Copper Wire The resistance y in ohms of 1000 feet of solid copper wire at 77°F can be approximated by the model y = 10 , 770 x 2 − 0.37 , 5 ≤ x ≤ 100 where x is the diameter of the wire in mils (0.001 in.). Use a graphing utility to graph the model. By about what factor is the resistance changed when the diameter of the wire is doubled?
Copper Wire The resistance y in ohms of 1000 feet of solid copper wire at 77°F can be approximated by the model y = 10 , 770 x 2 − 0.37 , 5 ≤ x ≤ 100 where x is the diameter of the wire in mils (0.001 in.). Use a graphing utility to graph the model. By about what factor is the resistance changed when the diameter of the wire is doubled?
Solution Summary: The author explains how the model y=10770x2-0.37 by graphing utility and determine factor by which the resistance changed when the diameter of the wire is doubled.
Copper Wire The resistance y in ohms of 1000 feet of solid copper wire at 77°F can be approximated by the model
y
=
10
,
770
x
2
−
0.37
,
5
≤
x
≤
100
where x is the diameter of the wire in mils (0.001 in.). Use a graphing utility to graph the model. By about what factor is the resistance changed when the diameter of the wire is doubled?
A 20 foot ladder rests on level ground; its head (top) is against a vertical wall. The bottom of the ladder begins by being 12 feet from the wall but begins moving away at the rate of 0.1 feet per second. At what rate is the top of the ladder slipping down the wall? You may use a calculator.
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Area Between The Curve Problem No 1 - Applications Of Definite Integration - Diploma Maths II; Author: Ekeeda;https://www.youtube.com/watch?v=q3ZU0GnGaxA;License: Standard YouTube License, CC-BY