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astraxan [27]
3 years ago
14

What is the charge of the negative sphere

Physics
1 answer:
tatyana61 [14]3 years ago
8 0

Answer:

electrons

Explanation:

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A positive charge is moved from point A to point B along an equipotential surface. How much work is performed or required in mov
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Answer:

No work is performed or required in moving the positive charge from point A to point B.

Explanation:

Lets take

Q= Positive charge which move from  point A to point B along

Voltage difference,ΔV =V₁ - V₂  

The work done

W = Q . ΔV

Given that  charge is moved from point A to point B along an equipotential surface.It means that voltage  difference is zero.

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So

W = Q . ΔV

W = Q x 0

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3 years ago
The distance between 4 nodes (3 sections, 2 sections= wavelength) is 15.0cm. The frequency of the source is 10Hz. What's the spe
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Answer:

the speed of the waves is 150 cm/s

Explanation:

Given;

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Node to Node = λ/2

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Thus, λ = L = 15.0 cm

The speed (v) of the wave is calculated as follows;

v = fλ

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v = 150 cm/s

Therefore, the speed of the waves is 150 cm/s

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