1. Calculate the velocity a spherical rain drop would achieve falling from 5.00 km: (a) in the absence of air drag: Express to 3 significant figures. velocity of rain drop in the absence of air drag = (b) with air drag. Assume that the drop has reached terminal velocity. Express to 3 significant figures. terminal velocity of rain drop: = m/s m/s Take the size across of the drop to be 4.00 mm, the density of water to be 1.00×10³ kg/m³, the cross- sectional area of the drop to be r² where r is the radius of the drop, and the drag coefficient C to be 0.45. Take the density of air to be 1.21 kg/m³. Express to 3 significant figures. (c) Compare the answer in (b) to the terminal velocity for a typical droplet in a cloud. Take the size of the droplet to be 20.0 μm. Terminal speed of a droplet in a cloud = m/s.
1. Calculate the velocity a spherical rain drop would achieve falling from 5.00 km: (a) in the absence of air drag: Express to 3 significant figures. velocity of rain drop in the absence of air drag = (b) with air drag. Assume that the drop has reached terminal velocity. Express to 3 significant figures. terminal velocity of rain drop: = m/s m/s Take the size across of the drop to be 4.00 mm, the density of water to be 1.00×10³ kg/m³, the cross- sectional area of the drop to be r² where r is the radius of the drop, and the drag coefficient C to be 0.45. Take the density of air to be 1.21 kg/m³. Express to 3 significant figures. (c) Compare the answer in (b) to the terminal velocity for a typical droplet in a cloud. Take the size of the droplet to be 20.0 μm. Terminal speed of a droplet in a cloud = m/s.
Physics for Scientists and Engineers: Foundations and Connections
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Chapter6: Applications Of Newton’s Laws Of Motion
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Problem 41PQ: An inflated spherical beach ball with a radius of 0.3573 m and average density of 10.65 kg/m3 is...
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![1. Calculate the velocity a spherical rain drop would achieve falling from 5.00 km:
(a) in the absence of air drag:
Express to 3 significant figures.
velocity of rain drop in the absence of air drag =
(b) with air drag. Assume that the drop has reached terminal velocity.
Express to 3 significant figures.
terminal velocity of rain drop =
m/s
m/s
Take the size across of the drop to be 4.00 mm, the density of water to be 1.00×10³ kg/m³, the cross-
sectional area of the drop to be tr² where r is the radius of the drop, and the drag coefficient C to be
0.45. Take the density of air to be 1.21 kg/m³.
Express to 3 significant figures.
(c) Compare the answer in (b) to the terminal velocity for a typical droplet in a cloud . Take the size of
the droplet to be 20.0 μm.
Terminal speed of a droplet in a cloud
✔m/s.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc0633024-a4bc-4f66-b9e9-fd2e8bdcc354%2F1ce02596-78b0-4fdf-a5d2-f82fff5c29a4%2Fm549pl_processed.png&w=3840&q=75)
Transcribed Image Text:1. Calculate the velocity a spherical rain drop would achieve falling from 5.00 km:
(a) in the absence of air drag:
Express to 3 significant figures.
velocity of rain drop in the absence of air drag =
(b) with air drag. Assume that the drop has reached terminal velocity.
Express to 3 significant figures.
terminal velocity of rain drop =
m/s
m/s
Take the size across of the drop to be 4.00 mm, the density of water to be 1.00×10³ kg/m³, the cross-
sectional area of the drop to be tr² where r is the radius of the drop, and the drag coefficient C to be
0.45. Take the density of air to be 1.21 kg/m³.
Express to 3 significant figures.
(c) Compare the answer in (b) to the terminal velocity for a typical droplet in a cloud . Take the size of
the droplet to be 20.0 μm.
Terminal speed of a droplet in a cloud
✔m/s.
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