### How far away is corresponding image

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Q1. An object is 29 cm away from a concave mirror's surface along the principal axis. If the mirror's focal length is 9.5cm, how far away is corresponding image?

Q2. A rectangular block of ice 9.00 m on each side and 0.7 m thick floats in sea water. The density of the sea water is 1025kg/m3. The density of ice is 919kg/m3. How high does the top of the ice block float above the water level?

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