Author Question: A nearsighted person has a far point of 50. cm for one eye and 150. cm for the other. What power ... (Read 37 times)

Sportsfan2111

  • Hero Member
  • *****
  • Posts: 585
A nearsighted person has a far point of 50. cm for one eye and 150. cm for the other. What power contact lenses allow the person to see distant objects?
 
  What will be an ideal response?

Question 2

A 50.  resistor is placed in series with a 40. mH inductor. At what frequency will the current in such a circuit lag the applied voltage by exactly 45?
 
  What will be an ideal response?



cpetit11

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

-2.0 D and -0.667 D respectively

Answer to Question 2

0.20 kHz



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

For a complete list of videos, visit our video library