You have 2 oppositely charged objects. How would you position them to give them the lowest PE?

To analyze the given scenario, we can use the formula for the fringe separation in a double-slit interference pattern:

Δy = (λL) / d

Where:

Δy is the fringe separation

λ is the wavelength of light

L is the distance from the slits to the screen

d is the distance between the slits

Given:

Wavelength (λ) = 460 nm = 460 × 10^(-9) m

Distance from slits to screen (L) = 1.85 m

Fringe separation (Δy) = 3.96 mm = 3.96 × 10^(-3) m

We can rearrange the formula to solve for the distance between the slits (d):

d = (λL) / Δy

Substituting the values:

d = (460 × 10^(-9) m) × (1.85 m) / (3.96 × 10^(-3) m)

Simplifying the equation, we get:

d ≈ 2.14 × 10^(-3) m

Therefore, the distance between the slits is approximately 2.14 × 10^(-3) meters.

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Answer:

Explanation:

The potential energy of a body can be found by using the formula

PE = mgh

where

m is the mass

h is the height

g is the acceleration due to gravity which is 9.8 m/s²

From the question we have

PE = 90 × 9.8 × 12 = 10,584

We have the final answer as

Hope this helps you

Given that the current in the hairdryer is I = 12 A.

The voltage applied is V = 120 V

We have to find electric resistance.

Let the resistance be denoted by R.

According to Ohm's law,

The formula to calculate resistance using Ohm's law is

Substituting the values, the electric resistance will be

Thus, the electric resistance of the hairdryer circuit is 10 ohm.

Answer:

The answer is

Explanation:

The mass of an object given it's momentum and velocity / speed can be found by using the formula

\(m = \frac{p}{v} \\ \)

where

m is the mass

p is the momentum

v is the speed or velocity

From the question

p = 280 kg/ms

v = 10 m/s

The mass of the object is

\(m = \frac{280}{10} = 28 \\ \)

We have the final answer as

Hope this helps you

The current running through the speakers is 2.5A

Electric power is the rate at which electrical energy is transferred by an electric circuit. The SI unit of power is the watt or joule per second.

Power can also be defined as the product of the voltage and current.

therefore power = VI

The total power of the two speakers = 15+15

= 30W

30W = 12 I

divide both sides by 12

I = 30/12

I = 2.5A

Therefore the current that will flow in the two speakers is 2.5A

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The answer response are:

a. plastic wrap - transparent

b. wax paper - translucent

c. wedding veil - sheer/transparent

d. thick rug - opaque

e. textbook - opaque

f. window - transparent

a. Plastic wrap is a thin, clear material that allows light to pass through it, making it possible to see objects behind it. Therefore it's transparent.

b. Wax paper is a thin, translucent material that allows some light to pass through it, making it possible to see through it, but not clearly as in the case of transparent materials. The objects behind it can be seen but appear somewhat cloudy or blurry.

Hence c. A wedding veil is a thin, sheer material that is often made of tulle or other lightweight fabrics. This makes it transparent, allowing light to pass through it easily and making it possible to see objects behind it.

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To heat a 1200 sq ft house with natural gas, we spend a total of $14.40 per day.

How much it costs to heat a 1200 sq ft house with natural gas relies on a number of things, such as where the house is, how well it heats, and how much natural gas costs in that area.

Sources. says that the cost per square foot for natural gas with 40 BTU is $0.00049836 per square foot per hour. If our house is 1200 square feet, we multiply this cost by 1200 and get $0.60 per hour to heat it. That means that to heat a 1200 sq ft house with natural gas, we spend a total of $14.40 per day.

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Answer:

Heat flows from the reactor to the water

Explanation:

Good luck! :)

The statement that correctly describes the direction of conventional current in the circuit is : ( C ) current is directed from A to B to C to D

conventioanl current is simply the flow of protons from the positive terminal of the voltage source ( battery ) to the negative terminal of the battery. Also conventional current is the charge transferred in a given direction per unit time. for a conventional current the charge carrier is irrelevant.

Hence we can conclude that the direction of conventional current in the circuit is : current is directed from A to B to C to D.

