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

Author Question: On a cold day, a piece of metal feels much colder to the touch than a piece of wood. This is due to ... (Read 188 times)

cmoore54

  • Hero Member
  • *****
  • Posts: 568
on: Jul 29, 2018
On a cold day, a piece of metal feels much colder to the touch than a piece of wood. This is due to the difference in which one of the following physical properties of these materials?
 
  A) density
  B) specific heat
  C) emissivity
  D) thermal conductivity
  E) mass

Question 2

A point on the string of a violin moves up and down in simple harmonic motion with an amplitude of 1.24 mm and a frequency of 875 Hz.
 
  (a) What is the maximum speed of that point in SI units? (b) What is the maximum acceleration of the point in SI units?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

chinwesucks

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

(a) 6.82 m/s (b) 3.75  104 m/s2


cmoore54

  • Hero Member
  • *****
  • Posts: 568
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


chinwesucks

  • Sr. Member
  • ****
  • Posts: 341
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Mixting Hot Cold water Mixting Hot Cold water
The Gun Foundry in Cold Spring, New York, by John Ferguson Weir conveys how much The Gun Foundry in Cold Spring, New York, by John Ferguson Weir conveys how much
Apply passive touch over the eyes and cheeks to finish. Place the hands, using very light pressure, ... Apply passive touch over the eyes and cheeks to finish. Place the hands, using very light pressure, ...
Try an afternoon glass of cold grape juice for a refreshing break Try an afternoon glass of cold grape juice for a refreshing break
Evaluation of light touch Evaluation of light touch
A piece of glass has a thin film of gasoline floating on it. A beam of light is shining ... A piece of glass has a thin film of gasoline floating on it. A beam of light is shining ...
Video: Atrophy

For a complete list of videos, visit our video library