« previous next »

Author Question: A mirror with a focal length -25 cm has a 4.0 cm tall object placed 100 cm in front of it. What is ... (Read 49 times)

nenivikky

  • Hero Member
  • *****
  • Posts: 516
on: Jul 27, 2018
A mirror with a focal length -25 cm has a 4.0 cm tall object placed 100 cm in front of it. What is the position of the image?
 
  A) 20 cm behind the mirror
  B) 25 cm behind the mirror
  C) 100 cm in front of the mirror
  D) 25 cm in front of the mirror
  E) 20 cm in front of the mirror

Question 2

The last ice age ended about
 
  A) 65 million years ago
  B) 35 million years ago
  C) 10,000 years ago
  D) 100,000 years ago


abctaiwan

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Gravitational Redshift The color of light from the same object located at diffe Gravitational Redshift The color of light from the same object located at diffe
Mirror Neurons in Broca’s Area Mirror Neurons in Broca’s Area
Prisoners from the front (1866) established Winslow Homer's reputation for spare truthfulness. Prisoners from the front (1866) established Winslow Homer's reputation for spare truthfulness.
The Upper Troposphere: The Polar Front and Jet Streams The Upper Troposphere: The Polar Front and Jet Streams
Object Perception and Boundaries Object Perception and Boundaries
Offset Method Plot of Land with Length Line Offset Method Plot of Land with Length Line
Video: Mitosis step-by-step

For a complete list of videos, visit our video library