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 77 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?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

A mast cell, which produces the symptoms of a hypersensitivity reaction. A mast cell, which produces the symptoms of a hypersensitivity reaction.
The digital image of a fetus shows a well-developed head and a comparatively smaller body. At 7 ... The digital image of a fetus shows a well-developed head and a comparatively smaller body. At 7 ...
Chrysler also recommends that a clear plastic hose (1/4" ID) be attached to the bleeder valve ... Chrysler also recommends that a clear plastic hose (1/4" ID) be attached to the bleeder valve ...
The basic structure of an antibody molecule. Two heavy chains are joined by two light chains. The ... The basic structure of an antibody molecule. Two heavy chains are joined by two light chains. The ...
Press up under the cheekbones. Use light to moderate pressure to press into the soft tissues up ... Press up under the cheekbones. Use light to moderate pressure to press into the soft tissues up ...
Major bone (tan) and cartilage (light blue) elements of the human skeleton. Inset shows regions of v Major bone (tan) and cartilage (light blue) elements of the human skeleton. Inset shows regions of v
Video: Bone cells and tissues - tissue composition and cells

For a complete list of videos, visit our video library