The place you get your hair cut has two nearly parallel mirrors 7.00 apart. As y

Question

The place you get your hair cut has two nearly parallel mirrors 7.00 apart. As you sit between these mirrors in the chair, your head is 2.50 from the mirror in front of you. Looking toward this mirror, you first see your face and then, farther away, the back of your head. Side note: The mirrors need to be slightly nonparallel for you to be able to see the back of your head, but you can treat them as parallel in this problem. Neglect the thickness of your head. 1.How far away does the back of your head appear to be? (from you)

Explanation / Answer

image of back head acts as object for front mirror for front mirror

distance from back head image=7+4.5=11.25 m

now to see my own back , distance of image = 11.25 + 2.5 =14 m away

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