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

Author Question: An aluminum wire 2.0 m long and 2.0 mm in diameter supports a 10.0-kg fixture. What is the stress in ... (Read 124 times)

cool

  • Hero Member
  • *****
  • Posts: 570
on: Jul 29, 2018
An aluminum wire 2.0 m long and 2.0 mm in diameter supports a 10.0-kg fixture. What is the stress in the wire? Young's modulus for aluminum is 7.0  1010 N/m2.
 
  A) 9.3  107 N/m2 B) 3.1  107 N/m2 C) 6.2  107 N/m2 D) 1.2  108 N/m2

Question 2

According to the theory of cosmic inflation, the universe
 
  A) began as the result of the big crunch collapse of some pre-existing universe.
  B) began from a powerful electromagnetic effect in vacuum.
  C) had no beginning but instead has always existed.
  D) began as a tiny fragment of space and time.
  E) began when two very massive pre-existing particles collided and annihilated with each other.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

katkat_flores

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

D


cool

  • Hero Member
  • *****
  • Posts: 570
Reply #2 on: Jul 29, 2018
Thanks


katkat_flores

  • Sr. Member
  • ****
  • Posts: 328
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The average adult has about 21 square feet of skin.

A wire wound electrical heater is used to warm the intake air on some diesel engines A wire wound electrical heater is used to warm the intake air on some diesel engines
Needle-nose pliers are used where there is limited access to a wire or pin that needs to be ... Needle-nose pliers are used where there is limited access to a wire or pin that needs to be ...
Stress and the Common Cold Stress and the Common Cold
A reciprocal translocation involving the long arms of chromosomes A reciprocal translocation involving the long arms of chromosomes
A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west di A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west di
Experiments showing that long- or short-day plants flower in response to night length. Each horizont Experiments showing that long- or short-day plants flower in response to night length. Each horizont
Video: Body plan of euglena Animation

For a complete list of videos, visit our video library