A spherical porcelain ball, with radius r, is dropped without initial velocity in a test tube containing glycerin. During fall, the ball is subject to the following forces: P its weight; A the thrust of Archimedes; fluid friction force f= k v with k = 6 πrn; n: viscosity (Pa s) of Glycerin, V, velocity Density of Glycerin pg=1.3 g/mL; density of porcelain pp = 2.3 g/mL; r ball radius = 1.0 cm; n=1.0 s.Pa; g = 10 N/kg; volume of a sphere V = 4/3 r³. The speed limit (in m/s) is: 0.11 0.22 0.44 0.33 0.55

A spherical porcelain ball, with radius r, is dropped without initial velocity in a test tube containing glycerin. During fall, the ball is subject to the following forces: P its weight; A the thrust of Archimedes; fluid friction force f= k v with k = 6 πrn; n: viscosity (Pa s) of Glycerin, V, velocity Density of Glycerin pg=1.3 g/mL; density of porcelain pp = 2.3 g/mL; r ball radius = 1.0 cm; n=1.0 s.Pa; g = 10 N/kg; volume of a sphere V = 4/3 r³. The speed limit (in m/s) is: 0.11 0.22 0.44 0.33 0.55

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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Question

1 A SPHERICAL PORCELAIN BALL, WITH RADIUS R, IS DROPPED WITHOUT INITIAL VELOCITY IN A TEST TUBE CONTAINING GLYCERIN. DURING FALL, THE BALL IS SUBJECT TO THE FOLLO...
A spherical porcelain ball, with radius r, is dropped without initial velocity in a test tube containing glycerin. During fall, the ball is subject to the following forces:
P its weight; A the thrust of Archimedes; fluid friction force f = k v with k = 6 πrn; n: viscosity (Pa s) of Glycerin, V, velocity
Density of Glycerin pg= 1.3 g/mL; density of porcelain pp = 2.3 g/mL; r ball radius= 1.0 cm;
n = 1.0 s.Pa; g = 10 N/kg; volume of a sphere V = 4/3 πr³.
The speed limit (in m/s) is:
0.11
0.22
0.44
0.33
0.55

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