« 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 118 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?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

The FDA recognizes 118 routes of administration.

Relationship between fruit radius and beak length in populations of native and introduced species of Relationship between fruit radius and beak length in populations of native and introduced species of
Pupil Assessment, Move Penlight directly in Front of Pupil Pupil Assessment, Move Penlight directly in Front of Pupil
Spot the hidden object Spot the hidden object
A basic principle of symbolic interactionism is that meaning is not inherent in an object or event, ... A basic principle of symbolic interactionism is that meaning is not inherent in an object or event, ...
Responses of a mirror neuron of a monkey. Responses of a mirror neuron of a monkey.
Occluded front Occluded front
Video: Chloroplast Structure & Light Dependent Reactions (Photosystem 1 and 2 Cyclic Electron Flow)

For a complete list of videos, visit our video library