Please answer the question number 4. Show the complete solution. Thank you. 3. A small drop of water at 80° F is in contact with the air and has a diameter of 0.0200 in. If thepressure within the droplet is 0.082 psi greater than the atmosphere, what is the value of the surfacetension?Answer: 0.00492 lb/ft4. Helium at 149 kPa absolute and 10°C is isentropicallyl compressed to one-fourth of its originalvolume. What is its final pressure?Answer: 1488 kPasbs (Use: k = 1.66)

Answer 4: Given data: P1=149 kPaT1=10°CV2=14V1 Need to determine the final pressure.

Answered: 4. Helium at 149 kPa absolute and 10°C…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The attached answer was provided for the attached question. The equation uses the given temperature in celcius and the answer is also given in celcius. The temperature was used in the equation without converting from F and the answer was supposed to be in F. I am worried that even if I converted the answer to celcius that it would be correct because temperature was used in the equation using the incorrect unit.
Please do the last three questions (2, 3 and 4)! Thank you in advance! A seesaw that weights 45lbs and its 5m long is balanced on the fulcrum in the center. 1- Two children are sitting on opposite sides of each other on the seesaw. One child weights 50lbs and is sitting 0.7m on the left end. Where should the other child sit in order to be balanced on the seesaw if they weigh 42lbs? 2- Now, a third child wants to sit on the seesaw and weighs 30lbs and is sitting 1.25m in front of them and is closer to the fulcrum on the right side. What are the CW and CCW moment of the seesaw now? What is the net moment and direction? 3- Then, a fourth child wants to play on the seesaw and is on the left side of the plank in order to bring the system to equilibrium. How much does the child weigh (Calculate the pounds of force needed in order for rebalance?) 4- Now the fourth child leaves the other three children sitting on the plank. If the three children are sitting in the same potions as they did…
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4. Helium at 149 kPa absolute and 10°C is isentropically compressed to one-fourth of its original volume. What is its final pressure? Answer: 1488 kPasb: (Use: k= 1.66)