Question

Two hail stones with radii in the ratio
of 1:4 fall from a great height through
the atmosphere. Then the ratio of their
terminal velocities is
(A) 1:2 (B) 1:12 (C) 1:16 (D) 1:8​

Answer 1

ANSWER

V

t

∝r

2

So.

V

2

V

1

=(

r

2

r

1

)

2

Now

V

2

V

1

=(

4

1

)

2

V

2

V

1

=

16

1

Answer 2

Step-by-step explanation:

C}. 1 : 16

1 :4 x 1: 4

= 1 : 16

I hope it may help to you