How many mirror images of a red ball at point A are seen from point O?

Join the discussion
Registration is free. Start your own thread to ask a follow-up.
Sign up Log in
1 reply · 11K views
rayhan619
Messages
75
Reaction score
0

Homework Statement


A red ball is placed at point A in the figure. (Intro 1 figure) : figure attached

How many images are seen by an observer at point O?

Where is each image seen by an observer located?
Enter your answers as an ordered pairs (x, y) separated with comma(s), where x and y are in meters. Assume the origin is at the corner of the mirror, +x axis is directed to the right, and +y axis is directed upward.

Homework Equations





The Attempt at a Solution



i guess the answer of first question is 3
but i donno how to do 2nd part
 
Attachments
  • jfk.Figure.18.P11.jpg
    jfk.Figure.18.P11.jpg
    4.2 KB · Views: 765
Physics news on Phys.org

Discussion

rayhan619 said:
Enter your answers as an ordered pairs (x, y) separated with comma(s), where x and y are in meters. Assume the origin is at the corner of the mirror, +x axis is directed to the right, and +y axis is directed upward.
…
i guess the answer of first question is 3
but i donno how to do 2nd part

Hi rayhan619! :wink:

Well, the object is at (-1,-2), so the three images are at … ? :smile: