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

Author Question: For safety in climbing, a mountaineer uses a 50-m long nylon rope that is 1.0 cm in diameter. When ... (Read 60 times)

HCHenry

  • Hero Member
  • *****
  • Posts: 591
on: Jul 28, 2018
For safety in climbing, a mountaineer uses a 50-m long nylon rope that is 1.0 cm in diameter. When supporting a 90-kg climber, the rope elongates 1.6 m. Find the Young's modulus for the rope material.

Question 2

Aluminum Rod1 has a length L and a diameter d. Aluminum Rod2 has a length 2L and a diameter 2d. If Rod1 is under tension T and Rod2 is under tension 2T, how do the changes in length of the two rods compare?
 a. They are the same.
  b. Rod1 has double the change in length that Rod2 has.
  c. Rod2 has double the change in length that Rod1 has.
  d. Rod1 has quadruple the change in length that Rod2 has.
  e. Rod2 has quadruple the change in length that Rod1 has.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

raili21

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 28, 2018
Answer to Question 1

3.51  108 N/m2

Answer to Question 2

a


HCHenry

  • Member
  • Posts: 591
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

Liamb2179

  • Member
  • Posts: 365
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai
It is important that parents repeat safety rules to preschoolers and monitor compliance with rules. It is important that parents repeat safety rules to preschoolers and monitor compliance with rules.
Tall safety stands can be used to provide additional support for the vehicle while on the hoist. Tall safety stands can be used to provide additional support for the vehicle while on the hoist.
Long-Range Forecasts Long-Range Forecasts
Use palms and fingers to brush off along the back of the body from shoulders to feet with long ... Use palms and fingers to brush off along the back of the body from shoulders to feet with long ...
Types of Long-Term Memories Types of Long-Term Memories
Video: Transcription - Introns and exons

For a complete list of videos, visit our video library