Evaluate what is the focal length of the contacts

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Reference no: EM13560691

A nearsighted person cannot read a sign that is more than 5.2 mfrom his eyes. To deal with this problem, he wears contact lensesthat do not correct his vision completely, but do allow him to readsigns located up to distances of 12.0 m from his eyes. What is the focal length of the contacts?

Reference no: EM13560691

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