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

Author Question: Light travels fastest A) in a vacuum. B) through water. C) through glass. D) through plastic. ... (Read 73 times)

stock

  • Hero Member
  • *****
  • Posts: 573
Light travels fastest
 
  A) in a vacuum.
  B) through water.
  C) through glass.
  D) through plastic.
  E) through diamond.

Question 2

Two point charges of + 30.0 C and - 9.00 C are separated by a distance of 20.0 cm. A +7.00 C charge is placed midway between these two charges. What is the electric force acting on this charge because of the other two charges?
 
  A) 0.453 N directed towards the negative charge
  B) 2.45 N directed towards the negative charge
  C) 2.45 N directed towards the positive charge
  D) 245 N directed towards the positive charge
  E) 245 N directed towards the negative charge



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ladyjames123

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

A

Answer to Question 2

E




stock

  • Member
  • Posts: 573
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


ASDFGJLO

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Excellent

 

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

For a complete list of videos, visit our video library