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3 years ago

Why not two magnetic field lines can intersect? why not it is possible?

1 answer:

4 0

At each point on a 'line', the direction of the 'line' is the direction of the force
on a small test magnet placed in the field at that point.

If two 'lines' crossed at the same point, that means a small test magnet placed
at that point in the field would feel a force in two different directions.

But even if that were true, then the net effect on the small test magnet would be
the vector sum of the two forces, and they would be represented by a single net
force anyway, and therefore by a single field 'line' at that point.

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1. What charge is stored in a 180.0-μFcapacitor when 120.0 V is applied to it?

marin [14]

Answer:

So capacitance is charge divided by voltage and we can multiply both sides by V to solve for Q. So Q—the charge stored in the capacitor—is the capacitance multiplied by the voltage. So it's 180 times 10 to the minus 6 farads times 120 volts which is 0.0216 coulombs.

Explanation:

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2 years ago

What is one way your gpa can impact your high school exprience

zzz [600]

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3 years ago

Halley's comet moves about the Sun in an elliptical orbit, with its closest approach to the Sun being 0.59 A.U. and its greatest

Mrrafil [7]

Answer:

Explanation:

Given

Halley's closest distance from sun is $r_1=0.59\ A.U.$

Greatest distance is $r_2=35\ A.U.$

Comet's speed at closest approach is $v_1=47\ km/s$

As there is no external torque so angular momentum of comet about the sun is conserved

$L_1=L_2$

$mr_1^2\times \omega _1=mr_2^2\times \omega _2$

where $\omega =angular\ velocity$

This can be written as $\omega =\frac{v}{r}$

Therefore

$mr_1^2\times \frac{v_1}{r_1}=mr_2^2\times \frac{v_2}{r_2}$

$r_1\times v_1=r_2\times v_2$

$0.59\times 47=35\times v_2$

$v_2=0.79\ km/s$

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3 years ago

Help! Can someone please explain how to do this?

Vladimir79 [104]

I believe the answer is B

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2 years ago

In three to four sentences, explain how the photoelectric effect supports a particle model of electromagnetic radiation. As part

mr_godi [17]

The photoelectric effect supports a particle model of electromagnetic radiation as it behaves like an elastic collision between two particles.

<h3>What is Photoelectric effect?</h3>

This is defined as the emission of electrons when electromagnetic radiation, such as light, hits a material.

The energy of a wave increases with an increase in intensity and in photoelectric effect. However intensity has no effect on the energy of electrons emitted which is why it is inadequate to explain the photoelectric effect.

Read more about Photoelectric effect here brainly.com/question/1408276

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2 years ago