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Kaylis [27]
4 years ago
8

By how many orders of magnitude is the distance to the nearest stars greater than the orbital radius of Neptune

Physics
1 answer:
AleksAgata [21]4 years ago
5 0
Four
••••••••••••••••••••
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Hey there! 

<span>Answer: </span>A swell

A wave which creates a strong undertow is called a swell. These types of waves are also known as <span>surface gravity waves. 

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8 0
3 years ago
A 13.0 g piece of Styrofoam carries a net charge of â5.40 μC and floats above the center of a large horizontal sheet of plastic
kati45 [8]

Answer:

σ =4.180×10^{-9} C/m^2

Explanation:

electric field due to non conducting sheet is

E=\frac{\sigma}{2\epsilon_0}

the force acting on the piece of Styrofoam

Eq= mg

⇒E= mg/q

now,

\frac{mg}{q} = \frac{\sigma}{2\epsilon_0}

⇒\sigma= \frac{2mg\epsilon_0}{q}

\sigma= \frac{2\times0.013\times9.81\times8.85\times10^{-12}}{5.40\times10^{-4}}

charge per unit area (in C/m2) on the plastic sheet σ =4.180×10^{-9} C/m^2

6 0
3 years ago
describe two methods a researcher can use to avoid obtaining a nonrepresentative sample this is for high school psychology
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Take a purely random sample or to deliberately pick individuals who represents the various groups
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A homeowner has a new oil furnace which has an efficiency of 60%. For every 100 barrels of oil used to heat his house, how much
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Answer:

below

Explanation:

4 0
4 years ago
Planck's constant, h, is 6.626 x 10-34 js. the speed of light in a vacuum, c, is 3.00 x 108 m/s. calculate the frequency of a gr
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