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 398 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
Thanks for the timely response, appreciate it


diana chang

  • Member
  • Posts: 288
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

For a complete list of videos, visit our video library