« previous next »

Author Question: We are warmed on a hot moist day because water molecules in the air striking our bodies A) ... (Read 92 times)

jasdeep_brar

  • Hero Member
  • *****
  • Posts: 569
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
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

jasdeep_brar

  • Hero Member
  • *****
  • Posts: 569
Reply #2 on: Jul 29, 2018
TY


matt

  • Sr. Member
  • ****
  • Posts: 344
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

2-1b Structure of the water molecule 2-1b Structure of the water molecule
Water Properties Water Properties
Surface Water Resources Surface Water Resources
In countries where water can be contaminated, breastfeeding is an important option for the health of ... In countries where water can be contaminated, breastfeeding is an important option for the health of ...
What mass, in grams, of a 5.00% by mass sugar water solution is needed to supply What mass, in grams, of a 5.00% by mass sugar water solution is needed to supply
What volume is occupied by 6.21 x 1024 molecules of CO at STP? What volume is occupied by 6.21 x 1024 molecules of CO at STP?
Video: Electrical changes in the heart

For a complete list of videos, visit our video library