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 50 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
Great answer, keep it coming :)

mohan

  • Member
  • Posts: 362
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Surface of the heart. Surface of the heart.
Micro RNAs (miRNA), 20-25 bp in length, can inactivate mRNAs. Micro RNAs (miRNA), 20-25 bp in length, can inactivate mRNAs.
The various forms of spina bifida The various forms of spina bifida
The lectin pathway of recognition and activation. Either MBL or serum ficolin bind to surface ... The lectin pathway of recognition and activation. Either MBL or serum ficolin bind to surface ...
Sliding effleurage with a thumb between metatarsals on the dorsal foot surface. Slide from web to ... Sliding effleurage with a thumb between metatarsals on the dorsal foot surface. Slide from web to ...
Effleurage to the foot bottom using the fist. Hold the dorsal surface of the foot with one hand ... Effleurage to the foot bottom using the fist. Hold the dorsal surface of the foot with one hand ...
Video: Factors that affect conduction rates (myelination, axon diameter & temperature)

For a complete list of videos, visit our video library