(True or False) Using Gauss's Law to find the electric field E due to a uniformly charged 3-dimensional object requires the calculation of q_encl = rho*(Vol), where rho is the volume charge density of the object, and Vol is always the total volume enclosed by the Gaussian surface.

You should swim for 1.5 hours in order to work off three cookies if swimming consumes 520 c/h .

Swimming is an effective way to burn calories, and can help you work off those pesky extra treats. To burn off just three cookies, you'll need to swim for approximately 1.5 hours.

Here's the math: 3 cookies contain approximately 540 calories, and swimming at 520 calories per hour means you'll need to swim for 1.5 hours in order to burn off the equivalent of three cookies.

Calories can be described as the measuring unit for the amount of energy in a food. If cookies have 520 calories then you need to swim for a time of 1.5 hours to burn those 520 calories.

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There would be a total of 2 force vectors on a free-body diagram of an elevator suspended by a cable descending at constant velocity.

FBDs are valuable tools for describing the relative magnitude and direction of all forces operating on an object in a given condition. The meticulous drafting of a free-body diagram is the initial step in evaluating and describing most physical processes. In a free-body diagram, the size of the arrow denotes the magnitude of the force while the direction of the arrow denotes the direction in which the force acts.

A free-body diagram often includes the following elements:

The quantity of forces acting on a body is determined by the nature of the problem and the assumptions made. Air resistance and friction are frequently overlooked.

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The work we have to do on the -oz ball to get it to that speed is 62.20 ft.lb.

1 ounce = 0.0625 pound

1 mile per hour is = 1.46667 \(\frac{ft}{sec}\)

Now, the speed of ball is =89.46687  \(\frac{ft}{sec}\)

Now, to find the weight of the ball=0.0625 ×8

weight of ball=0.5lb

The energy an object has as a result of motion is known as kinetic energy.

A force must be applied to an object in order to accelerate it. We must put in effort in order to apply a force. After the work is finished, energy is transferred to the item, which then moves at a new, constant speed. Kinetic energy is the type of energy that is transferred and is dependent on the mass and speed attained.

Kinetic Energy=\(\frac{1}{2} mv^{2}\)

Kinetic Energy=\(\frac{1}{2}\times0.5\times89.46687^{2}\)

Kinetic Energy=2001.082 \(\frac{ft^{2} }{sec^{2} }\times lb\)

Now, 1lbf =32.174049\(\frac{ft}{sec^{2} }\times lb\)

Now, kinetic energy=\(\frac{2001.082}{32.174049}\)

kinetic energy=62.20 ft.lb

Now, kinetic energy will always be equal to work done.

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To determine the freezing level and areas of probable icing aloft, the pilot should refer to the (a) inflight aviation weather advisories.

These advisories provide crucial information about the freezing level and potential icing conditions at different altitudes, which can help pilots make informed decisions for safe flying. The surface analysis chart is used to analyze weather systems at the Earth's surface, and while useful for understanding general weather patterns, it does not directly provide information about freezing levels and icing conditions aloft.

The pilot should consult the AIRMET (Airmen's Meteorological Information) and SIGMET (Significant Meteorological Information) warnings to identify the freezing level and areas of likely icing aloft. These advisories offer details on weather risks, such as icing, that could compromise flight safety. When the temperature falls below freezing, precipitation begins to freeze and may eventually turn to ice, which may then form ice on aircraft. This altitude is known as the freezing level. To prevent flying into potential icing, which can hinder the operation of the aircraft and represent a serious safety concern, pilots must be aware of the freezing level. The surface analysis chart and the weather representation chart both show the current weather conditions at the surface, however they might not show icing aloft.

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Answer:

To find the distance the car traveled before coming to a halt, we can use the formula:

distance = initial velocity x time + (1/2) x acceleration x time^2

In this case, initial velocity is 15m/s², time is 5 seconds, and acceleration is -15m/s² (negative because the car is decelerating to a stop).

So, distance = 15m/s² x 5 seconds + (1/2) x -15m/s² x (5 seconds)^2

The distance the car traveled before coming to a halt is approximately 168.75 meters.

Answer:

when the ball falls down

Explanation:

because gravity is a very strong Force

Answer:

a

Explanation:a

Pierre Charles L'Enfant was an inventor and architect who is best known for designing the city plan of Washington, D.C., the capital of the United States.

