Assertion: spherical raindrop | /r/HasProperty | 1.2 kg/m3
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Source sentences:
text: A spherical raindrop 1.7 mm in diameter falls through a vertical distance of 3750 m. Take the cross-sectional area of a raindrop = πr2, drag coefficient = 0.45, density of water to be 1000 kg/m3, and density of air to be 1.2 kg/m3.