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 68 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
Excellent

aliotak

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

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

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T
Electric Flux Electric Flux
The left-hand rule states that if a coil is grasped with the left hand, the fingers will point in ... The left-hand rule states that if a coil is grasped with the left hand, the fingers will point in ...
The piston creates a tumbling force as it moves upward. The piston creates a tumbling force as it moves upward.
Chloroform has a boiling point of 61.1 degrees C and dichloromethane has a boiling point of 40 ... Chloroform has a boiling point of 61.1 degrees C and dichloromethane has a boiling point of 40 ...
Question about Resultant of gravitational force? Question about Resultant of gravitational force?
Video: DNA close up Animation

For a complete list of videos, visit our video library