Eight drops of a liquid of density ρ and each of radius a are falling through air

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Eight drops of a liquid of density ρ and each of radius a are falling through air with a constant velocity 3.75 cms⁻¹. When the eight drops coalesce to from a single drop the terminal velocity of the new drop will be

Options

(a) 1.5×10⁻² ms⁻¹
(b) 0.75×10⁻² ms⁻¹
(c) 25×10⁻² ms⁻¹
(d) 15×10⁻² ms⁻¹

Correct Answer:

15×10⁻² ms⁻¹

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Properties of Bulk Matter (130)
Subject: Physics (2479)

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