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Author Question: A 2-m-tall person viewing his full-length image in a plane mirror requires a mirror that is at least ... (Read 122 times)

lracut11

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A 2-m-tall person viewing his full-length image in a plane mirror requires a mirror that is at least
 
  1) any visible size.
  2) 2 m tall.
  3) 1 m tall.
 
  The size of mirror required
  4) depends on how far away from it he stands.
  5) does not depend on how far away from it he stands.

Question 2

A device that transforms electrical energy to mechanical energy is
 
  1) a generator,
  2) a motor,
  3) a transformer,
  4) any common magnet,
 
  and a device that transforms mechanical energy into electrical energy is a
  5) generator.
  6) motor.
  7) transformer.



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fauacakatahaias

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Answer to Question 1

Answer: 3, 5

Answer to Question 2

Answer: 1, 5




lracut11

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Reply 2 on: Jul 29, 2018
:D TYSM


rleezy04

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Reply 3 on: Yesterday
Gracias!

 

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