Question 8 of 10
Calculate the electric potential energy in a capacitor that stores 1.0 x 10-10 C
of charge at 100.0 V. Use PE =
2

Answers

Answer 1

The electric potential energy in a capacitor will be 5 × 10 ⁻⁹ J.

What is a capacitor?

A capacitor is a device that can store electrical energy. It is a two-conductor configuration separated by an insulating medium that carries charges of equal size and opposite sign.

An electric insulator or vacuum, such as glass, paper, air, or a semiconductor termed a dielectric, can be used as the non-conductive zone.

The  electric potential energy in a capacitor is found as;

[tex]\rm E = \frac{1}{2} QV[/tex]

[tex]\rm E = \frac{1}{2}\times 1.0 \times 10^{-10} \ C \times 100 \ V \\\\ E= 5 \times 10^{-9} \ J[/tex]

Hence the electric potential energy in a capacitor will be 5 × 10 ⁻⁹ J.

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Related Questions

Where will the strongest force be excerted by the scissor blades to cut through a piece of material? Explain your answer.

Answers

Answer:

in the thick part of the scissors ✂️

Explanation:

because in physics simple machine called wedge the force applied in this thick area it have thine side used to split or piece objects

If a drag racing motorcyclist has an initial speed of 10 m/s, and then he/she
accelerates for 15 seconds at 15 m/s2, what is the velocity after 15 seconds?
O 30 m/s
O235 m/s
O225 m/s

Answers

Answer:

235 m/s

Explanation:

v = u + at

where v = final speed,

u = initial speed (10 m/s),

a = acceleration (15 m/s²),

t = time taken (15 s).

Substituting into the formula:

v = 10 + (15 x 15)

v = 10 + 225

v = 235 m/s

26.6 00
Fig. E26.6 both meters are ide-
alized, the battery has no appre-
ciable internal resistance, and the
ammeter reads 1.15 A. (a) What
does the voltmeter read? (b) What
is the emf & of the battery?
26.7 For the circuit shown
For the circuit shown in Figure E26.6
V
45.0 Ω
25.0 Ω
ww(A)
|15.0 Ω
www
|15.0 Ω
W
www
ww
4+
35.0 = ?
10.0 Ω

Answers

a. The voltmeter reads 0.053 volts

b. The electromotive force, emf of the battery is 0. 106 volts

How to determine the voltmeter reading

a. Given the current  = 1. 15A

Voltmeter reads the voltage = V

Resistance could be gotten from the diagram = R

V = IR

To find the resistance from the structure

First, find the resistance in parallel

Resistance in parallel = 1/R1 = 1/R2 + 1/R3 = 1/25 + 1/15 + 1/15 = 0. 17 Ohms

Now, find the resistance in series

Resistance in series = R1 + R2 + R3 = 45 + 0. 17 + 10 = 55. 17 Ohms

Finally, the  resistance in parallel = 1/35 + 1/55. 17 = 0. 028 + 0. 018 = 0. 046 Ohms

Substitute values into the equation

V = IR

V = 1. 15 * 0. 046

V = 0. 053 Volts

b. To find the Emf, use the formula

Emf =  V + Ir

Substitute the values into the formula

Emf = 0. 053 + 1.15 * 0.046

Emf  = 0. 053 + 0. 0529

Emf = 0. 106 volts

Therefore, the voltmeter reads 0.053 volts and the electromotive force of the battery us 0. 106 volts

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what kinds of investigations might have led to our current understanding of matter and energy? why is it important for scientists to use the same scientific method and consistent measurement units?

Answers

The kind of investigations might have led to our current understanding of matter and energy is research and measurement.

It is important for scientists to use the same scientific method and consistent measurement units in order to get the correct value while analayzing.

What is matter?

The matter has volume and space occupied.

When conceivable the researcher endeavors to test his speculations via painstakingly planned and controlled tests that will yield quantitative instead of subjective outcomes.

Thus, the kind of investigations might have led to our current understanding of matter and energy is research and measurement.

It is important for scientists to use the same scientific method and consistent measurement units in order to get the correct value while analayzing.

