A água escoa dentro de um tubo, como mostra a figura abaixo, com uma taxa de escoamento de 0,10 m 3 /s. O diâmetro no ponto 1 é 0,4 m. No ponto 2, que está 3,0 m acima do ponto 1, o diâmetro é 0,20 m. Se o ponto 2 está aberto para a atmosfera, determine a velocidade nos pontos 1 e 2.

Water molecules have one oxygen atom that is more electronegative than the two hydrogen atoms bound to it. As a result, which type of bonding holds water molecules together?A.) non polar covalent bondingB.)polar covalent bondingC.)ionic bonding A souvenir of the Eiffel Tower is scaled at 1/80 inch to 1 foot. If the first-story platform of the tower is 189 ft high, find the height of the first-story platform of the souvenir of the Eiffel Tower. 0.42 in 2.36 in 15,120 in 0.2 in -7 - 9 = 7+(-9)Add. A magazine contains thirteen pages. Youopen to a random page. The page numberis two or ten. No trecho (1)-(2) da tubulao. Que est num plano horizontal escoa gua em regime permanente. A perda de carga de (1) a (2) de 20m e a vazo, 10 L/s. Qual a fora resultante aplicada pelo fluido na tubulao? Alan is writing out the steps using the "shortest Route Algorithm". On the second step, he just circled the route ABD as the shortest route from A to D. What should he cross out next? Group of answer choicesAB; 2AC; 4AD; 6ABE; 8 What is the momentum of an adult female that is 75 kg riding a bicycle travelling at a velocity of 30 km/h. A consumer is consuming at a point on her budget line. Her income is $50 a week, and she purchases hamburgers and grilled cheese sandwiches. Hamburgers cost $4, and she consumes 10 of them. She consumes eight grilled cheese sandwiches. How much do grilled cheese sandwiches cost? Which is the approximate percentage of your body weight that is water? 90 percent 40 percent 25 percent 65 percent In a discipline that Kant called ____, he discussed such topics as gender differences, marriage, insanity, and the production and control of human behavior. An agreement between a business seller and buyer, in which the seller agrees not to open a competing business within a specific time period and geographic area, is called a: Nondisclosure statement Restrictive covenant Bulk transfer Letter of intent A specialized protein in saliva breaks up starch molecules in food into smaller chains of simple sugars. In this reaction, which molecule is the enzyme, which is the substrate, and which is the product? One of the four answer choices will not be used.a. Salivab. Starch moleculesc. Smaller chains of simple sugarsd. specialized protein Match the name of the sampling method descriptions given.Situations 1. divide the population by age and select 5 people from each age2. writing everyones name on a playing card, shuffling the deck, then choosing the top 20 cards3. choosing every 5th person on a list 4. randomly select two tables in the cafeteria and survey all the people at those two tables 5. asking people on the streetSampling Method a. Simple Random b. Stratified c. Systematicd. Convenience e. Cluster Siying's mother and father both lacked any formal education and supported their family by working as shoe shiners in a New York City subway station. Siying got a scholarship to attend an Ivy League university, went to medical school, and is now a neurosurgeon at a hospital in Boston. This is an example of:____________ Gram staining It is a differential staining method to differentiate between gram positive and gram-negative bacteria based on the differences in their cell wall composition. Gram positive bacteria has a thick meshwork of peptidoglycan layer due to which crystal violet iodine complexes get entrapped in between them and it appears purple. Gram negative bacteria does not have a thick meshwork of peptidoglycan, instead it is thin and therefore unable to trap crystal violet iodine complexes and loses purple color on alcohol wash. Rather, it gets a reddish oranges color on staining with safranine. Procedure - 1. On a slide, make bacterial smear. 2. Heat fix the cells. 3. Add a drop of crystal violet on the slide and wait for 1 minute. Wash off excess stain with water. 4. Add a drop of iodine on the slide and wait for 1 minute. Wash off the excess stain with water. 5. Wash with alcohol and wait for 30 seconds. Wash with water. 6. Wash with safranine and wait for 30 seconds. Wash with water. Gram positive will appear purple and gram negative will appear orange. Flu is causes by virus and therefore, cannot be detected by gram staining. Spore stain is primary staining method which uses malachite green dye to stain endospores. Simple stain is used to visualize bacteria by using only one stain. If it stains the bacteria, then it is positive stain and if it stains the background and bacteria is colorless then it is negative stain 6.8. Liquid methyl ethyl ketone (MEK) is introduced into a vessel containing air. The system temperature is increased to 55C, and the vessel contents reach equilibrium with some MEK remaining in the liquid state. The equilibrium pressure is 1200 mm Hg. (a) Use the Gibbs phase rule to determine how many degrees of freedom exist for the system at equilibrium. State the meaning of your result in your own words. (b) Mixtures of MEK vapor and air that contain between 1.8 mole% MEK and 11.5 mole% MEK can ignite and burn explosively if exposed to a flame or spark. Determine whether or not the given vessel constitutes an explosion hazard. Dr. Jones is developing a research study in which he plans to use the length of a participant's ring finger to determine mathematical prowess. At the most basic level, his indicator fails which test for validity? Check all items common to bases.mineralsmetalgasH+OH-nitrogen The 15th amendment to the constitution was passed about five years after the end of the civil war. What did it say? 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