This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A steel cable spanning a river is 200.000 m long when the temperature is 20.C. What will be its ... (Read 54 times)

leo leo

  • Hero Member
  • *****
  • Posts: 566
on: Jul 27, 2018
A steel cable spanning a river is 200.000 m long when the temperature is 20.C. What will be its length when the temperature drops to 0C? (The coefficient of thermal expansion of steel is 12.  10-6K-1.)
 
  What will be an ideal response?

Question 2

How far apart should two protons be if the electrical force of repulsion is equal to the weight (attraction to the Earth) of one of the protons?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

momtoalll

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 27, 2018
Answer to Question 1

199.952 m

Answer to Question 2

12. cm


leo leo

  • Member
  • Posts: 566
Reply 2 on: Jul 27, 2018
Excellent

apple

  • Member
  • Posts: 352
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Long-Term Potentiation Long-Term Potentiation
Measuring Oral Temperature Using an Electronic Thermometer Measuring Oral Temperature Using an Electronic Thermometer
The Greenhouse Effect: Influences on Temperature The Greenhouse Effect: Influences on Temperature
Adjust the water coming from the faucet so that the temperature is comfortable. Water too hot can ... Adjust the water coming from the faucet so that the temperature is comfortable. Water too hot can ...
Epiphyseal Plate in Long Bone Adolescent bone growth takes place along the epiphyseal plate Epiphyseal Plate in Long Bone Adolescent bone growth takes place along the epiphyseal plate
V-shaped Valley of the Yellowstone River V-shaped Valley of the Yellowstone River
Video: Kinetic parameters & Kinetic experiment

For a complete list of videos, visit our video library