The cross-section of twisted pairthe cross-section of each, Ask an Expert

Programming

The cross-section of twisted pair

The cross-section of each and every strand of the twisted pair is π/4 square mm. A 10-km length of this type of material, with two strands per pair will have a volume of 2π/4 × 10-2 m3. This volume is around 15,708 cm3. With specific gravity of 9.0, each local loop has mass of 141 kg. The phone company therefore owns1.4 × 109 kg of copper. At 3 dollars each, copper is worth about 4.2 billion dollars.

View complete question

DBMS, Programming

Category:- DBMS
Reference No.:- M9580679

Have any Question?Write your Review or question?

Related Questions in DBMS

Question as explained throughout this course entity

Question: As explained throughout this course, entity relationship modeling is a critical element of database design. If the database is not properly modeled, it is unlikely that the database will be properly developed. ...

Sql query assignment -for this assignment you are to write

SQL Query Assignment - For this assignment you are to write your answers in a word document. This assignment is in three parts: Part A (reporting queries), Part B (query performance), Part C (query design). For this assi ...

Real time analytics - data analytics assignment -this is a

Real Time Analytics - Data Analytics Assignment - This is a business analytics project aimed at generating innovative analytics solutions for a Global Food Consulting firm working in the area of Animal agriculture and fa ...

You are in a real estate business renting apartments to

You are in a real estate business renting apartments to customers. Your job is to define an appropriate schema using SQL DDL in MySQL. The relations are Property(Id, Address, NumberOfUnits), Unit(ApartmentNumber, Propert ...

A schools office of the registrar maintains data about the

A School's office of the registrar maintains data about the following entities: a) courses (including course number, title, credits, syllabus and prerequisites), b) course offerings (including course number, year, semest ...

Backgrounda new training organization called abc

Background A new training organization called ABC TechTraining is opening soon and they have approached you to help design their new database. They have just completed the refurbishment of the premises and are now lookin ...

Relational database exerciseyou have been assigned to a new

Relational Database Exercise: You have been assigned to a new development team. A client is requesting a relational database system to manage their present store with the anticipation of adding more stores in the future. ...

Question sql injection is in the top 10 owasp and common

Question : SQL Injection is in the top 10 OWASP and Common Weakness Enumeration. Using MySQL and PHP, show your own very short and simple application that is vulnerable to this attack. Provide another version that mitiga ...

Databases assignment - monash library services monlib case

Databases Assignment - Monash Library Services (MonLib) Case Study TASK 1: Data Definition For this task you are required to complete the following: 1.1 - Add to your solutions script, the CREATE TABLE and CONSTRAINT def ...

Question 1 describe 1nf 2nf 3nf2 explain why 4nf is a

Question: 1: Describe 1NF, 2NF, 3NF. 2: Explain why 4NF is a normal form more desirable than BCNF. The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask DBMS Expert