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

Author Question: A convex mirror with focal length of -20 cm forms an image 15 cm behind the surface. Where is the ... (Read 69 times)

Jkov05

  • Hero Member
  • *****
  • Posts: 556
on: Jul 28, 2018
A convex mirror with focal length of -20 cm forms an image 15 cm behind the surface. Where is the object located as measured from the surface?
 a. 30 cm
  c. 15 cm
  b. 7.5 cm
  d. 60 cm

Question 2

Which type of heating causes sunburn?
 a. conduction
  c. radiation
  b. convection
  d. all of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Edwyer

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

D

Answer to Question 2

C


Jkov05

  • Member
  • Posts: 556
Reply 2 on: Jul 28, 2018
Wow, this really help

kalskdjl1212

  • Member
  • Posts: 353
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

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.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Andromeda as depicted in Urania's Mirror, set of constellation cards published in London c.1825 Andromeda as depicted in Urania's Mirror, set of constellation cards published in London c.1825
Juglans nigra (Black Walnut tree) lower leaf surface Juglans nigra (Black Walnut tree) lower leaf surface
(PDB ID 7GCH) (b) A depiction of the enzyme emphasizing its surface (PDB ID 7GCH) (b) A depiction of the enzyme emphasizing its surface
The various forms of spina bifida The various forms of spina bifida
Drug Forms and Routes of Administration Drug Forms and Routes of Administration
Imaging cell surface glycoproteins in living cells Imaging cell surface glycoproteins in living cells
Video: Flexor reflex & Crossed extensor reflex

For a complete list of videos, visit our video library