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Author Question: If you do work on an object in half the time, your power output is A) half. B) the same. C) ... (Read 90 times)

theo

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on: Jul 29, 2018
If you do work on an object in half the time, your power output is
 
  A) half.
  B) the same.
  C) twice.

Question 2

Suppose you electrically charge a comb by running it through your hair. If you then shake this comb back and forth one time every second, you will create
 
  A) an electromagnetic wave having a frequency of 1 Hz and a speed of 300,000 km/s.
  B) a sound wave having a frequency of 1 Hz and a speed of 300,000 km/s.
  C) an electromagnetic field that vibrates at a frequency of 1 Hz, but no electromagnetic wave is created.
  D) the tooth fairy.
  E) a sound wave having a wavelength of 300,000 km and a speed of 300,000 km/s.


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rleezy04

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

Thank you for answering this question.

Answer to Question 2

A


theo

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Reply #2 on: Jul 29, 2018
TY


rleezy04

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Reply #3 on: Jul 29, 2018
You're welcome


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