O-LevelPhysicsMeasurement5054/12 · May/June 2025 · Q71 Mark
A student determines the density of a small rock. The weight of the small rock is 1.2 N. She pours 100 cm³ of water into a measuring cylinder. She carefully submerges the rock in the 100 cm³ of water. The new reading on the measuring cylinder is 147 cm³. What is the density of the rock?
A0.026 N/cm³
B0.83 g/cm³
C1.8 N/cm³
D2.6 g/cm³
✓ Correct answer
D: 2.6 g/cm³
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