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 205 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?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

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?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Plants responded by non-uniform root growth. Plants responded by non-uniform root growth.
Gallium Metal Gallium Metal
Luna Park at Coney Island was a vast living theater in which strollers were both spectators and acto Luna Park at Coney Island was a vast living theater in which strollers were both spectators and acto
Optical microscopes are commonly configured for bright-field (transmitted), phas Optical microscopes are commonly configured for bright-field (transmitted), phas
Third-degree heart block. Third-degree heart block.
Inhibition of cyclooxygenase 1 and 2. Nonselective NSAIDs block the cytoprotective effects as well ... Inhibition of cyclooxygenase 1 and 2. Nonselective NSAIDs block the cytoprotective effects as well ...
Video: Lipid absorption - end products & transport mechanism

For a complete list of videos, visit our video library