This topic contains a solution. Click here to go to the answer

Author Question: One kilowatt-hour represents A) 1 N. B) 60 N/s. C) 60,000 W. D) 3.6 million joules. E) none ... (Read 83 times)

londonang

  • Hero Member
  • *****
  • Posts: 540
One kilowatt-hour represents
 
  A) 1 N.
  B) 60 N/s.
  C) 60,000 W.
  D) 3.6 million joules.
  E) none of these

Question 2

Which task requires more work?
 
  A) lifting the 50-kg sack 2 meters
  B) lifting the 25-kg sack 4 meters
  C) both require the same
  D) need more information



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cloud

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

Answer: D

Answer to Question 2

Answer: C



londonang

  • Hero Member
  • *****
  • Posts: 540
Both answers were spot on, thank you once again



cloud

  • Sr. Member
  • ****
  • Posts: 343

 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

For a complete list of videos, visit our video library