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

Author Question: A person who weighs 550 N empties her lungs as much as possible and is then completely immersed in ... (Read 97 times)

notis

  • Hero Member
  • *****
  • Posts: 596
on: Jul 29, 2018
A person who weighs 550 N empties her lungs as much as possible and is then completely immersed in water (of density 1000 kg/m3 ) while suspended from a harness. Her apparent weight is now 21.2 N. What is her density?
 
  A) 1040 kg/m3
  B) 1030 kg/m3
  C) 1050 kg/m3
  D) 56.1 kg/m3
  E) 960 kg/m3

Question 2

During World War I, Germany used a Big Bertha cannon to hurl shells into Paris 30 miles away. This gun also had a long barrel. What is the reason for using a long barrel in these guns?
 
  A) To provide a larger ratio of kinetic energy to potential energy.
  B) To reduce frictional losses.
  C) To allow the force of the expanding gases from the gunpowder to act for a longer time.
  D) To increase the force exerted on the bullet due to the expanding gases from the gunpowder.
  E) To reduce the force exerted on the bullet due to the expanding gases from the gunpowder.
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

Natalie4ever

  • Sr. Member
  • ****
  • Posts: 335
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


notis

  • Member
  • Posts: 596
Reply 2 on: Jul 29, 2018
Wow, this really help

Sarahjh

  • Member
  • Posts: 370
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Assessing a person's spiritual and religious beliefs is an imiportant aspect of nursing care Assessing a person's spiritual and religious beliefs is an imiportant aspect of nursing care
Illustration showing how the primary breast tumor metastasized through the lymphatic and blood vesse Illustration showing how the primary breast tumor metastasized through the lymphatic and blood vesse
Lungs Lungs
A person with a defective "P" gene might only have it effect the EYES A person with a defective "P" gene might only have it effect the EYES
How the Wernicke-Geschwind model works in a person who is responding to a heard question and reading ... How the Wernicke-Geschwind model works in a person who is responding to a heard question and reading ...
Brushing off to finish-front. Move to the front and place the person’s hands on his or her knees. ... Brushing off to finish-front. Move to the front and place the person’s hands on his or her knees. ...
Video: Medullary osmotic gradient - influencing factors

For a complete list of videos, visit our video library