Question

Please explain physically and make the math please ! thanks in advance Let ∆? be the...

Please explain physically and make the math please ! thanks in advance

Let ∆? be the pressure difference exerted on a tube by the passage of a fluid through it. How should this value be modified if the tube diameter is reduced by 10%, and it is desired to maintain the same flow?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Please make all the math thanks ! specially in part b) explain mathematically and physically a)...
Please make all the math thanks ! specially in part b) explain mathematically and physically a) An aluminum cylinder with a radius of 1.75 cm and 6.2 cm in length is subjected to a tensile force of 3,380 N. How much does it deform in its cross section? Young's modulus of aluminum is 7.0 × 108 ? / ?2, and the Poisson number is 0.34. b) Is the following statement true ?: By elastically elongating a rod of any material,...
Is about optics Please make all the math then explain physically according the problem and justify...
Is about optics Please make all the math then explain physically according the problem and justify the equations !! A thick plane-convex lens with n = 1.5, has a radius of curvature R = 24cm and a thickness on its axis of 2 cm. Calculate the focal length, the image position and lateral amplification when: a) The object is 50 cm from the vertex of the related curved surface b) When the object is 50 cm from the vertex of...
Please answer with detail. Thanks in advance!!! A group of researchers is interested in study the...
Please answer with detail. Thanks in advance!!! A group of researchers is interested in study the effects of caffeine on memory. They plan to use a sample of 25 adults, with the intention of generalizing the findings to the larger population. One of the researchers is concerned, however, because their sample appears to differ from the population in regards to a characteristic that he believes could hinder the generalization of the caffeine and memory study results. This characteristic is cortisol...
a) i. Explain the difference between elastic and plastic behaviour. [2 marks] ii. Explain how stretching...
a) i. Explain the difference between elastic and plastic behaviour. [2 marks] ii. Explain how stretching an object gives rise to internal shear. [3 marks] iii. What is meant when a material is described as having non-isotropic properties? [1 mark] b) Water circulates throughout a house in a hot water heating system. The water is pumped at a speed of 0.50 ms–1 through a 4.0 cm diameter pipe in the basement at a pressure of 3.0 x 105 Pa. What...
PLEASE EXPLAIN, THANKS A) Cullumber Inc. is a wholesaler of electronics. It purchased 2600 units of...
PLEASE EXPLAIN, THANKS A) Cullumber Inc. is a wholesaler of electronics. It purchased 2600 units of Product X for $2000 each during 2022. The selling price during the year was $2200 per unit. At year end, it had 200 units on hand and due to changes in technology, the selling price will have to be reduced by 35% in order to sell them. The value of each unit of Product X for the year-end inventory presentation should be a) $2000....
Hi, For Problem: Severance Pay below. Please explain why the correct answer is: (1) Between 9...
Hi, For Problem: Severance Pay below. Please explain why the correct answer is: (1) Between 9 weeks and 10 weeks (for Question: To make sure that the company pays comparable severance pay on the average, Bill Smith's severance pay should be? ) and (2) What is your conclusion? Does Bill deserve more in severance pay? Thanks Problem: Severance Pay When one company buys another company, it is not unusual that some workers are terminated. The severance benefits offered to the...
PLEASE ANSWER C!!! Bob & Betty Homebuyers want to make an offer on this property at...
PLEASE ANSWER C!!! Bob & Betty Homebuyers want to make an offer on this property at the list price. Bob earns $48,000 per year and Betty earns $54,000 per year. They have very good credit. Their monthly payments are $200 for student loans, $350 for their car payment and minimum credit card payment of $50. They have savings of $125,000. The balance of their student loans is $40,000. Insurance on this house will cost them $900 per year. Property taxes...
MULTIPLE CHOICE PLEASE MAKE SURE OF ANSWER 8. Control Charts for Slow Processes 1 point possible...
MULTIPLE CHOICE PLEASE MAKE SURE OF ANSWER 8. Control Charts for Slow Processes 1 point possible (graded) The usage of which of the following charts is suggested for slow moving processes according to the lecture? A- R chart B- X chart C- X-bar chart 9. MA and MR Charts 1 1 point possible (graded) Which of the following statements about moving average (MA) and moving range (MR) charts is NOT correct? A- Moving average (MA) and MR charts use sample...
For all hypothesis tests: Assume all samples are simple random samples selected from normally distributed populations....
For all hypothesis tests: Assume all samples are simple random samples selected from normally distributed populations. If testing means of two independent samples, assume variances are unequal. For each test give the null and alternative hypothesis, p-value, and conclusion as it relates to the claim. In a random sample of 360 women, 65% favored stricter gun control laws. In a random sample of 220 men, 60% favored stricter gun control laws. Test the claim that the proportion of women favoring...
Can you please select the right answer. Thanks Question 1 1 / 1 pts Why was...
Can you please select the right answer. Thanks Question 1 1 / 1 pts Why was there a need for healthcare reform?    Doctors and nurses were poorly trained and did not know how to provide adequate care for patients     Hospitals were not equipped with adequate medical devices     Millions of Americans has no health insurance     Hospitals were not making enough money, so insurance companies needed to raise premiums PartialQuestion 2 3 / 5 pts Match the components...