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Attached below is the missing part of the question

Answer:

The volume of the block can be found by using the formula:

Density = Mass / Volume

Rearranging the formula to solve for volume:

Volume = Mass / Density

So,

Volume = 12.4 g / 45.02 g/cm^3

= 0.2747 cm^3

Answer:

39.2

Explanation:

Answer:

.243 g

Explanation:

cm * cm * cm = cm^3

  put in the numbers   10 * 5 * .0018 = .09 cm^3

      .09  cm^3  *  2.7 g/cm^3 = .243 g

The mass of the piece of aluminum foil is 0.243 g.

Density of a substance is defined as the mass per unit volume of the substance.

Here,

Density of aluminum, ρ = 2.7 g/cm³

Volume of the aluminum foil, V = 10 x 5 x 0.0018

V = 0.09 cm³

The equation for density of a substance is given by,

ρ = m/V

Therefore mass of the aluminum foil,

m = ρV

m = 2.7 x 0.09

m = 0.243 g

Hence,

The mass of the piece of aluminum foil is 0.243 g.

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Part A :The position of the particle in vector form is given by\(r⃗ (t)=R[cos(ωt)i^+sin(ωt)j^]\)where R is the radius of the circle and ω is the angular velocity.The velocity of the particle is given by taking the derivative of the position vector with respect to time.

Taking derivative with respect to time on both side we get \(v⃗ (t)=d/dt R[cos(ωt)i^+sin(ωt)j^]= R[-in(ωt)ωi^+cos(ωt)ωj^]=ωR[-sin(ωt)i^+cos(ωt)j^]v⃗ (t)=ωR[-sin(ωt)i^+cos(ωt)j^]\)Thus the velocity of the mass at a time t is given by \(v⃗ (t)=ωR[-sin(ωt)i^+cos(ωt)j^]\).

Part B :

We have to find the velocity at time -t. The velocity of the particle is given by taking the derivative of the position vector with respect to time. Thus the velocity of the mass at a time -t is given by \(v⃗ (-t) = ωR[sin(ωt)i^ - cos(ωt)j^]\)

\(v⃗ (-t) = ωR[sin(ωt)i^ - cos(ωt)j^]\)Part C :

The average acceleration of the particle can be computed using the formulaa = \(Δv/Δt\)The velocity at time t is given by\(v⃗ (t) = ωR[-sin(ωt)i^+cos(ωt)j^]\)

The velocity at time -t is given by \(v⃗ (-t) = ωR[sin(ωt)i^ - cos(ωt)j^]\)

\(v⃗ (-t) = ωR[sin(ωt)i^ - cos(ωt)j^]\)The change in velocity over the interval from -t to t is therefore

\(Δv = v(t) - v(-t) = 2ωR[sin(ωt)i^ + cos(ωt)j^]\)

The time interval over which this change occurs is\(Δt = 2t\)Thus the average acceleration of the particle is given by a = \(Δv/Δt = ω^2R[sin(ωt)i^ + cos(ωt)j^]/t\)

\(a = Δv/Δt = ω^2R[sin(ωt)i^ + cos(ωt)j^]/t\)

The acceleration can be expressed in terms of R, ω, t, and the unit vectors \(i^ and j^\) as \(a = ω^2R[sin(ωt)i^ + cos(ωt)j^]/t\).

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Answer:

HLW ITS JESS BREGOLI

YOUR ANSWER IS HERE

At different points on Earth's surface, the free fall acceleration ranges from 9.764 m/s2 to 9.834 m/s2[2] depending on altitude and latitude, with a conventional standard value of exactly 9.80665 m/s2 (approximately 32.17405 ft/s2). Locations of significant variation from this value are known as gravity anomalies.

Explanation:

HOPE IT MAY HELP YOU !!

Answer:

100

Explanation:

cause power equal to work over time

Answer:

D

Explanation:

Insulator is like rubber, it cant physically hold heat well

Answer:

Explanation:

Current refer to the rate at which electric charge flow or run or move in an electric circuit . It is measured in Ampere or coulumb per second.

The SI unit is Ampere and it is represented by A. It is a scalar quantity.

1 Ampere is the current that will produce an attractive force of 2 × 10^-7 Newton per meter of length between two parallel conductors.