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in which area of the galaxy would you find stars with fairly circular orbits about the galactic center?

Answers

Stars with fairly circular orbits about the galactic center is found in the disk

What are stars?

Stars are one of the astronomical object that is usually very bright.

A circular orbit star is a star that moves in circular direction and not elliptical orbit which is most common to starts.

Therefore, Stars with fairly circular orbits about the galactic center is found in the disk

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The Volume Of a Body weighing is 1200 kg is 250000 [tex]cm^{3}[/tex] Find ITs density.


Write With Formula

Answers

Answer:

[tex]\boxed {Density = 4800 kg/m^{3}}[/tex]

Explanation:

Formula :

[tex]\boxed {Density = \frac{Mass (kg)}{Volume (m^{3})}}[/tex]

Convert volume into standard unit :

⇒ 250000 cm³ × 10⁻⁶

⇒ 0.25 × 10⁶ × 10⁻⁶

⇒ 0.25 m³

Solve for density :

⇒ Density = 1200 kg / 0.25 m³

⇒ Density = 1200 × 4 kg/m³

Density = 4800 kg/m³

Emissions from alpha decay require the least amount of shielding.

Which best describes why the emissions from alpha decay are so easily blocked compared to the emissions of other types of radioactive decay?

Answers

The particles released during alpha decay are called alpha particles. Alpha particles have greater mass and charge than other emitted particles.

Radioactive emissions are the transfer of energy through the flow of particles or waves in a mediumThere are 3 types of radioactive emissions which are alpha, beta and gammaIn alpha radiation, the nucleus emits an alpha particle which is equivalent to a helium nucleusIn beta radiation, an electron is emitted to convert a neutron to a protonIn gamma radiation, the nucleus just loses energy

Since alpha particles have more mass and charge, they are more ionising and lose more energy at a faster rate and can be blocked easily.

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The Voyager spacecraft is moving at 17 000 m/s. How far will it travel in one year? Give your answer in km. ​

Answers

Explanation:

first change m/s to km/hr and time 1 year to hour b/c we are asked the to give in km. so,

v=17,000 m/s = 17000×3600/1000 = 61,200 km/hr

t= 1 year= 365 days =365day×24 hr/day = 8,760hr

therefore, V = s/t from this s = v×t =61200×8760 =536,112,000 Km

Which of the objects around you is following Newton's first law of motion?

Answers

The object which follows Newton's first law of motion around me is; my scientific calculator.

What is the Newton's first law of motion?

The concept which describes objects as forever stationary except acted upon by external forces can be attributed to.the Newton's first law of motion. The postulation of the law is that; An object remains at rest if at rest, or if in motion, remains in motion at a constant velocity unless acted on by a net external force. Hence, except acted upon by an external force(myself), my calculator will remain at rest.

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The objects around us that obeys newton's first law of motion are

A book placed on the top of a table,A moving car,A standing fan,A building.

Newton's first law of motion

Newton's first law of motion states that every object will continue to be in its state of rest on remain in uniform motion except it is acted upon by an external force.

Newton's first law of motion is also called the law of inertia

Examples of  newton's first law of motion are

A book placed on the top of a tableA moving car,

etc.

Hence, The objects around us that obeys newton's first law of motion are

A book placed on the top of a table,A moving car,A standing fan,A building.

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Question 9 of 34
When you graph displacement versus time (a displacement-time graph), what
variable is on the y-axis?
O A. Speed
OB. Displacement
C. Time
O D. Velocity
SUBMIT

Answers

Answer:

Option B) Displacement

two conducting spheres are touched together​

Answers

Answer:

I think its either A or B. I’m not really sure, don’t listen to me. Read my explanation and it should help you.

