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Author Question: A fish is 2.1 m beneath the surface of a still pond of water. At what maximum angle can the fish ... (Read 141 times)

biggirl4568

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on: Jul 28, 2018
A fish is 2.1 m beneath the surface of a still pond of water. At what maximum angle can the fish look toward the surface (measured with respect to the normal to the surface) in order to see a fisherman sitting on a distant bank? (for water, n = 1.333)
 a. 18.6
  b. 48.6
  c. 37.2
  d. The fish will not see the fisherman at any angle.

Question 2

What happens to a given mass of water as it is cooled from 4C to zero?
 a. expands
  b. contracts
  c. vaporizes
  d. Neither expands, contracts, nor vaporizes.


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owenfalvey

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

A


biggirl4568

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Reply 2 on: Jul 28, 2018
Wow, this really help

recede

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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