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Author Question: A friend who is 180. cm tall stands 2.0 m from a plane wall mirror. You stand slightly behind him, ... (Read 72 times)

mrsjacobs44

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on: Jul 27, 2018
A friend who is 180. cm tall stands 2.0 m from a plane wall mirror. You stand slightly behind him, 3.0 m from the wall mirror. How tall must the mirror be if you are to see all of your friend in the mirror?
 
  What will be an ideal response?

Question 2

If you were to measure your pulse rate while in a spaceship moving away from the sun at a speed close to the speed of light, you would find that it was
 
  A) much faster than normal.
  B) much slower than normal.
  C) the same as it was here on Earth.


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zacnyjessica

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Reply #1 on: Jul 27, 2018
Answer to Question 1

1.08 meter

Answer to Question 2

C


mrsjacobs44

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Reply #2 on: Jul 27, 2018
Thank you!


zacnyjessica

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Reply #3 on: Jul 27, 2018
Always glad to help...


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