Explanation:

When the two conducting spheres are brought together to touch, it is as though they become one single big conductor and the total charge of the two spheres spreads out across the whole surface of the touching spheres. When the spheres are moved apart again, each one is left with half of the total original charge…

X and Y are two identical conducting spheres separated by a distance d. X has a charge of +6µC and Y has a charge of -2µC. The electric force between them is +F (i.e. attractive). The spheres are touched together and are then returned to their original separation d. What is the new value of the force between them? Any help is greatly appreciated. I assumed that since the net charge should remain the same after, there would be no change in the value of the force, but the answer scheme gives the answer as -F/3…

An atom is the most basic particle that represents what type of matter?
OA. Element
OB. Compound
OC. Crystal
OD. Mixture

Answers

Answer:

b

Explanation:

An atom is the basic part of an element and consists of proton, electron, neutron. Have a nice day..

The equation to calculate density is D = m/v. For a liquid substance, which item increases as heat is applied?

volume
density
mass
density and volume

Answers

Answer:

See below

Explanation:

Things generally expand when heated ....so volume increases while mass remains the same .....this will cause the value of density to decrease  

suggest why it is better to use light gates and a computer than to use a stopwatch and a ruler to measure the speed of a toy car

Answers

Answer:

light gates are more reliable

Explanation:

when using a manual stop watch it's difficult to stop it at an exact time. light gates able to detect when an object passes through a 'gate' with the infrared transmitter and receiver. (sorry for my explanation)

An Object weighs 600N on Earth. What would its weight be on on another planet of gravitational acceleration 8N/kg?

Answers

Answer:

Correct option is A)

Weight on earth = 600N

Let g= 10m/s2 on earth

Mass on earth = 10600=60 kg

Now, since mass is a constant quantity so, it will remain 60 kg on the moon also.

Now, weight on moon = mg′

m= mass =60 kg

g′ = acc. due to gravity on moon = 61th the value on earth

So, Weight on moon = 61th of the weight on earth 

⇒ Weight on the moon =600×61=100 N

what is the angular displacement of a minute hand of a clock after 3 minutes?​

Answers

Answer:

π/10 rads

Explanation:

It takes an hour (60 minutes) for the minute's hand to turn a full circle or achieve an angular rotation of

2πl rad.

Now, number of periods of 3 minutes in an hour is;

Number of periods = 60/3 = 20 periods

Thus, 3 minutes rotation accounts for 1/20 of 2π the rotation of the minute's hand in an hour.

Thus;

Angular displacement = (1/20) * 2π = π/10 rads

A flywheel is rotating at 30 rev/s. What is the total angle, in radians, through which a point on the flywheel rotates in 40 s?

Answers

The total angle, in radians, through which a point on the flywheel rotates is 7540 radians

Angular motion

From the question, we are to determine the total angle in radians

Using the formula,

[tex]\omega = \frac{\theta}{t}[/tex]

Where [tex]\omega[/tex] is the angular velocity

[tex]\theta[/tex] is the angle

and t is the time

From the given information,

[tex]\omega = 30 \ rev/s[/tex]

Convert to rad/s

[tex]\omega = 30 \times 2\pi \ rad/s[/tex]

[tex]\omega = 188.496 \ rad/s[/tex]

and t = 40 s

From the formula

[tex]\omega = \frac{\theta}{t}[/tex]

[tex]\theta = \omega t[/tex]

∴ [tex]\theta = 188.496 \times 40[/tex]

θ = 7539.822 rad

θ ≅ 7540 rad

Hence, the total angle, in radians, through which a point on the flywheel rotates is 7540 radians

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I need help!1
An ambulence is currently travelling at 15m/s and is accelerating with a constant acceleration of 5m/s^2, the ambulence is attempting to pass a car which is moving at a constant velocity of 30m/s. how far must the ambulence travel until it matches the car's velocity?

Answers

Answer:

67.5m

Explanation:

Use the kinematics equation.[tex]\frac{vf^2-vo^2}{2a} =x[/tex]

[tex]vf=30[/tex]  [tex]vo=15[/tex] [tex]a=5[/tex]

[tex]\frac{30^2-15^2}{10} =x\\[/tex]

[tex]67.5=x[/tex]

Select the correct location on the image.
Identify the magnetic north pole of Earth’s magnet.

Answers

The magnetic north pole of the earth's magnet is in the geographic south pole.

