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Alexxx [7]
2 years ago
9

6 An infinite non-conducting sheet has a surface charge density o = 5.80pC/m². (a) How

Physics
1 answer:
Anit [1.1K]2 years ago
4 0

a. Work done = 2. 0648 Joules

b. Electrical potential, V = 4. 03 × 10^10 volts

<h3>How to determine the parameters</h3>

a. Work done = force × distance

Force = density × acceleration due to gravity

Force = 5. 80 × 10

Force = 58 Newton

We have that distance = 3. 56cm = 0. 0356 m

Work done = 58 × 0. 0356

Work done = 2. 0648 Joules

b. The formula for electric potential is given thus,

Electric potential, V = k\frac{q}{r}

r = 0. 0356m

k = Coulomb's constant = 8.98*10^9kg⋅m3⋅s−4⋅A−2.

q= 1.60x10^-¹C

substitute into the formula

Electric potential, V = 8. 98 × 10^9 × \frac{1. 6 * 10^-^-1}{0. 0356}

Electric potential, V = 8. 98 * 10^9 × 4. 494

Electric potential, V = 4. 03 * 10^1^0 volts

Learn more about electric potential here:

brainly.com/question/14812976

#SPJ1

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Drag and drop the terms at the left to match the appropriate descriptions at the right. ResetHelp Visual acuity Emmetropia Accom
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Answer: Visual acuity: sharpness of vision.

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Refraction: bending of light rays.

Emmetropia: normal vision.

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Presbyopia: age-related farsightedness due to loss of elasticity in the lens.

Astigmatism: reduction in visual acuity due to changes in the cornea or lens.

Hyperopia: farsightedness

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Presbyopia occurs in old age people.

Explanation:

Visual acuity: It can be defined as the inability to observe the details of shape of the object. Person loses sharpness in vision.

Myopia: It is a defect in vision in which person is able to observe the near by objects clearly but not able to see the distant objects.

Refraction: It can be defined as the bending of beam of light when it passes through from one substance to another.

Emmetropia: It is a vision without any defect.

Accommodation: It is the ability of the eye to adjust its focal length and adjusting the light on focus.

Presbyopia: It can be defined as the loss of ability of eye to focus on the object. It occurs in old age.

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Hyperopia: It is also called as farsightedness. Distant objects can be seen clearly but nearby appears blurry.

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3 years ago
A system dissipates 12 J of heat into the surroundings; meanwhile, 28 J of work is done on the system. What is the change of the
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Answer:

option C

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given,

energy dissipated by the system to the surrounding = 12 J

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change in internal energy of the system

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work done = -28 J

Δ U = Q - W

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In simple harmonic motion, the speed is greatest at that point in the cycle whenA) the magnitude of the acceleration is a maximu
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Answer:

C) the magnitude of the acceleration is a minimum.

Explanation:

As we know that ,the general equation of the simple harmonic motion given as

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The acceleration a

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