Posted by Anonymous on Friday, August 22, 2008 at 7:01pm.
To find the image length, of a 4foottall object in a spherical mirror with a focal length of 2 feet, L=4(2/o2)^2 can be used, where 2 is the distance, in feet, of the object from the mirror. What is the image length of the object when it is 1.5 feet away from the mirror?

8th Grade Algebra  Anonymous, Friday, August 22, 2008 at 7:21pm
Repeated question with correct information in the question:
To find the image length, of a 4foottall object in a spherical mirror with a focal length of 2 feet, L=4(2/o2)^2 can be used, where o is the distance, in feet, of the object from the mirror. What is the image length of the object when it is 1.5 feet away from the mirror?

8th Grade Algebra  Damon, Friday, August 22, 2008 at 8:05pm
L = 4 (2/1.5 2)^2
=4 (2/3 2)^2
= 4 (2/3)^2 = 4* 4/9 = 16/9
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