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

Author Question: A1-N electrostatic force is exerted on each of the two point charges when they are 2 cm apart. If ... (Read 23 times)

crobinson2013

  • Hero Member
  • *****
  • Posts: 535
on: Jul 29, 2018
A1-N electrostatic force is exerted on each of the two point charges when they are 2 cm apart. If they are moved to a new separation of 8 cm, what is the magnitude of the electric force exerted on each of them?
 
  A) 2 N
  B) 1/2 N
  C) 1/4 N
  D) 1/8 N
  E) 1/16 N

Question 2

The critical angle for an air-glass interface is 42.6. A light ray in air hits the interface, and the reflected ray is 100 polarized. What is the angle of refraction for that ray?
 
  A) 47.4
  B) 55.9
  C) 24.3
  D) 65.7
  E) 34.1


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

at

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

E


crobinson2013

  • Member
  • Posts: 535
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

lindahyatt42

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

A point-type ignition system showing the distributor cam which opens the points A point-type ignition system showing the distributor cam which opens the points
Hall-effect switches use metallic shutters to shunt magnetic lines of force away from a silicon ... Hall-effect switches use metallic shutters to shunt magnetic lines of force away from a silicon ...
A 4.0-kg block slides down a 35 incline at a constant speed when a 16-N force is applied acting ... A 4.0-kg block slides down a 35 incline at a constant speed when a 16-N force is applied acting ...
Migration as a force in evolution Migration as a force in evolution
Constructing a Three-Point Recombination Map Constructing a Three-Point Recombination Map
Constructing a Three-Point Recombination Map Constructing a Three-Point Recombination Map
Video: Oogenesis Animation

For a complete list of videos, visit our video library