Moving from the element with atomic number 10 to atomic number 11 on the periodic table changes observed are :

Reactivity increases,

Sodium has more shell,

Valence electrons in sodium are farther from the nucleus,

Atomic number 11 does not have a full electron shell

In increasing order of atomic number, the elements are listed. The amount of protons in an atom's nucleus is indicated by its atomic number. An element's identity is determined by its proton count. The number of protons determines an element's identity.

The indirect relativistic effect amplifies the decreases in the binding energies of the valence d and f electrons as they move down the periodic table. As a result, the d electrons in the heavier coinage metals become more chemically active, leading to higher oxidation states in these elements.

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The energy lost to other forms like sound and heat, is mv². If the velocity of the blocks after collision is zero.

Mass of both the block, m₁ = m₂ = m

Velocity of both the block, v₁ = v₂ = v

Velocity after collision = 0

Combined mass after collision, = m+m = 2m

Initial energy of 1 block, = 0.5mv²

Initial energy of 2 block, = 0.5mv²

Total energy before collision = 0.5mv² + 0.5mv² = mv²

Energy after collision, = (2m)×0² = 0

So energy lost, = mv² - 0 = mv²

This energy converts into thermal energy, and sound energy.

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A steadily rising pressure usually indicates clearing weather or fair weather.

In general, changes in barometric pressure can be used to predict changes in weather conditions. A rising barometric pressure usually indicates that the weather is clearing up or will remain fair, while a falling barometric pressure often indicates that stormy weather is on the way.

A steadily rising pressure indicates that the air pressure is increasing and the weather is likely to improve or remain stable. In contrast, a steadily falling pressure indicates that the air pressure is decreasing, which could indicate an approaching storm or other atmospheric disturbance. Fluctuating pressure and constant pressure are not necessarily indicative of any specific weather conditions.

So, the correct answer is a. steadily rising.

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A steadily rising pressure usually indicates clearing weather or fair weather.

The pressure is an important factor in predicting weather conditions.

A barometer is used to measure atmospheric pressure and it is typically reported in inches of mercury or millibars.

Changes in atmospheric pressure can provide important clues about the weather conditions that are expected to occur in the near future.

When the atmospheric pressure is steadily rising, it typically indicates that clearing weather or fair weather is on the way.

This is because high pressure systems generally bring with them clear skies and dry air, which can make for pleasant weather conditions.

In contrast, when the atmospheric pressure is steadily falling, it is typically an indication that stormy weather is on the way.

This is because low pressure systems generally bring with them cloudy skies and moist air, which can lead to precipitation and thunderstorms.

A constant pressure may indicate that the current weather conditions are likely to persist for a while.

However, it is important to note that changes in wind patterns or temperature can still affect the weather, even if the pressure remains constant.

Fluctuating pressure can be an indication that weather conditions are likely to change rapidly.

For example, if the pressure is dropping quickly, it may indicate that a storm is approaching.

In summary, understanding the relationship between atmospheric pressure and weather conditions can be helpful in predicting the weather.

A steadily rising pressure usually indicates clearing weather or fair weather, while a steadily falling pressure usually indicates stormy weather.

A constant pressure may indicate that the current weather conditions are likely to persist, while fluctuating pressure can be an indication that weather conditions are likely to change rapidly.

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Answer:

The blue one.

Explanation:

Im pretty sure its because the blue is hotter.

840 Newtons of force will be applied to the man by the elevator when he is standing in it and weight 800 Newtons. If the elevator climbs with a 0.5 m/s acceleration, then 2.

In mechanics, acceleration is the rate at which an object's velocity with respect to time changes. The vector quantity of accelerations (in that they have magnitude and direction). The direction of the net force imposed on an object determines its acceleration in relation to that force. A force in physics is an effect that has the power to alter an object's motion. A force can cause an object with mass to change its velocity, or accelerate (for example, moving from a condition of rest).

W = 800 N = Man's Weight

A = 0.5 m/sec2 of upward acceleration

W = mg = 10m = 800 N, the block's weight

W' = mgeff

W/W1 = 10.5/m, the block's weight with an upward acceleration.

