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Author Question: A crane lifts a steel submarine (density = 7.8 103 kg/m3 ) of mass 20,000 kg. What is the tension ... (Read 205 times)

iveyjurea

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on: Jul 27, 2018
A crane lifts a steel submarine (density = 7.8  103 kg/m3 ) of mass 20,000 kg. What is the tension in the lifting cable:
 
  (a) when the submarine is submerged?
  (b) when it is entirely out of the water?

Question 2

The diameter of the sun is 13.9  108 m, and the distance from the Earth to the sun is 1.5  1011 m. How long does it take for the sun to disappear after it touches the horizon?
 
  What will be an ideal response?


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ebonylittles

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

(a) 1.71  105 N
(b) 1.96  105 N

Answer to Question 2

2.1 min


iveyjurea

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Reply #2 on: Jul 27, 2018
TY


ebonylittles

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Reply #3 on: Jul 27, 2018
You're welcome


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