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Vikki [24]
3 years ago
11

(NO LINKS) Compare and contrast magnetism and electricity. And how are they alike? No need for a long answer.

Physics
2 answers:
marishachu [46]3 years ago
6 0

Answer:

Explanation:

Magnitisim is caused by a moving electric field, and electricity can be caused by a moving magnetic feild.

i would like to breefly explain how light is a product of these two fields.

Say you have an electricly charged particle. lets prettend it has a +electric field. Lets shake it up and down in a periodic way. So now the electric field is moving perpendicular to the motion of the particle. But the electric field has to turn into a magnetic field becuase its moving. and it does. but the the same happins with the magnetic feild becuase its moving. and it goes back and forth and gives rise to light

lakkis [162]3 years ago
3 0

Electricity and magnetism are essentially two aspects of the same thing, because a changing electric field creates a magnetic field, and a changing magnetic field creates an electric field

Explanation:

(Can I please have Brainiest? :)

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Plasma

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A rolling ball will eventually come to a stop. Why does this happen?
Digiron [165]

Answer:

(D) friction from the ground changes the ball's

kinetic energy into heat

Explanation:

When a ball is roll on the ground, the electrons in the atoms on the surface of the ground push against the electrons in the atoms on the surface of your ball that is touching the ground. A rolling ball stops because the surface on which it rolls resists its motion,that is when two surfaces come in contact with each other, the surface of one tends to oppose the motion of the other. A rolling ball stops because of friction.

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3 years ago
3. Suppose that an airplane flying 60 m/s, at a height of 300m, dropped a sack of flour (pere the effect
Arlecino [84]

469.24m. An airplane flying 60m/s at a height of 300m dropped a sack of flour that stack the ground 469.24m from the point of release.

This is a example of horizontal parabolic projectile motion,and we represents this motion in the coordinate axis, which means that the velocity has components in x axis and y axis.

The equation of components on the x axis.

v_{0}x=\frac{x}{t}, where x is the distance and Vox the initial velocity before the drop

The equation of components on the y axis.

y = v_{0}yt+\frac{gt^{2} }{2}, where y is the height, and the velocity in y component before the drop is 0, reducing the equation to y = \frac{gt^{2} }{2}

Clear t from both the equation of components on the x axis and the y axis:

t=\frac{x}{v_{0} x} and t=\sqrt{\frac{2h}{g}}

Equating both equations and clearing the distance x:

\frac{x}{v_{0} x}=\sqrt{\frac{2h}{g}}\\x={v_{0} x}\sqrt{\frac{2h}{g}}

Substituting the values:

x=60\frac{m}{s} \sqrt{\frac{2(300m)}{9.81\frac{m}{s^{2} } }}=469.24m

3 0
3 years ago
A uniform line charge extends from x = - 2.6 cm to x = + 2.6 cm and has a linear charge density of = 5.5 nC/m.(a) Find the total
Mashutka [201]

Answer with Explanation:

We are given that

x=-2.6 cm to x=2.6 cm

Linear charge density=\lambda=5.5nC/m=5.5\times 10^{-9} C/m

1nC=10^{-9} C

Length of wire=2.6-(-2.6)=2.6+2.6=5.2cm

Length of wire=\frac{5.2}{100}=0.052m

1 m=100 cm

We know that

a.Linear charge density=\frac{Q}{L}

Where Total charge =Q

Length=L

Total charge,Q=\lambda L

Using the formula

Total charge,Q=5.5\times 10^{-9}\times 0.052=2.86\times 10^{-10}C

b.y=4 cm=\frac{4}{100}=0.04m

1 m=100 cm

Electric field on the y-axis is given by

E=\frac{2\lambda}{4\pi\epsilon_0 y}(\frac{L}{\sqrt{4y^2+L^2}}

\frac{1}{4\pi\epsilon_0}=9\times 10^9 Nm^2/C^2

Using the formula

E=\frac{2\times 5.5\times 10^{-9}\times 9\times 10^9\times 0.052}{0.04\times \sqrt{4(0.04)^2+(0.052)^2}}

E=1348.8N/C

c.y=12 cm=\frac{12}{100}=0.12m

Using the formula

E=\frac{2\times 5.5\times 10^{-9}\times 9\times 10^9\times 0.052}{0.12\times \sqrt{4(0.12)^2+(0.052)^2}}

E=174.7N/C

3 0
4 years ago
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