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

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.

admin:

Related Questions

  1. If c is the velocity of light in free space, the time taken by light to travel
  2. The earth is assumed to be a sphere of radius R. A platform is arranged at a height R
  3. A concave mirror ia placed over a beaker containing water of
  4. An electric current passes through a long straight wire
  5. An electron is