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

Author Question: A 6.0-mF capacitor is attached to a 20-V power supply. How much energy is stored in the capacitor? ... (Read 379 times)

Mr.Thesaxman

  • Hero Member
  • *****
  • Posts: 514
A 6.0-mF capacitor is attached to a 20-V power supply. How much energy is stored in the capacitor?
 a. 2.0  10-3 J
  c. 2.0  10-4 J
  b. 5.2  10-4 J
  d. 1.2  10-3 J

Question 2

A 4.0-kg mass is placed at (3.0, 4.0) m, and a 7.0 kg-mass is placed at (3.0, -4.0) m. What is the moment of inertia of this system of masses about the z axis?
 a. 275 kgm2
  c. 250 kgm2
  b. 90 kgm2
  d. 180 kgm2



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tofugiraffe

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

D

Answer to Question 2

A




Mr.Thesaxman

  • Member
  • Posts: 514
Reply 2 on: Jul 28, 2018
Excellent


emsimon14

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

For a complete list of videos, visit our video library