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 142 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
YES! Correct, THANKS for helping me on my review


EAN94

  • Member
  • Posts: 307
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

For a complete list of videos, visit our video library