This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A hot air balloon along with its cargo has a mass of 4.0 105 kg, and it holds 7.0 105 m3 of hot ... (Read 54 times)

Starlight

  • Hero Member
  • *****
  • Posts: 567
on: Jul 29, 2018
A hot air balloon along with its cargo has a mass of 4.0  105 kg, and it holds 7.0  105 m3 of hot air. It is floating at a constant height in air with a density of 1.29 kg/m3. What is the density of the hot air in the balloon?
 
  A) 1.4 kg/m3
  B) 0.72 kg/m3
  C) 0.57 kg/m3
  D) 0.86 kg/m3
  E) 0.43 kg/m3

Question 2

At what rate are photons emitted by a 50.0-W sodium vapor lamp if it is producing monochromatic light of wavelength 589 nm?
 
  (c = 3.00  108 m/s, h = 6.626  10-34 J  s)
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Kdiggy

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


Starlight

  • Hero Member
  • *****
  • Posts: 567
Reply #2 on: Jul 29, 2018
Thank you!


Kdiggy

  • Sr. Member
  • ****
  • Posts: 340
Reply #3 on: Jul 29, 2018
Always glad to help...


« previous next »
 

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Polar ice caps lose mass as surface ice melts Polar ice caps lose mass as surface ice melts
Air-Mass Source Regions for North America Air-Mass Source Regions for North America
You heat 3.952 g of a mixture of Fe3O4 and FeO to form 4.162 g Fe2O3. The mass of oxygen ... You heat 3.952 g of a mixture of Fe3O4 and FeO to form 4.162 g Fe2O3. The mass of oxygen ...
Mass spectrometry of a synthetic version of collagen peptide Mass spectrometry of a synthetic version of collagen peptide
Determine the mass of a nonvolatile, nonionizing compound that must be added to 4.76 kg of ... Determine the mass of a nonvolatile, nonionizing compound that must be added to 4.76 kg of ...
Mass Extinctions Mass Extinctions
Video: Asthma Treatment

For a complete list of videos, visit our video library