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 159 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?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Internal structures at the front of the eye. Internal structures at the front of the eye.
This modified model of Easton’s systems theory puts government decision makers as the source of pol This modified model of Easton’s systems theory puts government decision makers as the source of pol
Cultural Variations in the Strange Situation Across cultures, most toddlers exhibit secure attachme Cultural Variations in the Strange Situation Across cultures, most toddlers exhibit secure attachme
Shortly after his death, George Washington had already become myth—part Moses, part angel—in this wo Shortly after his death, George Washington had already become myth—part Moses, part angel—in this wo
Graphical representation of a sinusoidal longitudinal wave Graphical representation of a sinusoidal longitudinal wave
Occluded front Occluded front
Video: Red alga life cycle Animation

For a complete list of videos, visit our video library