There are two magnetic and geographic poles each, north and southThe two geographic poles are the locations where the earth's axis of rotation passes through which is imaginaryThe magnetic north and south poles are not the same as the geographic north and south polesIn a compass, the needle points to the magnetic north poleBy convention, the magnetic north pole corresponds to the geographic south poleThe magnetic south pole corresponds to the geographic north poleThe magnetic field lines of a magnet start from the magnetic north pole and end at the magnetic south pole

The magnetic north pole of the earth's magnet is the geographic south pole.

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Magnification of the image is formed by a mirror is -1.25,then answer the following questions
1. Mention the position of the object on the principle access
2. What kind of mirror is used to get the image
3. Mention the characteristics of the image
4. What is the height of the image if the object size is 2 cm

Answers

Answer:

below

Explanation:

1. in front of the mirror

2. convex mirror

3.upright and diminished

4.magnification= image height÷object height

-1.25=i.h÷2

ih=-1.25×2

i.h=-2.5

When water vapor (a gas) starts to cool, it can
become a liquid. What causes this change in the
state of matter in water?

Answers

Answer:

This process is CONDENSATION

Explanation:

Condensation occurs when water vapour loses some of its kinetic energy to a colder body and changes into liquid state.

Samuel pushes against a door with a force of 10N, but the door doesn't move. Has Samuel done work on the door?

Answers

No, Samuel hasn't done work, Since the door doesn't move.

What is work done?

Work is said to be done when an applied force moves an object over a given distance.

W = Fd

where;

W is work doneF is the applied forced is the distance

Since the door doesn't move, we can conclude that Samuel hasn't done work.

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What is bioluminescence?
A. It is when living creatures absorb light.
B. It is when living creatures reflect light.
C. It is when living creatures produce light.
D. It is when living creatures destroy light.

Answers

Pretty sure they produce light

Answer:

C.

Explanation:

Bioluminescence is the fascinating natural phenomenon by which living creatures produce light.

what is the value of v2 below in the series circuit.​

Answers

Answer:

[tex]\fbox {40 V}[/tex]

Explanation:

The formula we apply :

[tex]\boxed {Voltage = Current \times Resistance}[/tex]

At the point 2, current flowing will be 2A and resistance is 20Ω.

Solving :

V = 2 × 20

V = 40 V

The quotient of 8.4x10° and a number n results in 5.6x 1027. What is the value of n?
1.5x10-18
O 1.5x10
O 1.5x10³
1.5x10¹8

Answers

answer: n = 1.5 x 10^-18

A force of 5N produces an acceleration of 8m/s2 on mass m1, and an acceleration of 24m/s2 on a mass m2. What acceleration would the same force provide if both the masses are tied together.

Answers

The acceleration that the same force will provide if both masses are tied together is; 6.0 m/s².

How to find the Acceleration?

We are given;

Force; F = 5 N

Acceleration of the first mass, a₁ = 8.0 m/s²

Acceleration of the second mass, a₂ = 24 m/s²

Formula for force is;

F = ma

Let us find both masses; m₁ and m₂.

m₁ = F/a₁

m₂ = F/a₂

Thus;

m₁ = 5/8 kg

m₂ = 5/24 kg

Total mass is; m = m₁ + m₂

m = 5/8 + 5/24

m = 15 + 5/24

m = 20/24 kg

Thus, acceleration if they are both tied together is;

a = F/m

a = 5/(20/24)

a = 6.0 m/s².

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A.
emotional health : expressing feelings
B.
physical health : respecting others
C.
mental health : living in harmony with the environment
D.
social health : getting adequate sleep

Answers

answer is D social health

Cancer and diabetes are two common hereditary diseases.

True or False?

Answers

cancer and diabetes are in fact two common hereditary dieseases

a standby generator is connected to 1540 w lamps and a musicians 600w amplifying system how much energy is used if the generator is used for 6 hours​

Answers

Answer:2140 watts x 6 hours =12.84 kWh. Are you looking for specific type units such as Jules?

How many electrons or protons are found in: a). +1 C of charge? b). -1 C of charge? c. -1.6 x 10^-6 C of charge? a)

Answers

Answer:

50 charges

Explanation:

it will deduct and mutiple it self and divide

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