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

Author Question: What is the period of a signal that has a frequency of 60 Hz? a. 60 s c. 1/60 s b. 60 s-1 d. not ... (Read 15 times)

Caiter2013

  • Hero Member
  • *****
  • Posts: 607
on: Jul 28, 2018
What is the period of a signal that has a frequency of 60 Hz?
 a. 60 s c. 1/60 s
  b. 60 s-1 d. not determinable

Question 2

Which expression gives the speed of light v in a substance in terms of the index of refraction n of a substance and the speed of light c in a vacuum?
 a. v = c/n
  b. v = c n
  c. v = c + n
  d. v = n/c
  e. v = c/n2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

joewallace

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

a


Caiter2013

  • Member
  • Posts: 607
Reply 2 on: Jul 28, 2018
Wow, this really help

nguyenhoanhat

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Great answer, keep it coming :)

« 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?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

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.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

The frequency of competition according to the number of species involved. The frequency of competition according to the number of species involved.
Firing Rate of Individual SCN Neurons in a Tissue Culture Color bars have been added to emphasize th Firing Rate of Individual SCN Neurons in a Tissue Culture Color bars have been added to emphasize th
Anthroposphere Quarterly Period Anthroposphere Quarterly Period
Embryonic Period Embryonic Period
Embryonic Period Embryonic Period
The ras proto-oncogene encodes a signal-transduction protein that processes signals for cell divisio The ras proto-oncogene encodes a signal-transduction protein that processes signals for cell divisio
Video: Alternative Energy Sources

For a complete list of videos, visit our video library