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

Author Question: When light reflects and produces a clear image, this reflection is referred to as: a. ... (Read 73 times)

burchfield96

  • Hero Member
  • *****
  • Posts: 610
on: Jul 28, 2018
When light reflects and produces a clear image, this reflection is referred to as:
 a. retroreflection.
  c. diffuse reflection.
  b. specular reflection.
  d. double reflection.

Question 2

A swimming pool heater has to be able to raise the temperature of the 30,000 gallons of water in the pool by 10.0C. How many kilowatt-hours of energy are required? (One gallon of water has a mass of approximately 3.79 kg and the specific heat of water is 4186 J/kg  C.)
 a. 1960 kWh
  c. 1130 kWh
  b. 1320 kWh
  d. 216 kWh


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

asware1

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

B


burchfield96

  • Hero Member
  • *****
  • Posts: 610
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


asware1

  • Sr. Member
  • ****
  • Posts: 318
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

A plaque is a clear area in which all bacteria have been lysed by phages A plaque is a clear area in which all bacteria have been lysed by phages
Image of phacopidan trilobite Calymene tristani in nodule. Image of phacopidan trilobite Calymene tristani in nodule.
Apply light stroking with the palms from hip to ankles as a connecting and finishing technique. ... Apply light stroking with the palms from hip to ankles as a connecting and finishing technique. ...
Both men and women can experience issues with body image Both men and women can experience issues with body image
Reflection of light rays Reflection of light rays
Assembly of a к light-chain gene in a B cell Assembly of a к light-chain gene in a B cell
Video: Role of ATP in muscle movement

For a complete list of videos, visit our video library