Reference no: EM13985989
Hot air balloons float in the air because of the difference in density between cold and hot air. In this problem, you will estimate the minimum temperature the gas inside the balloon needs to be, for it to take off. To do this, use the following variables and make these assumptions:
The combined weight of the pilot basket together with that of the balloon fabric and other equipment is W.
The volume of the hot air inside the balloon when it is inflated is V.
The absolute temperature of the hot air at the bottom of the balloon is Th (where Th>Tc).
The absolute temperature of the cold air outside the balloon is Tc and its density is ρc.
The balloon is open at the bottom, so that the pressure inside and outside the balloon is the same.
As always, treat air as an ideal gas.
Use g for the magnitude of the acceleration due to gravity.
What is the density ρh of hot air inside the balloon? Assume that this density is uniform throughout the balloon.
|
Equilibrium discrimination and crowding
: Draw hypothetical supply and demand graphs for men and women to both occupations assuming that some of each gender prefers each job. Now, assume that discriminatory actions take place in the restaurant business preventing men from becoming chefs.
|
|
How would you address the issue of eating disorders
: How would you address the issue of eating disorders from a systems perspective, if you were the therapist working with this woman and her husband as a couple, or seeing the whole family in therapy
|
|
Find force per unit length exerted on one of wires by other
: What current is required in the windings of a long solenoid that has 1150 turns uniformly distributed over a length of 0.380 m in order to produce a magnetic field of magnitude 1.00 AcA??c 10-4 T at the center of the solenoid?
|
|
Problem regarding the selection of housing
: How does a person's employment and household situation influence the selection of housing?
|
|
What is the density of hot air inside the balloon
: Hot air balloons float in the air because of the difference in density between cold and hot air. What is the density ρh of hot air inside the balloon? Assume that this density is uniform throughout the balloon.
|
|
Determine a successful investment plan
: You are hired fairly recently and assigned to help the traders determine a successful investment plan for the coming week. Report how you solve this problem by formulating a Linear Programming (LP) model. Besides following the "report to managemen..
|
|
Confidence interval estimate of the population mean
: The manager of a branch of a lical bank wanted to estimate the averageamount held in savings account by depositors at the bank. A random sample of 25 selected and the sample mean was$4,750 and a standard deviation of $1,200. Construct and explain a 9..
|
|
How the companycan go online
: How the company(luton) can go online, steps in which they should take before going online, security threat and have a disaster recovery plan.
|
|
Find the equilibrium quantities-price and profits
: Consider an industry with two firms each selling a homogeneous good and producing at MC1 = 10 and MC2 = 40. Industry demand is given by P = 100 – Q. Competition in the market place is in quantities (Cournot competition). Find the equilibrium quantiti..
|