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Author Question: At what angle must a fish underwater look in order to see a fisherman at the shore? (Note: n for ... (Read 42 times)

deesands

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on: Jul 29, 2018
At what angle must a fish underwater look in order to see a fisherman at the shore? (Note: n for water is 1.33.)
 
  A) 41.2
  B) 48.8
  C) 60.0
  D) 36.9
  E) 90.0

Question 2

A 45-kg person steps on a scale in an elevator. The scale reads 460 N. What is the elevator doing?
 
  What will be an ideal response?


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taylorsonier

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

B

Answer to Question 2

It is accelerating upward at 0.41 m/s2.


deesands

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

xiazhe

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Reply 3 on: Yesterday
Wow, this really help

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