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Author Question: A machine puts out 100 watts of power for every 1000 watts put into it. The efficiency of the ... (Read 161 times)

maychende

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on: Jul 29, 2018
A machine puts out 100 watts of power for every 1000 watts put into it. The efficiency of the machine is
 
  A) 10.
  B) 50.
  C) 90.
  D) 110.
  E) none of the above

Question 2

A hydraulic press, like an inclined plane, is capable of increasing energy.
 
  A) sometimes true
  B) always false
  C) always true
  D) sometimes false


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chjcharjto14

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B


maychende

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Reply #2 on: Jul 29, 2018
Thank you!


chjcharjto14

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Reply #3 on: Jul 29, 2018
Always glad to help...


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