An inventor is a person who creates new and useful ideas or devices that are often innovative and novel. Inventors can work in a wide range of fields, from technology and engineering to medicine and the arts. Their ideas and inventions can be revolutionary and can have a significant impact on society and the economy. The process of inventing typically involves identifying a problem or need, and then developing and testing a solution or device to address that problem. Inventors may work alone or as part of a team, and they may collaborate with other professionals, such as engineers, scientists, or designers, to bring their ideas to fruition.

Here,

L'Enfant was born in France in 1754 and received his training as an engineer and military officer. He served in the Continental Army during the American Revolution and later worked as a city planner and surveyor.

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If the cross-section of the area of the plate, the distance between the plate, and the dielectric constant are all doubled for a parallel plate capacitor, the capacitance of the parallel plate capacitor is doubled.

C = \(\frac{K\epsilon A}{d}\)

where C refers to the capacitance

K is the dielectric contsant

d is the separation between two plates

A is the area of the plates

According to the question, the new capacitance comes out to be

C' = \(\frac{2K\epsilon (2A)}{2d}\) =  \(\frac{2K\epsilon A}{d}\)

C' = 2C

Therefore, we can say the parallel plate capacitance is doubled with a doubling of plate area, plate separation, and dielectric constant.

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Answer:200J

Explanation:E=MGH

= 2*10(assuming you round earth’s gravity to 10)*10

=200

Answer:

I need a picture dude or something more specific than the other kids were white gold and blue

The final velocity of both the balls after collision is 2.17m/s and direction of movement is 45°.

mass of the the first clay ball = 28gm =0.028 kg

initial velocity of the first clay ball = u1 =3.4m/s

mass of the the second clay ball = 34gm =0.034g

initial velocity of the second clay ball = u2= 2.8m/s

Now, Initial momentum of the first ball: p1 = m1 × u1

p1 = (0.028)(3.4)

p1 = 0.0952 kg-m/s

Initial momentum of the second ball: p2 = m2 × u2

p2 =(0.034)(2.8)

p2 = 0.0952 kg-m/s

Resultant of initial momentum of both the balls:

Pi = √(Pxi² + Pyi²)

Pi = √{(0.0952)² + (0.0952)²}

Pi = 0.1346 kg-m/s

Finding final velocity by applying conservation of momentum-

Pi = Pf

mv = 0.1346

v = 0.1346 / 0.062

v = 2.17 m/s

Finding direction of the two balls's velocity-

tanθ = Pyi/Pxi

tanθ = 0.0952/0.0952

tanθ = 1

θ = 45°

Therefore, the final velocity of both the balls after collision is 2.17m/s and direction of movement is 45°.

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Answer:

cause the changes is the interaction with something. ... So the electromagnetic energy will have increased it's  ...

Wavelength and frequency. Explanation: Electromagnetic energy is determined by wavelength and frequency. These are dependent on each other, so anything ...  More

The form of precipitation which may occur from this type of clouds is cumulus clouds.

Precipitation cloud is the cloud from which rain falls or looks likely to fall.

Below are some types of precipitation:

Precipitation refers to any or all of the forms of water particles, whether liquid or solid, that fall from the atmosphere such as; rain, hail, snow or sleet).

It is a major class of hydrometeor, but it is distinguished from cloud, fog, dew, rime, frost, etc., in that it must fall. It is distinguished from cloud and virga in that it must reach the ground.

Cloud refers to visible mass of water droplets suspended in the air.

In conclusion, the form of precipitation which may occur from this type of clouds is cumulus clouds

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The acceleration due to gravity on astronaut on the alien planet will be 6.38 m/s²

Weight is a force exerted by earth on a body in a vertically downwards direction towards its center.

Mathematically -

Weight [W] = mass [m] x acceleration due to gravity [g].

Given is an astronaut whose weight is 655 N on Earth and the same astronaut weighs 465 N on an alien planet.

We can write -

Weight on earth [W] = 655 N

Acceleration due to gravity on Earth [g] = 9.8 m/s²

Weight on alien planet [W'] = 465 N

Assume the acceleration due to gravity on alien planet be g'.

