Problem: An erect object is 50 cm from a concave mirror of radius 60 cm. If the object is moved to a new position, such that the new lateral magnification is +2.5. The new object distance, in cm, is closest to:  A) 18 B) 24 C) 30 D) 36 E) 42

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Problem Details

An erect object is 50 cm from a concave mirror of radius 60 cm. If the object is moved to a new position, such that the new lateral magnification is +2.5. The new object distance, in cm, is closest to: 

A) 18

B) 24

C) 30

D) 36

E) 42

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Based on our data, we think this problem is relevant for Professor Li's class at FIU.