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2 answers:
Answer:
B. Magnetic field
Explanation:
When metal filings are close to a magnetic field, they tend to align with it.
In other words, the show the direction of the magnetic field at each point.
even by guessing, there is no electric field around steady magnets, nor the gravitational attraction has nothing to dp with that. :)
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Answer:
1.75g
Explanation:
Given parameters:
Density = 3.5g/cm³
Volume = 0.5cm³
Unknown:
Mass of the diamond = ?
Solution:
Density is the mass per unit volume of a substance
Density =
So;
Mass = 3.5 x 0.5 = 1.75g