Question:
Water is dropped at the rate of 2cm³/sec into a cone of
Last updated: 7/19/2022
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Water is dropped at the rate of 2cm³/sec into a cone of semivertical angle 45°. The rate at which periphery of water surface changes when height of the water in the cone is 2 cm, is :- 1 cm/sec 2 cm/sec 3 cm/sec 4 cm/sec