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 100 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?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Amphibian development in the wood frog (Rana sylvatica) Amphibian development in the wood frog (Rana sylvatica)
White-winged Duck or White-winged Wood Duck (Asarcornis scutulata) White-winged Duck or White-winged Wood Duck (Asarcornis scutulata)
Gallium Metal Gallium Metal
Degree Ranges for Hydrotherapy and Temperature Therapy Methods from Cold to Hot Applications Degree Ranges for Hydrotherapy and Temperature Therapy Methods from Cold to Hot Applications
A concrete wall of a cold storage room measures 3.0 m high, 5.0 m wide, and 20 cm thick. The ... A concrete wall of a cold storage room measures 3.0 m high, 5.0 m wide, and 20 cm thick. The ...
Video: Electrical Conduction System of the Heart

For a complete list of videos, visit our video library