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Physics

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The image of a crayon appears to be 20.6 cm
behind the surface of a convex mirror and is 1.64 cm tall. The mirror’s focal length is 54.3
cm.
a) How far in front of the mirror is the
crayon positioned?
Answer in units of cm
I keep on getting it wrong so the answer & explanation would be much appreciated.

  • Physics -

    disregard

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