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A cat stands before a concave mirror of focal length 20 cm.  The distance between the cat’s...

A cat stands before a concave mirror of focal length 20 cm.  The distance between the cat’s nose and the mirror is 10 cm and the nose is 10 cm above the floor. The distance between the tip of the cat’s tail and the mirror is 60 cm and the tip of the tail is 20 cm above the floor.

a)What do we know about the images?

b)Starting from symbolic equations, calculate the distances and heights for the images of the cat’s nose and tip of the tail.

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