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

Author Question: A line representing a wave front for a wave should be drawn: a. from the source to the receiver. ... (Read 198 times)

storky111

  • Hero Member
  • *****
  • Posts: 561
on: Jul 28, 2018
A line representing a wave front for a wave should be drawn:
 a. from the source to the receiver.
  b. from one crest to the preceding crest.
  c. in the direction the wave is moving.
  d. along one of the crests of the wave.

Question 2

A 20-kg piece of aluminum (which has a specific heat of 900 J/kg  C) is warmed so that its temperature increases by 5.0C. How much heat was transferred into it?
 a. 4.5  104 J
  c. 1.4  105 J
  b. 9.0  104 J
  d. 2.0  105 J


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

elyse44

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

B


storky111

  • Hero Member
  • *****
  • Posts: 561
Reply #2 on: Jul 28, 2018
Thanks


elyse44

  • Sr. Member
  • ****
  • Posts: 319
Reply #3 on: Jul 28, 2018
Welcome :)


« previous next »
 

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Species richness decreases with distance from the source pool. Species richness decreases with distance from the source pool.
Hydrogen sulfide as an energy source for chemoautotrophic bacteria in the deep sea. Hydrogen sulfide as an energy source for chemoautotrophic bacteria in the deep sea.
Tai chi stance with front foot pointing straight ahead and back foot at 45° angle, heels in line, ... Tai chi stance with front foot pointing straight ahead and back foot at 45° angle, heels in line, ...
Tai chi walk along straight line. From tai chi stance, shift weight to the back leg and turn the ... Tai chi walk along straight line. From tai chi stance, shift weight to the back leg and turn the ...
Cover heat source to slow cooling by placing a towel over it. Cover heat source to slow cooling by placing a towel over it.
Mixed dishes such as hamburgers and pizza are a major source of solid fats in the diets of Americans Mixed dishes such as hamburgers and pizza are a major source of solid fats in the diets of Americans
Video: Multiple Sclerosis Animation

For a complete list of videos, visit our video library