Then -

W[earth] = mg = W.

W[alien planet] = mg' = W'.

Since the mass remains same, we can say that -

m[earth] = m[alien planet]

W/g = W'/g'

g' = (W'g)/W

g' = (465 x 9.8)/655

g' = 6.38 m/s²

Therefore, the acceleration due to gravity on astronaut on the alien planet will be 6.38 m/s²

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Answer:

λ = 1.8 x 10⁻⁷ m = 180 nm

Explanation:

First we find the work function of tungsten by using the following formula:

∅ = hc/λmax

where,

∅ = work function = ?

h = Plank's Constant = 6.626 x 10⁻³⁴ J.s

c = speed of light = 3 x 10⁸ m/s

λmax = maximum wavelength for photoelectric emission = 230 nm

λmax = 2.3 x 10⁻⁷ m

Therefore,

∅ = (6.626 x 10⁻³⁴ J.s)(3 x 10⁸ m/s)/(2.3 x 10⁻⁷ m)

∅ = 8.64 x 10⁻¹⁹ J

Now we convert Kinetic Energy of electron into Joules:

K.E = (1.5 eV)(1.6 x 10⁻¹⁹ J/1 eV)

K.E = 2.4 x 10⁻¹⁹ J

Now, we use Einstein's Photoelectric Equation:

Energy of Photon = ∅ + K.E

Therefore,

Energy of Photon = 8.64 x 10⁻¹⁹ J + 2.4 x 10⁻¹⁹ J

Energy of Photon = 11.04 x 10⁻¹⁹ J

but,

Energy of Photon = hc/λ

where,

λ = wavelength of light = ?

Therefore,

11.04 x 10⁻¹⁹ J = (6.626 x 10⁻³⁴ J.s)(3 x 10⁸ m/s)/λ

λ = (6.626 x 10⁻³⁴ J.s)(3 x 10⁸ m/s)/(11.04 x 10⁻¹⁹ J)

λ = 1.8 x 10⁻⁷ m = 180 nm

Answer:

Large numbers might create fuse, be confusing and if you miss even one of the zeros it is a very big deal in a situation when you are making a spaceship. Hope this answers your questions :) Merry Christmas. Have fun.

Explanation:

2

Explanation:

for saving space in large numbers

and small numbers for multiplying easily

According to the problem the velocity speed over the entire trip is 0 m/s.

Velocity speed is the rate of change of an object's position over a period of time. It is a vector quantity, meaning it has both magnitude and direction. Velocity speed is typically measured in meters per second (m/s) or kilometers per hour (km/h). The magnitude of velocity speed is the rate at which an object moves, while the direction indicates the path it takes. For example, if an object moves 10 meters in 5 seconds, its velocity speed would be 2 m/s in a certain direction. Velocity speed can also be calculated by dividing the distance traveled by the time taken to travel that distance.

This is because velocity is a measure of displacement over time,
and since the total displacement (from point A to point B and back to point A) is 0 meters,
the velocity speed is also 0 m/s.

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According to the given statement Mrs. Brown's electricity bill for the current month is $5000.00.

To calculate Mrs. Brown's electricity bill for the current month, we need to determine the total number of kilowatt-hours (kWh) she has consumed and apply the corresponding rates.

1. Calculate the electricity usage:

  Current meter reading - Previous meter reading
  20,300 kWh - 17,800 kWh = 2,500 kWh

2. Determine the cost for the first 2000 kWh:

  $1.00/kWh * 2000 kWh = $2000.00

3. Determine the cost for the remaining kWh:

  500 kWh * $3.50/kWh = $1750.00

4. Add the fuel adjustment charge:

  $0.50/kWh * 2500 kWh = $1250.00

5. Calculate the total bill:

  $2000.00 + $1750.00 + $1250.00 = $5000.00


To calculate the electricity bill, we first find the difference between the current and previous meter readings.

In this case, Mrs. Brown used 2,500 kWh.

For the first 2000 kWh, the cost is $1.00 per kWh, resulting in a charge of $2000.00.

For the remaining 500 kWh, the cost is $3.50 per kWh, totaling $1750.00.

Additionally, a fuel adjustment charge of $0.50 per kWh is added to the bill. This amounts to $1250.00.

