A hollow steel ball of diameter 3.0 m just barely floats in water. What is the wall thickness of the ...

Author Question: A hollow steel ball of diameter 3.0 m just barely floats in water. What is the wall thickness of the ... (Read 47 times)

NguyenJ

Hero Member
Posts: 516

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

Physics ¦ Walker ¦ 5^th Edition

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lindahyatt42

Sr. Member
Posts: 322

Reply #1 on: Jul 29, 2018

Answer to Question 1

A

Answer to Question 2

C

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