« previous next »

Author Question: The air resistance of falling is greatly affected by an object's frontal area and A) mass. B) ... (Read 50 times)

viki

  • Hero Member
  • *****
  • Posts: 525
on: Jul 29, 2018
The air resistance of falling is greatly affected by an object's frontal area and
 
  A) mass.
  B) weight.
  C) speed.

Question 2

When a 500-N parachutist opens his chute and experiences 800 N of air resistance, the net force on him is
 
  A) 300 N downward.
  B) 500 N downward.
  C) 800 N downward.
  D) 300 N upward.
  E) 500 N upward.


okolip

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

viki

  • Hero Member
  • *****
  • Posts: 525
Reply #2 on: Jul 29, 2018
Thanks


okolip

  • Sr. Member
  • ****
  • Posts: 362
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Striking examples where high surface area releases heat. Striking examples where high surface area releases heat.
Air-Mass Source Regions for North America Air-Mass Source Regions for North America
What is the mass of air in a room that measures 5.0 m 8.0 m 3.0 m? (The density of air is ... What is the mass of air in a room that measures 5.0 m 8.0 m 3.0 m? (The density of air is ...
The lifetime risk for schizophrenia varies with the degree of relationship to an affected individual The lifetime risk for schizophrenia varies with the degree of relationship to an affected individual
Tragic events of mass shootings. Tragic events of mass shootings.
An empty spice bottle has an inner volume of 1.31 10-4 m3 . It has a mass of 112 g when filled ... An empty spice bottle has an inner volume of 1.31 10-4 m3 . It has a mass of 112 g when filled ...
Video: How to make cDNA Animation

For a complete list of videos, visit our video library