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Charra [1.4K]
2 years ago
6

How many electrons should be removed from an initially uncharged spherical conductor of radius 0.300 m to produce a potential of

7.50kV at the surface?
Physics
1 answer:
Simora [160]2 years ago
3 0

1.56 x 10^12 electrons  electrons should be removed.

What are electrons   ?

The subatomic particles that revolve around an atom's nucleus are called electrons. They are smaller than protons or neutrons and have a negative charge. They are actually 1,800 times smaller. They also convey electric current.


Radius = 0. 300 m

Potential = 7.50 kV = 7.5 x 10^ 3 V

We kniw,

(Electric Potential) V = ke q/r

and q= ne

Therefore, n= Vr/ ke e

now substituting the values we get,

n= 1.56 x 10^12 electrons

To learn more about electrons click on the link below:

brainly.com/question/13822373

#SPJ4

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What is the force the results from a 3,000kg car accelerating at 20.00 m/s^2?
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F = ma  = 3000 * 20 = 60 000 N

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1. The arctic tern flies from the Arctic to the Antarctic and back every year, a total distance of 22,000 miles! In late summer,
NikAS [45]

Answer:

The average velocity that these birds travel is 122.22 miles per day  to the south.

Explanation:

Speed ​​is the physical quantity that expresses the variation in position of an object and as a function of time. In other words, speed is a physical quantity that expresses the relationship between the space traveled by an object, the time used for it and its direction.

Speed ​​is expressed mathematically as the quotient between distance and time:

v=\frac{d}{t}

where "v" is the speed of the mobile, "d" is the distance traveled by the mobile, and "t" is the time taken by the mobile to carry out the movement.

In this case:

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Replacing:

velocity=\frac{11,000 miles}{90 days}

velocity = 122.22 \frac{miles}{day}

<u><em>The average velocity that these birds travel is 122.22 miles per day  to the south.</em></u>

8 0
3 years ago
How much kinetic energy does a care 1000 kg car moving at 7 m/s have?
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Hey there!

<span>How much kinetic energy does a care 1000 kg car moving at 7 m/s have?

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5 0
3 years ago
A light source simultaneously emits light of two wavelengths, 480 nm and 560 nm, respectively. The source is used in a double-sl
Assoli18 [71]

Answer:

0.48 cm

Explanation:

given data

wavelength = 480 nm

wavelength = 560 nm

slit spacing = 0.040 mm

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solution

we know that  (1 nm= 10^{-9} m)

we wil take here equation of equations of interference that is

ym = R × (m λ)/d    ..........................1

here m = 2 R  i.e distance of screen and slit

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separation between the second-order bright fringes = 0.48 cm

6 0
4 years ago
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