A helium balloon and its gondola, of mass M, are in the air and stationary with respect
Question:
Step by Step Answer:
Call the origin of coordinates the CM of the balloon gondola an...View the full answer
Engineering Mechanics Dynamics
ISBN: 9781118885840
8th Edition
Authors: James L. Meriam, L. G. Kraige, J. N. Bolton
Related Video
Helium and hydrogen balloons from a chemistry perspective is the atomic structure of the gases. While both helium and hydrogen balloons can achieve lift and rise into the atmosphere, the choice between the two gases is mainly based on safety considerations. Helium is non-flammable and non-reactive, making it a safer choice than hydrogen, which is highly flammable and can react with oxygen in the air to form water vapor. As a result, helium is the gas of choice for most commercial and recreational balloons, while hydrogen is only used in specialized applications where its high lifting power is necessary and the risks can be mitigated. Buoyancy is the upward force that is exerted on an object when it is immersed in a fluid (in this case, air). This force is equal to the weight of the fluid displaced by the object. When a balloon is filled with helium or hydrogen gas, it becomes lighter than the surrounding air because these gases have a lower density than air. As a result, the upward buoyant force on the balloon is greater than the downward force of gravity, causing the balloon to rise into the air. The amount of lift generated by a balloon depends on several factors, including the volume of the balloon, the amount of gas it contains, and the weight of the balloon and any attached objects. A larger balloon or one filled with more gas will generate more lift, while a heavier object attached to the balloon will require more lift to be generated to keep it aloft.
Students also viewed these Mechanics questions
-
Two small spheres of mass m are suspended from a common point by threads of length L. When each sphere carries a charge q, each thread makes an angle ? with the vertical as shown in Figure. (a) Show...
-
Two small spheres of mass m are suspended from strings of length that are connected at a common point. One sphere has charge Q; the other has charge 2Q. The strings make angles 1 and 2 with the...
-
A mass m slides down a smooth inclined plane from an initial vertical height h, making an angle a with the horizontal. (a) The work done by a force is the sum of the work done by the components of...
-
public class Class extends ClassA public classB ( ( Time left 0 0 : 1 2 : 0 3 int init = 1 0 ; super ( 4 0 ) ; O a . . The method super is not defined. b . . No values may be passed to super. O c . ....
-
1. For her 1st birthday, Ruth's grandparents invested $1000 in an 18-year certificate for her that pays 8% compounded annually. How much will the certificate be worth on Ruth's 19th birthday? 2. To...
-
Rockville Consulting Group expects to add $271,898 to retained earnings this year. The company has total assets of $3,425,693 and wishes to add no new external funds for the coming year. If assets...
-
How can computers be used to assist in the litigation process?
-
Imagine that you are a manager in a commercial printing company, and you have found a good deal on the ink that your company uses most frequently from a supplier in Japan. Using the materials from...
-
Whether job/career changes occur because of automation, pandemic, political turmoil, global competition, or other technology innovations, what specific and/or general job skills do you think will be...
-
The chief administrator for a group of not-for profit early education centers and outreach facilities has hired you to conduct an audit. A mission of the organization is to provide child care and...
-
(a) Suppose that in Example 7-14 (Fig. 7-29), m11 = 3m1. Where then would m11 land? (b) What if m1 = 3m11?
-
A 0.145 kg baseball pitched horizontally at 35.0m/s strikes a bat and is popped straight up to a height of 55.6m. If the contact time is 1.4ms, calculate the average force on the ball during the...
-
During the Clinton Administration, the EITC or Earned Income Tax Credit, was expanded considerably. The program provides a wage subsidy to low income families through the tax code in a way similar to...
-
Compare and contrast the two conflicts in your own words. 1. My team was disrupted by a colleague's behavior at work recently, and I had to confront him about the issue. As a result of the conflict,...
-
Subtract. 17c-2 3c 4c 4c Simplify your answer as much as possible.
-
What is the time complexity of the following function named func? 1 int func(int n) { //n>0 if (n < 2) { return 1; } else if (n%2 == ) { AWNH 3 4 567 6 8 9} return func (n/3); } else { } return...
-
As you work to become an educator, it is important to think about and be able to explain how you will respect students with differing personal backgrounds and various skills, abilities, perspectives,...
-
Justin is 16. Justin went through puberty early and appears older than he really is. One day after school, Justin gets in a fight with another teenager. Justin is punched in the mouth and his teeth...
-
Critically evaluate the different approaches to sampling that the auditor would be prepared to adopt.
-
Prove the formula for (d/dx)(cos-1x) by the same method as for (d/dx)(sin-1x).
-
A developer wants to finance a project costing $1.5 million with a 70 percent, 20-year loan at an interest rate of 4.5 percent. The project's NOI is expected to be $100,000 during year 1 and the NOI,...
-
4 points Save Nwer Show what is produced by the following Java code. Assume the node's data fields are info and link, and the info is of type int. nodeA and nodeB are of reference variables of type...
-
Gyro Gear Company produces a single product, a special gear used in automatic transmissions. Each gear sells for $28, and the company sells 500,000 gears each year. Unit cost data are presented...
-
Cold water flows through a shower head steadily at a rate of 6 kg/min. The water is heated in an electric water heater from 25C to 45C. In an attempt to conserve energy,it is proposed to pass the...
Study smarter with the SolutionInn App