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A 30 cm diameter cork ball (S=0.21) is tied to the bottom of a river as shown. (a) Draw the free body diagram of the ball. (b) Calculate the tension in the string and the drag force on the ball. (c) Estimate the speed,  Uo  of the river current Hint: Volume of a sphere = (1/6)πD³.

A 30 cm diameter cork ball (S=0.21) is tied to the bottom of a river as shown. (a) Draw the free body diagram of the ball. (b) Calculate the tension in the string and the drag force on the ball. (c) Estimate the speed,  Uo  of the river current Hint: Volume of a sphere = (1/6)πD³.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A 30 cm diameter cork ball (S=0.21) is tied to the bottom of a river as shown. (a) Draw the free body diagram of the ball. (b) Calculate the tension in the string and the drag force on the ball. (c) Estimate the speed,  Uo  of the river current

Hint: Volume of a sphere = (1/6)πD³.

100 60 40 20 10 4 Co 1.0 0.8 0.6 Sphere 329 OF 0.4 0.2 30 0.1 0.08 0.06 Seeamlined body - 0.04 0.02 0.01 10 1. 10 10 10 10 10 10 Fod Reynelds number, Re-
Transcribed Image Text:100 60 40 20 10 4 Co 1.0 0.8 0.6 Sphere 329 OF 0.4 0.2 30 0.1 0.08 0.06 Seeamlined body - 0.04 0.02 0.01 10 1. 10 10 10 10 10 10 Fod Reynelds number, Re-
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