3 years ago

Helppppp!! can a current run through a metal conductor can create a magnetic field

Physics

1 answer:

sineoko [7]3 years ago

7 0

Answer:

yesssssssssssssssssss

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If it was removed it would not be a predator

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A wave has a wave length of 20mm and a frequency of 5 hertz. What is the speed?

zmey [24]

Speed = (wavelength) x (frequency

Speed = (.020 m) x (5 / sec)

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A singly charged 7Li ion has a mass of 1.16 10-26 kg. It is accelerated through a potential difference of 523 V and subsequently

mel-nik [20]

Answer:

$R=0.023m$

Explanation:

From the question we are told that:

Mass $m=1.16*10^{-26}$

Potential difference $V=523V$

Magnitude $m=0.370 T$

Generally the equation for Velocity is mathematically given by

$\frac{1}{2}mv^2=ev$

$v=\frac{2ev}{m}$

$v=\frac{2*1.6*10^{-19}*542}{1.16*10^{-26}}$

$v=12.22*10^4m/s$

Generally the equation for Force is mathematically given by

$F=qvBsin \theta$

Where

$qVB=m\frac{v^2}{R}$

$F=m\frac{v^2}{R}sin\theta$

Therefore

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3 years ago

Answers please!!!!!!!!!!!!!!!!

kaheart [24]

I only know #2 and #4.
2.) cells
3.) cells, life , existing

Sorry that i dont know the rest but i took a test on this not to long ago, and i tend to forget stuff once i take a test on it.

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4 years ago

Ryan applied a force of 10N and moved a book 30 cm in the direction of the force. How much was the workdone by Ryan?

Orlov [11]

Force=10N
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$\\ \sf\bull\longmapsto Wd=Force(Displacement)$

$\\ \sf\bull\longmapsto Work=10(0.3)$

$\\ \sf\bull\longmapsto Work=3J$

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