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

Author Question: How much work is required to stretch a spring 25.2 cm if its force constant is 12.3 N/m? A) 0.391 ... (Read 76 times)

yoooooman

  • Hero Member
  • *****
  • Posts: 557
How much work is required to stretch a spring 25.2 cm if its force constant is 12.3 N/m?
 
  A) 0.391 J
  B) 0.488 J
  C) 3.10 J
  D) 1.05 J
  E) 0.381 J

Question 2

A 120-V rms signal at 60 Hz is applied across a 30-mH inductor and a 100- resistor. What is the rms value of the current in this circuit?
 
  A) 0.80 A
  B) 1.2 A
  C) 1.4 A
  D) 1.6 A
  E) 1.8 A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sassygurl126

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

A

Answer to Question 2

B





 

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

For a complete list of videos, visit our video library