Question

17. A raindrop with radius 1.5 mm falls from
a cloud that is at height 1200 m above
the ground. The drag coefficient (C) for
the drop is 0.60. Assume that the drop is
spherical throughout its fall. The density of
water is 1000 kgm-3 and the density of air is
1.2 kgm. Then the terminal speed of the
drop is (g = 9.8 ms-2)
(A) 5 ms-1 (B) 25 ms-1
(C) 54.76 ms-1 (D) 7.4 ms-1​

Answer 1

Answer:

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