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Sonbull [250]
3 years ago
5

True or false: Only people that hold opinions of the group should get to express their opinion.

Physics
1 answer:
PilotLPTM [1.2K]3 years ago
5 0

Answer:

true

Explanation:

this is fair to other people

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A piece of styrofoam has a charge of 0.002 mC and is placed 0.5 m from a grain of salt with a charge of 0.03 nC. How much electr
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Answer:

2.16×10⁻⁶ N

Explanation:

Applying,

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Where F = electrostatic force, k = coulomb's constant, q = charge on the styrofoam, q' = charge on the grain of salt, r = distance between the charges.

From the question,

Given: q = 0.002 mC = 2.0×10⁻⁶ C, q' = 0.03 nC = 3.0×10⁻¹¹ C, r = 0.5 m

Constant: k = 8.99×10⁹ Nm²/C²

Substitute these values into equation 1

F = (2.0×10⁻⁶)(3.0×10⁻¹¹)(8.99×10⁹)/0.5²

F = 2.16×10⁻⁶ N

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Answer:

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Explanation:

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