Eight equal drops of water are falling through air with a steady speed of 10 cm/s. If the drops coalesce, the new velocity is:- (a) 40 cm/s (b) 16 cm/s (c) 10 cm/s (d) 5 cm/s

Answer: (a). v ∝ r² and R = 81/3r = 2r. v' = 2² × 10 = 40 cm/s So the answer is (a) 40 cm/s.

Eight equal drops of water are falling through air with a steady… | JEE Main 2023 (11 Apr, Shift 2)

Q33JEE Main 2023 · 11 APR · SHIFT 2Easy

Terminal Velocity

Eight equal drops of water are falling through air with a steady speed of $10\text{ cm/s}$ . If the drops coalesce, the new velocity is:-

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Answer: (a)

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