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Author Question: By how many Newtons does the weight of a 100. kg person change when he goes from sea level to an ... (Read 19 times)

j.rubin

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on: Jul 27, 2018
By how many Newtons does the weight of a 100. kg person change when he goes from sea level to an altitude of 5.00 km?
 
  What will be an ideal response?

Question 2

Consider a submarine at a depth of 67. meters in sea water (density 1.03 grams/cc) and the interior of the sub is at 1.0 atmosphere.
 
  (a) What is the outside pressure at that depth?
  (b) Find the total force that must be withstood by a square hatch (0.90 m square) which leads to the sub interior.


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dreamfighter72

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

1.54 N

Answer to Question 2

(a) 6.8  105 Pa = 6.7 atm
(b) 0.47 MN


j.rubin

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

at

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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