This topic contains a solution. Click here to go to the answer

Author Question: One of the dangers of tornados and hurricanes is the rapid drop in air pressure that is associated ... (Read 42 times)

Destiiny22

  • Hero Member
  • *****
  • Posts: 557
One of the dangers of tornados and hurricanes is the rapid drop in air pressure that is associated with such storms. Assume that the air pressure inside of a sealed house is 1.02 atm when a hurricane hits.
 
  The hurricane rapidly decreases the external air pressure to 0.910 atm. A square window in an outside wall of the house measures 2.02 m on each side. What net force (directed outwards) is exerted on this window? (1 atm = 1.01  105 Pa.)
  A) 5.37  105 N B) 5.14  104 N C) 4.53  104 N D) 4.78  105 N

Question 2

What must be the diameter of a cylindrical 120-m long metal wire if its resistance is to be 6.0 ? The resistivity of this metal is 1.68  10-8   m.
 
  A) 0.65 cm B) 0.65 mm C) 0.0325 mm D) 0.065 mm E) 0.325 mm



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

whitcassie

  • Sr. Member
  • ****
  • Posts: 298
Answer to Question 1

C

Answer to Question 2

B




Destiiny22

  • Member
  • Posts: 557
Reply 2 on: Jul 29, 2018
:D TYSM


Dominic

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

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.

For a complete list of videos, visit our video library