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

Author Question: A solid block of metal is placed in a uniform electric field. Which statement is correct concerning ... (Read 208 times)

kellyjaisingh

  • Hero Member
  • *****
  • Posts: 540
on: Jul 27, 2018
A solid block of metal is placed in a uniform electric field. Which statement is correct concerning the electric field in the block's interior?
 
  A) The interior field points in a direction opposite to the exterior field.
  B) There is no electric field in the block's interior.
  C) The interior field points in a direction that is parallel to the exterior field.
  D) The interior field points in a direction that is at right angles to the exterior field.

Question 2

Fred swings around a 0.40 kg ball attached to a string at constant speed in an almost horizontal circle of radius 1.3 meters. If one revolution takes 1.4 s:
 
  (a) What is the angular speed of the ball?
  (b) What centripetal force is exerted on the ball?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

eliasc0401

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

(a) 4.5 rad/s
(b) 10. Newtons


kellyjaisingh

  • Hero Member
  • *****
  • Posts: 540
Reply #2 on: Jul 27, 2018
Thank you!


eliasc0401

  • Sr. Member
  • ****
  • Posts: 338
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

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?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Plants responded by non-uniform root growth. Plants responded by non-uniform root growth.
Field Thistle Field Thistle
Wheat field versus lavender field Wheat field versus lavender field
An electric sphygmomanometer. An electric sphygmomanometer.
To check to see if the electric fuel pump can be operated from the relay contacts, use a fused ... To check to see if the electric fuel pump can be operated from the relay contacts, use a fused ...
Heart block Heart block
Video: Role of transport in a cell

For a complete list of videos, visit our video library