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Author Question: A 550- N person empties her lungs as much as possible and is then completely immersed in water of ... (Read 45 times)

FButt

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on: Jul 29, 2018
A 550- N person empties her lungs as much as possible and is then completely immersed in water of density 1000 kg/m3 while suspended from a harness connected to a spring scale. The spring scale reads now 21.2 N. What is her density?
 
  A) 1050 kg/m3
  B) 1040 kg/m3
  C) 1030 kg/m3
  D) 960 kg/m3
  E) 56.1 kg/m3

Question 2

A barge is 10 m wide and 60 m long and has vertical sides. The bottom of the boat is 1.2 m below the water surface.
 
  What is the weight of the barge and its cargo (force exerted on them by Earth), if it is floating in fresh water of density 1000 kg/m3? A) 3.5 MN
  B) 6.4 MN
  C) 6.8 MN
  D) 7.1 MN
  E) 9.5 MN


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verrinzo

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

B

Answer to Question 2

D


FButt

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

carlsona147

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Reply 3 on: Yesterday
:D TYSM

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