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

Author Question: A 550- N person empties her lungs as much as possible and is then completely immersed in water of ... (Read 25 times)

FButt

  • Hero Member
  • *****
  • Posts: 519
on: Jul 29, 2018
A 550- N person empties her lungs as much as possible and is then completely immersed in water of density 1000 kg/m3 while suspended from a harness connected to a spring scale. The spring scale reads now 21.2 N. What is her density?
 
  A) 1050 kg/m3
  B) 1040 kg/m3
  C) 1030 kg/m3
  D) 960 kg/m3
  E) 56.1 kg/m3

Question 2

A barge is 10 m wide and 60 m long and has vertical sides. The bottom of the boat is 1.2 m below the water surface.
 
  What is the weight of the barge and its cargo (force exerted on them by Earth), if it is floating in fresh water of density 1000 kg/m3? A) 3.5 MN
  B) 6.4 MN
  C) 6.8 MN
  D) 7.1 MN
  E) 9.5 MN


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

verrinzo

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

D


FButt

  • Member
  • Posts: 519
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

FergA

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Terrestrial plants and animals can be characterized by analogous pathways for water gain and loss. Terrestrial plants and animals can be characterized by analogous pathways for water gain and loss.
Walruses leaving the water Walruses leaving the water
Ripples in Water Ripples in Water
Venous return to the heart and blood flow to the lungs. Venous return to the heart and blood flow to the lungs.
Water Solubility of Selected Chemicals Water Solubility of Selected Chemicals
Video: Supine Position

For a complete list of videos, visit our video library