This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A pair of parallel plates, forming a capacitor, are connected to a battery. While the capacitor is ... (Read 86 times)

mspears3

  • Hero Member
  • *****
  • Posts: 586
on: Jul 28, 2018
A pair of parallel plates, forming a capacitor, are connected to a battery. While the capacitor is still connected to the battery maintaining a constant voltage, the plates are pulled apart to triple their original distance. What is the ratio of the final energy stored to the original energy stored?
 a. 1/9
  c. 3
  b. 1/3
  d. 1

Question 2

A majorette takes two batons and fastens them together in the middle at right angles to make an x shape. Each baton was 0.90 m long and each ball on the end is 0.20 kg. (Ignore the mass of the rods.) What is the moment of inertia if the arrangement is spun around an axis formed by one of the batons?
 a. 0.081 kgm2
  c. 0.19 kgm2
  b. 0.064 kgm2
  d. 0.32 kgm2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Dominic

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

A


mspears3

  • Member
  • Posts: 586
Reply 2 on: Jul 28, 2018
Wow, this really help

at

  • Member
  • Posts: 359
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

This jumping spider's main ocelli (center pair) are very acute. This jumping spider's main ocelli (center pair) are very acute.
A star-forming region in the Large Magellanic Cloud. A star-forming region in the Large Magellanic Cloud.
The acetic acid–acetate pair as a buffer system The acetic acid–acetate pair as a buffer system
Pair Production and Annihilation Pair Production and Annihilation
A digital storage oscilloscope can be easily connected to an injector by carefully back-probing ... A digital storage oscilloscope can be easily connected to an injector by carefully back-probing ...
Applications and Processing of Ceramics - Glass Forming Applications and Processing of Ceramics - Glass Forming
Video: Primate Evolutionary Tree Animation

For a complete list of videos, visit our video library