Problem: An object located 125 cm from a concave mirror forms a real image 80 cm from the mirror. The mirror is then turned around so that its convex side faces the object, and is moved so that the image is now 40 cm behind the mirror. How far was the mirror moved? 1. 90.9091 2. 13.6957 3. 134.146 4. 97.2222 5. 70.0 6. 107.66 7. 164.434 8. 10.5263 9. 8.28829 10. 86.0377

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An object located 125 cm from a concave mirror forms a real image 80 cm from the mirror. The mirror is then turned around so that its convex side faces the object, and is moved so that the image is now 40 cm behind the mirror. How far was the mirror moved?

1. 90.9091

2. 13.6957

3. 134.146

4. 97.2222

5. 70.0

6. 107.66

7. 164.434

8. 10.5263

9. 8.28829

10. 86.0377