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

Author Question: How large a force is necessary to stretch a 2.0-mm diameter copper wire (Y = 11 1010 N/m2) by 1.0? ... (Read 105 times)

savannahhooper

  • Hero Member
  • *****
  • Posts: 576
on: Jul 28, 2018
How large a force is necessary to stretch a 2.0-mm diameter copper wire (Y = 11  1010 N/m2) by 1.0?
 a. 2.1 kN
  b. 3.5 kN
  c. 6.9 kN
  d. 11 kN
  e. 5.4 kN

Question 2

A 20-m long steel wire (cross-section 1.0 cm2, Young's modulus 2.0  1011 N/m2), is subjected to a load of 25 000 N. How much will the wire stretch under the load?
 a. 0.25 cm
  b. 2.5 cm
  c. 12.5 cm
  d. 25 cm
  e. 1.25 cm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cici

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

b


savannahhooper

  • Member
  • Posts: 576
Reply 2 on: Jul 28, 2018
Wow, this really help

Viet Thy

  • Member
  • Posts: 329
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

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.

Polyps and polyposis. A polyp is a protruding growth from a mucous membrane lining a hollow organ. I Polyps and polyposis. A polyp is a protruding growth from a mucous membrane lining a hollow organ. I
Stretch arm overhead. Stand to the side facing the same direction as the recipient. Hold onto the ... Stretch arm overhead. Stand to the side facing the same direction as the recipient. Hold onto the ...
Apply L strokes, using flat fingers, from temples to edge of mandible. Stretch is forward toward the ... Apply L strokes, using flat fingers, from temples to edge of mandible. Stretch is forward toward the ...
finding the resultant force finding the resultant force
Two metal rods, one silver and the other copper, are both attached to a steam chamber, with a ... Two metal rods, one silver and the other copper, are both attached to a steam chamber, with a ...
A taproot system consists of a large main root together with its lateral branchings A taproot system consists of a large main root together with its lateral branchings
Video: Introduction to Pre-eclampsia

For a complete list of videos, visit our video library