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A model of a helicopter rotor has four blades, each 3.40 m long from the central shaft to the bladetrip. The model is rotated in a wind tunnel at 550 rev/min. (a) What is the linear speed of the bladetip, in m/s? (b) What is the radial acceleration of the blade tip expressed as a multiple of theacceleration of gravity, g?
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Find an equation in slope-intercept form for the line passing through each pair of points: (4, 7), (1, 4)
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Compare Jimmy Carter & Ronald Reagan's debate answers to inflation
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1. Tina is caring for an infant who is running a very high fever and vomiting whenever Tina tries to feed him some water to keep him hydrated. If she continues to give him water to try to lower his body temperature and increase hydration and, as a result, he vomits more fluid than he is drinking, then he will only get more dehydrated, and his body temperature will rise. What do you think Tina should do to reduce the childs fever, make him more comfortable, and enhance his ability to drink liquids?What are some medical terms that Tina might use when documenting the infant's condition? (at least three)
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A sample of iodine-131 has an activity of 200 mCi. If the half-life of iodine-131 is 8. 0 days, what activity is observed after 16 days?0. 5 half livesStep [1]: Determine the number of half lives. x 1285. 88 x10-37mci16 days128 half lives2 half lives80 half lives1 dayStep [2]: Find the final activity. 50. 0 mci200. Mci200. Mci(initial activity)
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A small rubber wheel is used to drive a large pottery wheel. The two wheels are mounted so that their circular edges touch. The small wheel has a radius of 2. 8 cm and accelerates at the rate of 6. 0 rad/s2, and it is in contact with the pottery wheel (radius 23. 0 cm ) without slipping. Calculate (a) the angular acceleration of the pottery wheel, and (b) the time it takes the pottery wheel to reach its required speed of 65 rpm
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the cfo of the company believes that an appropriate annual interest rate on this investment is 6.5%. what is the present value of this uneven cash flow stream, rounded to the nearest whole dollar? $1,475,000 $467,500 $650,014 $1,692,500
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Two observers at point A and B, 150 km apart, sight a balloon between them at angles of elevation 42 and 76 respectively. How far is the observer A from the balloon? Round answer to the nearest tenthPlease show step by step
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ETA 4Answer the following: Myla bought an item P2,500. She decided to sell it wil 2% markup. How much will Mylas selling price be? Joan sold her old iphone for P5000 at 8% markdown rate. Find the markdown and the original cost of the phone. A student assistant bought an item for P520 but later decided to sell it at P550. What is the markup? Mother organize a garage sale and earned P120 on one item at 60% markdown. How much did mother buy the item?The cost of a t-sirt from the manufacturer is P400. If loan wants a 30% markup based on the selling price, how much will her selling price be?
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Suppose a U.S. investor wishes to invest in a British firm currently selling for 40 per share. The investor has $10,000 to invest, and the current exchange rate is $2/. Suppose now the investor also sells forward 5,000 at a forward exchange rate of $2.10/. Required: a. Calculate the dollar-denominated returns for each scenario. (Round your percentage answers to 2 decimal places. Negative amounts should be indicated by a minus sign.) Rate of return(%) at given exchange ratePrice per share 1.80/ 2.00/ 2.20/35/40/45/
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An echo bounces off the side of a mountain which is 290 m away from a hiker who yells at the mountain. If the hiker hears the echo 1.7 s after yelling, how fast was the sound wave traveling?
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Psychology and sociology are two terms in the study of human minds. Psychology is the study of an individuals mind and behavior. It has many subdivisions and using this situation, an individuals behavior is studied. Sociology is the study of the behavior and functioning of human society. It explains the culture and diversity seen among a group of people. TimelineDescription automatically generatedQuestion: Give three real-world examples how psychology and sociology differ. (33 points each)
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Express the negation of each of these statements in terms of quantifiers without using the negation symbol.a) x(x > 1)b) x(x 2)c) x(x 4)d) x(x < 0)e) x((x < 1) (x > 2))f ) x((x < 4) (x > 7))
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A) Determine the [OH] of a solution that is 0. 145 M in CO32 ( Kb=1. 8104 ). Express your answer using two significant figures. B) Determine the pH of a solution that is 0. 145 M in CO32. Express your answer to two decimal places. C) Determine the pOH of a solution that is 0. 145 M in CO32. Express your answer to two decimal places
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Help pls! Find the area of the circle Use = 3.14 and round your answer to the nearest hundredth.
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This is Due 2day, Help.Evaluate 4.5(xy) - x/5 if x = 12 and y = 2/3. Write your answer as a MIXED NUMBER in SIMPLEST FORM.
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Select the correct answer.Mary is buying several items that cost $128.25 total. She is using a store coupon for 35% off her purchases. She has to pay 4% sales tax. Calculate the total cost of the items. A. $80.03 B. $83.36 C. $86.70
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Determine the meaning of the word alacrity as it is used in the excerpt from The Adventures of Tom Sawyer, using context clues in the text. Write your definition of alacrity here and tell how you found it.
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The "covenantal dynamic" refers to what, specifically
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In a ABCD Rhombus, B angle minus A equals 20 degrees. What degrees are all the angles of the Rhombus if B-A=20?
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Consider your interaction with social media. What do you think makes organizational public relations (PR) campaigns effective on social media?
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A student determined that the mass of the carbon product was less than the mass of the sulfuric acid and sugar that were combined. how would you account for this loss of mass? use evidence and scientific reasoning to support your answer.
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1. )An_____is a temporary magnet2. )An electromagnet may be produced by making electricity flow through a ______of wire3. )The study of electricity and magnetism and how they are connected ,is called_____4. )An electromagnet can be made_______by using more coils of wire5. )Electromagnets are_____magnets that can attract any metal or magnetic material
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Given Circle C, calculate the length of PQ (Thx for any help!)
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