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

Author Question: A convex mirror with a focal length of -20 cm forms an image 12 cm behind the surface. If the object ... (Read 75 times)

storky111

  • Hero Member
  • *****
  • Posts: 561
on: Jul 28, 2018
A convex mirror with a focal length of -20 cm forms an image 12 cm behind the surface. If the object height is 1.2 cm what is the image height?
 a. 0.30 cm
  c. 0.94 cm
  b. 0.48 cm
  d. 3.0 cm

Question 2

In winter, light-colored clothes will keep you warmer than dark-colored clothes if:
 a. you are warmer than your surroundings.
  b. you are at the same temperature as your surroundings.
  c. you are cooler than your surroundings.
  d. you are standing in sunlight.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

JaynaD87

  • Sr. Member
  • ****
  • Posts: 368
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

A


storky111

  • Member
  • Posts: 561
Reply 2 on: Jul 28, 2018
Excellent

kthug

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

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?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Intussusception. A short length of small intestine has telescoped into itself. Intussusception. A short length of small intestine has telescoped into itself.
Alternative forms of surgeries involving the uterus, ovaries, and fallopian tubes. The solid lines i Alternative forms of surgeries involving the uterus, ovaries, and fallopian tubes. The solid lines i
The surface of the human brain The surface of the human brain
First-pass effect: (a) drugs are absorbed; (b) drugs enter hepatic portal circulation and go directl First-pass effect: (a) drugs are absorbed; (b) drugs enter hepatic portal circulation and go directl
Forms of spina bifida. Forms of spina bifida.
A sphere, 0.30 m in radius, has a surface emissivity of 0.48 and is at a temp A sphere, 0.30 m in radius, has a surface emissivity of 0.48 and is at a temp
Video: Neural regulation of blood pressure - baroreceptor and chemoreceptor reflexes

For a complete list of videos, visit our video library