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Author Question: Define specific gravity. What will be an ideal response? ... (Read 37 times)

lbcchick

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on: Jul 29, 2018
Define specific gravity.
 
  What will be an ideal response?

Question 2

If the earth's electric field is 100 N/C downward, what must be the charge on a 1-kg object so that it would be weightless?
 
  A)
 
  9.8 C
  B)
 
  0.22 C
  C)
 
  1.0 C
  D)
 
  -9.8  10-2 C
  E)
 
  9.8  10-2 C


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ambernicolefink

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

The specific gravity of a substance is defined as the ratio of the density of that substance to the density of water at 4.0C.

Answer to Question 2

D


lbcchick

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Reply 2 on: Jul 29, 2018
Wow, this really help

nguyenhoanhat

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Reply 3 on: Yesterday
Excellent

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