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Author Question: Which of the following is not true about potential energy? a. Potential energy is stored energy. ... (Read 115 times)

acc299

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  • Posts: 569
on: Jul 28, 2018
Which of the following is not true about potential energy?
 a. Potential energy is stored energy.
  c. Potential energy is a scalar quantity.
  b. Potential energy is related to position.
  d. Potential energy has direction.

Question 2

During each cycle of operation a refrigerator absorbs 45 cal from the freezer compartment and expels 85 cal to the room. If one cycle occurs every 8.0 s, how many minutes will it take to freeze 500 g of water, initially at 0C? (Lv = 80 cal/g)
 a. 800 min
  c. 120 min
  b. 4400 min
  d. 150 min


meganmoser117

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  • Posts: 303
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

C


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