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

Author Question: An object is placed at F in front of a concave mirror with a focal length of 10 cm. What is the ... (Read 32 times)

ts19998

  • Hero Member
  • *****
  • Posts: 531
on: Jul 29, 2018
An object is placed at F in front of a concave mirror with a focal length of 10 cm. What is the position of its image in relation to the mirror and what are its characteristics?
 
  A) = 10 cm, real, smaller than object
  B) = 10 cm, virtual, smaller than object
  C) = 20 cm, real, bigger than object
  D) = 20 cm, virtual, bigger than object
  E) = , real, much bigger than the object

Question 2

Consider a 1.40 kW hair dryer operated on 120. V. What is (a) the current? (b) its resistance?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sammyo

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

(a) 11.7 A
(b) 0.3


ts19998

  • Member
  • Posts: 531
Reply 2 on: Jul 29, 2018
Wow, this really help

alvinum

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Measuring Limb Length Measuring Limb Length
Small nuclear RNAs (snRNA), 100-200 bp in length, form part of the splicing mechanisms to process mR Small nuclear RNAs (snRNA), 100-200 bp in length, form part of the splicing mechanisms to process mR
This 19-year-old in Wisconsin was given a reduced jail sentence for holding this sign in front of ... This 19-year-old in Wisconsin was given a reduced jail sentence for holding this sign in front of ...
Responses of a mirror neuron of a monkey. Responses of a mirror neuron of a monkey.
Ayurvedic massage. Pressing the ansa marma on the front and back of the shoulders with recipient ... Ayurvedic massage. Pressing the ansa marma on the front and back of the shoulders with recipient ...
Measuring leg length Measuring leg length
Video: Mycobacterium tuberculosis: Drug Resistance and Natural Selection

For a complete list of videos, visit our video library