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3 years ago

What is one way to store a lot of potential energy in the field between two charged objects?

Physics

1 answer:

Alekssandra [29.7K]3 years ago

3 0

Answer:

Explanation:

Two charged particles will vary in energy as we alter the distance between them.

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A scientist designs an experiment in which a light source is pointed at a substance and a light detector is placed on the opposi

Lostsunrise [7]

The answer is D. Either absorbed or reflected. The reason is because if no light is being shown on the other side, the substance is not letting any light pass through. Since we do not know anything else about the substance, we do not know which one of the two it is doing. The scientist would not see any light on the detector if 100% of the light is reflected and the same thing would happen if 100% of the light was absorbed.

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3 years ago

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Calculate the maximum absolute uncertainty for R if:

Radda [10]

Answer:

ΔR = 9 s

Explanation:

To calculate the propagation of the uncertainty or absolute error, the variation with each parameter must be calculated and the but of the cases must be found, which is done by taking the absolute value

The given expression is R = 2A / B

the uncertainty is ΔR = | $\frac{dR}{dA}$ | ΔA + | $\frac{ dR}{dB}$ | ΔB

we look for the derivatives

$\frac{dR}{dA}$ = 9 / B

$\frac{dR}{dB}$ = 9A ( $- \frac{1}{B^2 }$ )

we substitute

ΔR = $\frac{9}{B}$ ΔA + $\frac{9A}{B^2}$ ΔB

the values are

ΔA = 2 s

ΔB = 3 s

ΔR = $\frac{9}{11}$ 2 + $\frac{9 \ 32}{11^2 }$ 3

ΔR = 1.636 + 7.14

ΔR = 8,776 s

the absolute error must be given with a significant figure

ΔR = 9 s

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3 years ago

A charge of 1.0 × 10-6 μC is located inside a sphere, 1.25 cm from its center. What is the electric flux through the sphere due

Korvikt [17]

Answer:

$\Phi_E=0.11\frac{N\cdot m^2}{C}$

Explanation:

According to Gauss's Law, the electric flux of a charged sphere is the electric field multiplied by the area of the spherical surface:

$\Phi_E=EA\\\Phi_E=E(4\pi R^2)\\\Phi_E=\frac{q}{4\pi \epsilon_0 R^2}(4\pi R^2)\\\Phi_E=\frac{q}{\epsilon_0}$

This is identical to the electric flux of a point charge located in the center of the sphere.

$\Phi_E=\frac{1*10^{-12}C}{8.85*10^{-12} \frac{C^2}{N\cdot m^2}}\\\Phi_E=0.11\frac{N\cdot m^2}{C}$

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4 years ago

A conservative force on a particle moving along the x axis is given by F = (3x^2-2x)i. Which of the following is a potential tha

ANTONII [103]

pck u

report me if you can

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2 years ago

Which one is the best explanation of energy?

vladimir1956 [14]

The energy of a substance is defined as the capacity to do work.The energy may be possessed by the body in various forms.It may be kinetic,potential,magnetic.electric etc.

a- The energy can be transformed from one form to another form.It is called energy conversion.

c-The power defined as the consumption of energy per unit time.

$Mathematically\ power\ P=\frac{E}t} =\frac{W}{t}$

Here E is the energy and W is the work done,t is the time.

d-The S.I unit of energy is Joule[J].

Hence the correct answer to the question is b. the ability to do work

6 0

3 years ago

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