W1 = 10.5/10 *800 = 840N

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The complete question is -

A man weighing 800 Newtons is standing in an elevator. If the elevator rises with an acceleration of 0.5 meters per second^2, the force exerted by the elevator on the man will be answer choices400 N840 N1200 N1000 N

The scientist would look out for patterns and connections. Option D

We define data as a set of facts that we can obtain from a study. We know that scientists are always engages in some kind of study and the reason for the study is that they want to obtain the reasons for certain occurrence.

It is common that when we present a professional scientist with a data set, what first comes to mind is that we need to find the patterns that are in the data set as well as the connections.

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Answer:

B

Explanation:

Answer:

x = - 8 atau 3

Explanation:

3ˣ² × 3⁵ˣ = 3²⁴

Penarikan:

Mᵃ × Mᵇ = Mᵃ⁺ᵇ

3ˣ² × 3⁵ˣ = 3ˣ²⁺⁵ˣ

Karena itu

3ˣ² × 3⁵ˣ = 3²⁴

3ˣ²⁺⁵ˣ = 3²⁴

x² + 5x = 24

Mengatur kembali

x² + 5x - 24 = 0

Pemecahan dengan faktorisasi

x² - 3x + 8x - 24 = 0

x (x - 3) + 8 (x - 3) = 0

(x + 8) (x - 3) = 0

x + 8 = 0 atau x - 3 = 0

x = - 8 atau x = 3

Karena itu,

x = - 8 atau 3

Answer:

Explanation:

From newton's equation of motion of uniform acceleration

v = u + at

where v is final velocity , u is initial velocity , a is acceleration and time is t .

putting the values

v  =  0 + .5 x 3 x 60  ( time in second = 3 x 60 s )

= 90 m /s

So  , final velocity is 90 m /s .

Answer:

the energy produced in a body due to its motion is kinetic energy.

energy produced in a body due to its position is potential energy.

Explanation:

kinetic energy is the energy possessed by a body in motion

Potential energy is the energy possessed by a body by virtue of its position with respect to a reference level

Assuming the radiation from a heat lamp is monochromatic with a wavelength of 1.5 μm (micrometers), we can analyze its characteristics based on this information.

Monochromatic radiation refers to electromagnetic waves that have a single wavelength. In this case, the heat lamp emits radiation with a specific wavelength of 1.5 μm (micrometers), which corresponds to the infrared region of the electromagnetic spectrum. The specific wavelength of 1.5 μm indicates the color or frequency of the radiation emitted by the heat lamp. Infrared radiation with a wavelength of 1.5 μm is associated with longer wavelengths and lower frequencies than visible light. It falls within the range of the infrared spectrum that is commonly associated with heat radiation. Understanding the monochromatic nature and wavelength of the heat lamp's radiation allows us to analyze its properties and interactions with other materials or surfaces.

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Answer:

Resistencia = 12.5 Ohmios

Explanation:

Dados los siguientes parámetros;

Voltaje = 3.5 Volts

Corriente = 0.28 Amps

Para encontrar el resistencia;

La ley de Ohm establece que a temperatura constante, la corriente que fluye en un circuito eléctrico es directamente proporcional al voltaje aplicado en los dos puntos e inversamente proporcional a la resistencia en el circuito eléctrico.

Matemáticamente, La ley de Ohm viene dada por la fórmula;

Voltaje = corriente * resistencia

Resistencia = voltaje/corriente

Resistencia = 3.5/0.28

Resistencia = 12.5 Ohmios

Por tanto, la resistencia del filamento de una linterna de bolsillo es de 12,5 ohmios.

When Car A moving at 30 m/s to the north and Car B moving at 15 m/s to the south collide Car A applies a greater force on car B than car B applies on car A.

p = m v

p = Momentum

m = Mass

v = Velocity

For car A,

m = 1000 kg

v = 30 m / s

p = 1000 * 30

p = 30000 kg m / s

For car B,

m = 1000 kg

v = 15 m / s

p = 1000 * 15

p = 15000 kg m / s

F = dp / dt

Force can also said as the rate of change of momentum. Since the momentum of car A is higher than that of car B, the force applied by car A on car B will he higher

Therefore, car A applies a greater force on car B than car B applies on car A.

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