Construct a Lagrange interpolating polynomial to approximate u at the temperature of 38°C. Use your approximate in part (a) to estimate the shear stress T.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter9: Surfaces And Solids
Section9.3: Cylinders And Cones
Problem 6E: Suppose that r=12 cm and h=15 cm in the right circular cylinder. Find the exact and approximate a...
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In the development of a new piece of equipment, it is necessary to measure
the shear stress (7) between two parallel plates where the lower plate is
stationary and the upper plate moves at a velocity (V) of 2m/sec. The
plates are 0.025m apart (h). The shear stress 7 is estimated by
2m/sec
=
0.025m
V
80μ.
The viscosity (4) in N – sec/m² is a function of temperature. Laboratory
measurements have determined µ at the temperatures shown in the table
below:
T(°C) | (µ)(N – sec/m²
5
0.08
20
0.015
30
0.009
50
0.006
55
0.0055
Transcribed Image Text:In the development of a new piece of equipment, it is necessary to measure the shear stress (7) between two parallel plates where the lower plate is stationary and the upper plate moves at a velocity (V) of 2m/sec. The plates are 0.025m apart (h). The shear stress 7 is estimated by 2m/sec = 0.025m V 80μ. The viscosity (4) in N – sec/m² is a function of temperature. Laboratory measurements have determined µ at the temperatures shown in the table below: T(°C) | (µ)(N – sec/m² 5 0.08 20 0.015 30 0.009 50 0.006 55 0.0055
(a) Construct a Lagrange interpolating polynomial to approximate u at
the temperature of 38°C.
(b) Use your approximate in part (a) to estimate the shear stress T.
Transcribed Image Text:(a) Construct a Lagrange interpolating polynomial to approximate u at the temperature of 38°C. (b) Use your approximate in part (a) to estimate the shear stress T.
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