The third (current-carrying) rail of a subway track is made of steel and has a cross-sectional area

Question:

The third (current-carrying) rail of a subway track is made of steel and has a cross-sectional area of about 55 cm2. What is the resistance of 10 km of this track?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Fundamentals of Ethics for Scientists and Engineers

ISBN: 978-0195134889

1st Edition

Authors: Edmund G. Seebauer, Robert L. Barry

See More Books

Question Posted: Jul 23, 2011 05:13 AM

See More Questions

A valve in a cylinder has a cross sectional area of 2 in2 with a pressure of 100 psia inside the cylinder and 14.7 psia outside. How large a force is needed to open the valve?
A valve in a cylinder has a cross sectional area of 11 cm2 with a pressure of 735 kPa inside the cylinder and 99 kPa outside. How large a force is needed to open the valve?
A valve in a cylinder has a cross sectional area of 11 cm2 with a pressure of 735 kPa inside the cylinder and 99 kPa outside. How large a force is needed to open the valve?
Use the trapezium rule, with interval-halving and extrapolation, to evaluate 0 log(cosh x) dx to 4dp
The following selected information (in millions, except for per share information) is available for The Bank of Nova Scotia for the year ended October 31: Instructions (a) Calculate the following...
Youre a safety engineer reviewing plans for a universitys new high-rise dorm. The elevator motors draw 20 A and behave electrically like 2.5-H inductors. Youre concerned about dangerous voltages...
(b) Consider whether the weight of each pig at Time 1 should be used as a baseline value in the analysis of these data. Give reasons for your judgement. For the rest of this exercise, do not use a...
Macs Warehouse is a large discount store that operates 7 days per week. The store needs the following number of full-time employees working each day of the week: Each employee must work 5 consecutive...
The ABC Company bought a new machine on October 1, 2014 for $110,000. It planned to keep the truck for four years at which time it expected to sell the truck for $30,000. The company elected to...
A catalog of stock bevel gears lists a power rating of 5.2 hp at 1200 rev/min pinion speed for a straight-bevel gearset consisting of a 20-tooth pinion driving a 40-tooth gear. This gear pair has a...
A carbon rod with a radius of 0.1 mm is used to make a resistor. The resistivity of this material is 3.5 105 m. What length of the carbon rod will make a 10- resistor?
What is the potential difference across one wire of a 30-m extension cord made of 16-gauge copper wire carrying a current of 5.0 A?
Graph each inequality. x + 4y = -3
The financial statements for the Columbia Sportswear Company can be found in Appendix A, and Under Armour, Inc.'s financial statements can be found in Appendix B at the end of this book. Required a....
Use the data from SE3-8 to prepare the closing entries for The Decade Company. Close the temporary accounts to income summary. The balance of $\$ 8,500$ in the retained earnings account is from the...
Adjusting Entries The following selected accounts appear in the Birch Company's unadjusted trial balance as of December 31, the end of the fiscal year (all accounts have normal balances): Required...
Closing Entries Use the information provided in E3-5A to prepare journal entries to close the accounts using the Income Summary account. After these entries are posted, what is the balance in the...
Ceva, Inc. manufactures and services jet engines for air carriers. The engines cost $$10$ to $$40$ million each, depending on the specifications and plane. A 10-year service contract for a single...
Help new employees recognize that rewards and group acceptance wont come easily, but only through the process of dues-paying. op4
The following cost information was provided to you for analysis: September 12,000 Units Produced Costs: TIC TAC TOE TING August 10,000 P80,000 70.000 60.000 50,000 How much is the fixed cost per...
Observations y; for i = -m, -m + 1, ... , m are available which satisfy the regression model yi~ N(a + Bu; + yvi, d), where u = i and v = i m(m + 1). Adopting the reference prior p(a, b, y, 0) x...
A body of mass m is hauled from the Earth's surface by applying a force F varying with the height of ascent y as F = 2 (ay = 1) mg, where a is a positive constant. Find the work performed by this...
The potential energy of a particle in a certain field has the form U = a/r2 - b/r, where a and b are positive constants, r is the distance from the centre of the field. Find: (a) The value of ro...
In a certain two-dimensional field of force the potential energy of a particle has the form U = ax2 + y2, where a and are positive constants whose magnitudes are different. Find out: (a) Whether this...
Eye Deal Optometry leased vision - testing equipment from Insight Machines on January 1 , 2 0 2 4 . Insight Machines manufactured the equipment at a cost of $ 2 0 0 , 0 0 0 and lists a cash selling...
help! ee all photos + Add to o e D C N X Edit & Create Share Table of Contents No sales to an individual customer accounted for more than 10% of revenue during any of the last three fiscal years. Net...
Business law A person may have the liability of a partner even though no partnership exists True False

The third (current-carrying) rail of a subway track is made of steel and has a cross-sectional area

Question:

Step by Step Answer:

Distance 10 ...View the full answer

Fundamentals of Ethics for Scientists and Engineers

Students also viewed these Electricity and Magnetism questions