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 106 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?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

The Sun in false-color ultraviolet image The Sun in false-color ultraviolet image
Technique of Light Palpation Technique of Light Palpation
Permafrost: High albedo, reflects as much as 90% of the Sun’s energy Permafrost: High albedo, reflects as much as 90% of the Sun’s energy
Light palpation Light palpation
Art image Art image
A very light ideal spring stretches by when it is used to hang a 135-N object. What is the ... A very light ideal spring stretches by when it is used to hang a 135-N object. What is the ...
Video: Energy inputs and release in glycolysis Animation

For a complete list of videos, visit our video library