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

Author Question: When two point charges are 2.0 cm apart, each one experiences a 1.0-N electric force due to the ... (Read 50 times)

jeatrice

  • Hero Member
  • *****
  • Posts: 543
on: Jul 29, 2018
When two point charges are 2.0 cm apart, each one experiences a 1.0-N electric force due to the other charge. If they are moved to a new separation of 8.0 cm, the electric force on each of them is closest to
 
  A) 16 N. B) 0.063 N. C) 1.0 N. D) 4.0 N. E) 0.25 N.

Question 2

A person is nearsighted with a far point of 75.0 cm. (a) What focal length contact lens is needed to give him normal vision? (b) What is the power of the corrective lens?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yotaSR5

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

(a) -75.0 cm (b) -1.33 diopters


jeatrice

  • Member
  • Posts: 543
Reply 2 on: Jul 29, 2018
:D TYSM

AmberC1996

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

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 Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Effect of changing a set point for hypothalamic values Effect of changing a set point for hypothalamic values
Surgical needle shapes: (A) taper point; (B) cutting point. Surgical needle shapes: (A) taper point; (B) cutting point.
Common trigger point locations, anterior and posterior. Common trigger point locations, anterior and posterior.
Finding the length given total distance and distance longer than other point Finding the length given total distance and distance longer than other point
Physics homework related to electric fields Physics homework related to electric fields
Relationship Between the Atlas and the Axis. The Dens of the Axis Provides a Pivotal Point Around Wh Relationship Between the Atlas and the Axis. The Dens of the Axis Provides a Pivotal Point Around Wh
Video: Frequency of stimulation and force (Recruitment of motor units and force)

For a complete list of videos, visit our video library