Finally, we add up all the charges to get the total bill, which is $5000.00.

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Answer:

2.5705594546378 mol

Explanation:

Used this calculator

http://www.endmemo.com/chem/mmass.php

Answer:

-1+√251/5 s

Explanation:

The most appropriate equation of motion for this question is; s= ut+(at^2)/2

t=-1+√251/5 s

Answer:

B is the best option but A is also good it's up to you but I'm leaning more towards B

Answer:

momentum after=momentum before

momentum before=Mbullet*Vbullet

Momentum after=(.49+.01)10=Mb*Vb

solve for V bullet

Answer:

B

Explanation:

If you really read and dissect every other question they do not make sense

The acceleration of a satellite is dependent on the strength of the gravitational field it is experiencing. The stronger the gravitational field, the greater the acceleration of the satellite.

The gravitational force between two objects is directly proportional to their masses and inversely proportional to the square of the distance between them. Therefore, as a satellite orbits around a planet, the gravitational force acting on it changes based on its distance from the planet.
At the closest point of its orbit, the satellite experiences the strongest gravitational force, causing it to accelerate towards the planet. As it moves away from the planet, the gravitational force decreases, causing a decrease in acceleration. At the furthest point of its orbit, the gravitational force is at its weakest and the satellite experiences the least acceleration. This relationship between acceleration and the strength of the gravitational field is essential for understanding the mechanics of orbiting satellites.

The satellite's acceleration is equal to the gravitational field strength experienced by the satellite.
1. A satellite in orbit experiences a force due to Earth's gravity, which pulls it towards the Earth's center.
2. This force causes the satellite to accelerate towards the Earth, resulting in a curved path or orbit around the Earth.
3. According to Newton's second law of motion, the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. Therefore, acceleration (a) can be calculated as a = F/m, where F is the gravitational force and m is the mass of the satellite.
4. The gravitational field strength (g) at a particular location is defined as the force per unit mass acting on an object due to gravity. Hence, g = F/m.
5. Comparing the expressions for acceleration (a) and gravitational field strength (g), we see that they are equal: a = g.

In conclusion, the satellite's acceleration is equal to the gravitational field strength experienced by the satellite.

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The rating of a branch circuit is determined by its ampacity.

Ampacity is the maximum amount of electric current that a conductor or device can carry without overheating and damaging the insulation or conductors. The rating of a branch circuit is the maximum current that the circuit can safely carry without exceeding its capacity or causing damage.

This rating is typically determined by the size of the wire and the protective devices, such as fuses or circuit breakers, that are installed to prevent overloads and short circuits. Branch circuits are commonly used to power individual rooms or devices, such as outlets, lighting fixtures, and appliances. The ampacity of the branch circuit must be carefully calculated to ensure that it can handle the expected load and prevent the risk of electrical hazards.

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The rating of a branch circuit is determined by its design capacity to safely carry current expressed in terms of amperes. This prevents overheating or fire hazards. The total current flowing into a junction is equal to the total current flowing out, according to Kirchhoff's junction rule.

The rating of a branch circuit is chiefly determined by the amount of current it's designed to safely carry without overheating or causing a fire. This value is typically found in terms of amperes (or amps), which represent the unit of electrical current. An electrical appliance's requirement for operating is usually expressed in amps. Circuit breakers and fuses are also rated in amps and are designed to interrupt the circuit if the current exceeds their rated value for a specific period.

For measuring the current flowing through a branch, we use an instrument called an ammeter. It needs to be placed in series with the branch circuit, and it has a small resistance to limit its effect on the circuit.

In applications of Kirchhoff's first rule (the junction rule), each branch's current is labelled, and the direction it's going must be determined. However, the total current or the sum of the electric current flowing into and out of the junction (or point in the circuit where conductors meet) must be equal, according to the junction rule.

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Answer:

Impulse=18Ns

Explanation:

Impulse= force*time

Plug in known values...

I=6N*3s

I=18Ns

The impulse  produced by the force is 18Ns

What is Impulse?

Given:

F= 6.0N

t= 3.0 s

On substituting these values in the above formula:

\(I=6N*3s\\ \\I=18Ns\)

Thus, The impulse  produced by the force is 18 Ns.

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