3 years ago

Name the parts of an atom and how each is charged, either positive, negative or neutral or uncharged

Physics

1 answer:

LuckyWell [14K]3 years ago

6 0

Neutron = no charge, Electron = negative charge, Proton = positive, and Nucleus = neutral

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2. In your own words, what is direct plagiarism?

alekssr [168]

Answer:

copying another writer's work with no attempt to acknowledge that the material was found in external source is considered as a direct plagiarism.

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3 years ago

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An object of mass m is traveling in a circle with centripetal force Fc. If the velocity of the object is v, what is the radius o

borishaifa [10]

Hi there!

Recall the equation for centripetal force:
$F_c = \frac{mv^2}{r}$

We can rearrange the equation to solve for 'r'.

Multiply both sides by r:
$r * F_c = mv^2$

Divide both sides by Fc:
$\boxed{ r= \frac{mv^2}{F_c}}$

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3 years ago

Does the densoty of an object change if you add more of it because i did an expirement that proved that the density does change

Marysya12 [62]

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When doing density labs sometimes you might get different answers due to errors that are unavoidable.

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finlep [7]

Uh it’s D i’m pretty sure

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3 years ago

Ask Your Teacher A coil is formed by winding 260 turns of insulated 16 gauge copper wire (diameter = 1.3 mm) in a single layer o

Liula [17]

Answer:

The resistance is $2.98$ Ω

Explanation:

<u>Data</u>

diameter: $d=1.3mm$ , $d=1.3*10^{-3} m$

Radius: $r=\frac{d}{2} ,r=\frac{1.3*10^{-3} }{2} ,r=6.5*10^{-4} m$

Resistivity constant: $p=1.65*10^{-8}$ Ω $m$

To find Area:

$A=\pi r^{2} \\A=\frac{22}{7} *(6.5*10^{-4} )\\A=1.33*10^{-6} m^{2}$

To find circumference:

$l=260*(2\pi (0.15))\\l=245.04m$

Now we can apply the Resistivity formula:

$R=p\frac{l}{A}$

$R=(1.65*10^{-8} )$ Ω $m*\frac{240.04m}{1.33*10^{-6}m^{2} }$

$R=2.98$ Ω

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3 years ago