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Author Question: When light reflects and produces a clear image, this reflection is referred to as: a. ... (Read 109 times)

burchfield96

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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


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asware1

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

B


burchfield96

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


asware1

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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