Author Question: We are warmed on a hot moist day because water molecules in the air striking our bodies A) ... (Read 51 times)

jasdeep_brar

  • Hero Member
  • *****
  • Posts: 569
We are warmed on a hot moist day because water molecules in the air striking our bodies
 
  A) transfer some of their kinetic energies to us.
  B) gain kinetic energy as they change state.
  C) form an insulating layer on our bodies.

Question 2

A level pipe contains a nonviscous, incompressible fluid with a density 1200 kg/m3 that is flowing steadily. At one position within the pipe, the pressure is 300 kPa and the speed of the flow is 20.0 m/s.
 
  At another position, the pressure is 200 kPa. What is the speed of the flow at this second position? A) 567 m/s
  B) 16.2 m/s
  C) 32.9 m/s
  D) 23.8 m/s
  E) 186 m/s



matt

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

Answer: A

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

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?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

For a complete list of videos, visit our video library