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

Author Question: A 2.0 mm diameter wire of length 20 m has a resistance of 0.25 . What is the resistivity of the ... (Read 380 times)

swpotter12

  • Hero Member
  • *****
  • Posts: 527
on: Jul 29, 2018
A 2.0 mm diameter wire of length 20 m has a resistance of 0.25 . What is the resistivity of the wire?
 
  A) 0.25   m
  B) 5.0  10-7   m
  C) 3.9  10-8   m
  D) 4.0  10-7   m
  E) 16  10-8   m

Question 2

In Figure 7.7, a 5.00-kg block is moving at 5.00 m/s along a horizontal frictionless surface toward an ideal spring that is attached to a wall. After the block collides with the spring, the spring is compressed a maximum distance of 0.68 m.
 
  What is the speed of the block when the spring is compressed to only one-half of the maximum distance?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

randomguy133

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

4.3 m/s


swpotter12

  • Hero Member
  • *****
  • Posts: 527
Reply #2 on: Jul 29, 2018
TY


randomguy133

  • Sr. Member
  • ****
  • Posts: 310
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

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?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Measuring Limb Length Measuring Limb Length
Drug Resistance Drug Resistance
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 ...
A typical pedestal grinder with a wire wheel on the left side and a stone wheel on the right side. ... A typical pedestal grinder with a wire wheel on the left side and a stone wheel on the right side. ...
Introduction to Disease Resistance Introduction to Disease Resistance
What is the length of the staircase? What is the length of the staircase?
Video: Mechanism of enzyme action

For a complete list of videos, visit our video library