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Author Question: A hollow steel ball of diameter 3.0 m just barely floats in water. What is the wall thickness of the ... (Read 86 times)

NguyenJ

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on: Jul 29, 2018
A hollow steel ball of diameter 3.0 m just barely floats in water. What is the wall thickness of the ball? (Fe = 7.87 g/cm3, water = 1.00 g/cm3 )
 
  A) 6.6 cm
  B) 37 cm
  C) 131 cm
  D) 79 cm

Question 2

What is the inductive reactance of a 2.50-mH coil at 1000 Hz?
 
  A) 2500
  B) 796
  C) 15.7
  D) 2.50
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lindahyatt42

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

A

Answer to Question 2

C


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