A rectangular tank with internal dimensions 40 cm by 25 cm by 30 cm is filled with water to a depth of 24 cm. A solid metal sphere is dropped into the tank and is FULLY submerged. The water level rises by 4.8 cm. Find the volume of the metal sphere, in cm³.
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Worked Solution
Step 1: A fully submerged solid displaces water equal to its OWN volume.
Step 2: Volume displaced = (base area of tank) × (rise in water level).
Step 3: Volume = 40 × 25 × 4.8 = 1 000 × 4.8 = 4 800 cm³.
Answer: 4 800
Correct answer: 4 800
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