5. A drop of ink is gently deposited in a large volume of motionless water and initially has a radius of 1 mm. After 2 s the ink drop has diffused into a spherical ball with radius 3 mm. How long will it take the ball to diffuse from a radius of 1 mm to a radius of 11 mm (in s)? [All distances are root-mean-square averages.] (A) 8 (B) 15 (C) 20 (D) 35 (E) 50
5. A drop of ink is gently deposited in a large volume of motionless water and initially has a radius of 1 mm. After 2 s the ink drop has diffused into a spherical ball with radius 3 mm. How long will it take the ball to diffuse from a radius of 1 mm to a radius of 11 mm (in s)? [All distances are root-mean-square averages.] (A) 8 (B) 15 (C) 20 (D) 35 (E) 50
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![5. A drop of ink is gently deposited in a large volume of motionless water and initially has a radius of 1 mm. After 2 s the ink
drop has diffused into a spherical ball with radius 3 mm. How long will it take the ball to diffuse from a radius of 1 mm to
a radius of 11 mm (in s)? [All distances are root-mean-square averages.]
(A) 8
(B) 15
(C) 20
(D) 35
(E) 50](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6c149617-c695-43d3-a103-041c415f7f52%2F9393ddc1-c5a6-4f78-b936-3d2f498aa183%2Fo7cy37_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5. A drop of ink is gently deposited in a large volume of motionless water and initially has a radius of 1 mm. After 2 s the ink
drop has diffused into a spherical ball with radius 3 mm. How long will it take the ball to diffuse from a radius of 1 mm to
a radius of 11 mm (in s)? [All distances are root-mean-square averages.]
(A) 8
(B) 15
(C) 20
(D) 35
(E) 50
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