people. $ 14 \quad 6 $ Drunkard's Path- Reminded passengers to travel in a zigzag pattern and/or represented the locotion of the "stations". Someone who guided enslawed people escape to the North or Canada. An enslawe person escaping by the Underground Railrood. A person that went to plontations to try and help enslaved people escape by telling them a time and place to meet near the plantation. A safe house or place where escaping enslaved people could rest and get food. Ar escaped erislaved person who led about 300 enslawed pecple to freedorr. Called the "Mases of Her Pecple". \[ 86 \] It served for the purposes of remembering history. celebration, expressing emotions, communicating codes from cne group to another. Frederick Douglass Someone who apposed slavery and worked to end it. Hidden messages in the patterns and symbols were used to "talk" and tell their stories about everyday life. The use of the Big Dipper to help locate the Narth Star. Was nicknomed the "Blocdhound Law" Monkey Wrench- A signal used to alert other enslawed people that it. was time to gather the trols needed for their joumey on the Underground Railrood. 1. Harriet Tubmon 2. abolitionist 3. conducter 4. passenger 5. station 6. Fugitive Slave Act 7. Agent a. months in jail or a large fine for helping runaway enslaved people 9. Published an anti-slavery newspaper called The Narth Star: 10. slave catchers 11. Follow the Drinking Gourd 12. Music 13. 14. 15. Quilts

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This enzyme would appear to be a good anti-obesity drug target because ACC catalyzes the first committed step of fatty acid synthesis, so blocking this step might decrease the fatty acids available for storage as adipose (fat). The Malonyl-CoA produced in the ACC reaction inhibit import of fatty acyl-CoA into the cytosol, so lowering the level of malate might help promote fatty acid breakdown and reduce fat accumulation.

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During a high-speed chase, a 2,394-lb sports car traveling at a speed of 98 mi/h just loses contact with the road as it reaches the crest A of a hill. Determine the radius of curvature $\rho$ of the vertical profile of the road at A then Using the value of $\rho$, determine the force exerted on a 182-lb driver by the seat of his 3,344-lb car as the car, traveling at a constant speed of 41 mi/h, passes through A.

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Neurotransmitter release at the axon terminal bouton (exocytosis of synaptic vesicles, release of neurotransmitter molecules into the synaptic cleft) is triggered by action potentials that stimulate entry of _________ into the axon terminal through voltage-gated channels. Question 1 options: K+ Ca2+ Na+ Cl-

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Question 6 A PLC is used to control the sequence in an automatic drilling operation. A human operator loads and clamps a raw workpart into a fixture on the drill press table and presses a start button to initiate the automatic cycle. The drill spindle turns on, feeds down into the part to a certain depth (the depth is determined by limit switch), and then retracts. The fixture then indexes to a second drilling position, and the drill feed-and-retract is repeated. After the second drilling operation, the spindle turns off, and the fixture moves back to the first position. The worker then unloads the finished part and loads another raw part. (a) Determine the input/output variables for the PLC (b) Determine the states for the operation of the system (c) Write out the sequential function chart program to control this automated drill (d) Write out the state machine and the relevant code to control this automated drill.

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4. Consider an incumbent firm in a monopolistically competitive market. (a) (2 marks) Describe the two key attributes of a monopolistically competitive market in the short run. (b) (1 mark) Describe one further attribute of a monopolistically competitive market that holds in the long run. (c) (5 marks) With reference to a diagram, compare and contrast an incumbent firm's situation in short run with its situation in the long run. (Hint: describe how and why an incumbent firm's demand curve evolves over time.) (d) (2 marks) Assuming that the average cost curve is U-shaped, discuss the question of long-run efficiency in a monopolistically competitive market.

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