an ideal voltmeter is connected to a 2 ohm resister and a battery what is the current in the 2 ohm resistor

If a person weighs 600 N on Earth, they would weigh less on a planet with a larger radius. The weight of an object is determined by the force of gravity acting on it, and the force of gravity is directly proportional to the mass of the object and inversely proportional to the square of the distance between the object and the center of the planet. As the radius of the planet increases, the distance between the object and the center of the planet increases, which would decrease the force of gravity acting on the object and therefore decrease the object's weight.

It's worth mentioning that the mass of the person would be the same, so their weight would change due to the gravitational force.

46,756,790 mg = 46.75679 kg

5.6 hours = 20,160 seconds

13.5 cm = 5.315 inches

47 °F = 8.333 °C

To convert milligrams (mg) to kilograms (kg), we divide the value by 1,000,000 (since there are 1,000,000 milligrams in a kilogram). Therefore, 46,756,790 mg divided by 1,000,000 equals 46.75679 kg.

To convert hours to seconds, we multiply the value by 3,600 (since there are 3,600 seconds in an hour). Therefore, 5.6 hours multiplied by 3,600 equals 20,160 seconds.

To convert centimeters (cm) to inches, we divide the value by 2.54 (since there are 2.54 centimeters in an inch). Therefore, 13.5 cm divided by 2.54 equals 5.315 inches.

To convert Fahrenheit (°F) to Celsius (°C), we use the formula °C = 5/9 (°F - 32). Plugging in the value 47 °F into the formula, we get °C = 5/9 (47 - 32), which simplifies to °C = 5/9 (15) = 75/9 ≈ 8.333 °C.

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Answer: Developed nations are generally categorized as countries that are more industrialized and have higher per capita income levels. ... Developing nations are generally categorized as countries that are less industrialized and have lower per capita income levels.

Explanation: this is the source that i used to find the answer:

https://study.com/academy/lesson/economic-inequality-differences-in-developed-and-developing-nations.html

When a 1.2 kg book is lying on a 0.77 mm -high table and place it on a bookshelf 2.0 mm  work done by gravity is 14.39 joule.

mass=1.2

h1=0.77mm

h2=2.0 mm

g=9.8m/s^2

work done= mgh2-h1

work done=1.2×9.8(2.0-0.77)

work done=14.39 joule

An external force must focus at least a portion of its energy in the direction of the displacement when moving an object over a distance. In physics, this is referred to as work. Work can be calculated if the force acting along the path is constant by multiplying the force's component by the length of the path. Mathematically, the work W is defined as the sum of the force f and the length h, or W = mgh. If the force is applied at an angle to the displacement, the work is W = mas.

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Esteem needs are not related to basic needs, such as food, water, and shelter, but they are higher needs that must be satisfied. Therefore, the right answer is "None of these is correct basic needs."

Esteem needs are concerned with people's self-image and how they are viewed by others. Esteem needs involve feeling accomplished, respected, and acknowledged. Esteem needs are split into two types, inner and external esteem.Inner esteem is determined by self-esteem, which is how a person regards themselves. Inner esteem is related to a person's sense of worth and value.

It is a mental state in which a person feels good about themselves and their abilities. To have a positive sense of self-esteem, people must feel valued and respected for who they are. It aids in the development of self-confidence and self-worth. It is the starting point for creating meaningful friendships and relationships.External esteem, on the other hand, is the perception of the individual by others.

When we say "esteem" in a social context, we usually mean what others think of us. Esteem needs are not related to basic needs, such as food, water, and shelter, but they are higher needs that must be satisfied. Therefore, the right answer is "None of these is correct basic needs."

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The constant of proportionality (K) for the variation of electrical resistance of the wire is approximately 1.0588.

To find the constant of proportionality (K) for the variation of electrical resistance of a wire, we need to compare the lengths and resistances of two wires.

Let's denote:

Length of the first wire: L₁ = 255 feet

Resistance of the first wire: R₁ = 2

Length of the second wire: L₂ = 135 feet

Resistance of the second wire: R₂ = ?

According to the problem, the resistance of the second wire (R₂) is proportional to the length of the wire (L₂). We can set up the proportionality equation as follows:

R₁ / L₁ = R₂ / L₂

Substituting the given values:

2 / 255 = R₂ / 135

To find the constant of proportionality (K), we rearrange the equation:

R₂ = (2 / 255) × 135

Simplifying the calculation:

R₂ = 1.05882352941

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Mars and Europa are two solar system bodies that are considered possible habitats for earth-like life. This is because: both plants have been speculated to have liquid water on them.

Recall that there can be no life form without water.

Europa, sometimes known as Jupiter II, is the smallest of Jupiter's four Galilean moons and the sixth-closest to the planet of all the planet's 80 known moons.

It is also the Solar System's sixth-largest moon.

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Scientists use the arrival times of seismic waves at multiple stations, along with amplitude data, to triangulate the location of an earthquake epicenter.

To determine the location of an earthquake, scientists use the data recorded at seismic stations. The seismic stations are equipped with seismometers that detect and record seismic waves generated by the earthquake. These waves travel through the Earth's interior and arrive at different times at various seismic stations.To locate the epicenter of the earthquake, scientists analyze the time differences between the arrivals of primary (P) waves and secondary (S) waves at multiple stations. P waves are faster and arrive first, followed by slower S waves. By comparing the time interval between the arrival of P and S waves at different stations, scientists can calculate the distance of each station from the earthquake epicenter.

Using the distances from at least three seismic stations, scientists plot circles around each station on a map. These circles represent the potential distance between the station and the epicenter. The intersection of the circles determines the most likely location of the earthquake epicenter. This method is known as the "triangulation" technique.Additionally, the amplitude of the recorded seismic waves provides information about the earthquake's magnitude. By analyzing the amplitude data from different stations, scientists can estimate the earthquake's size or magnitude.

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Note- Sorry The diagram cannot be added .

The volume of the jet fuel with a mass of 97.5 kg and a density of 0.804 g/cm³ is approximately 121.28 liters.

To calculate the volume of the jet fuel, we can use the formula for density:

density (ρ) = mass (m) / volume (v)

Rearranging the formula to solve for volume, we have:

volume (v) = mass (m) / density (ρ)

The mass of the jet fuel is 97.5 kg and the density is 0.804 g/cm³, we need to convert the density to the appropriate units. Since the given mass is in kilograms, we'll convert the density to kg/cm³ as well.

0.804 g/cm³ = 0.804 × 10³ kg/m³ = 804 kg/m³

Now we can substitute the values into the formula:

volume (v) = 97.5 kg / 804 kg/m³

Simplifying the equation:

volume (v) = 0.12128 m³

To convert the volume to liters, we multiply by 1000:

volume (v) = 0.12128 m³ × 1000 = 121.28 liters

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Using the wave equation, the velocity of the wave on the string can be calculated as 55.0 m/s. Using this, the tension needed to tune the string can be calculated as 1,101 N.

The frequency of a vibrating string is directly proportional to the tension in the string and inversely proportional to its length. This means that as tension increases, the frequency of the string also increases, while a decrease in length will result in a higher frequency as well. The relationship between tension, frequency, and length of a vibrating string is described by the wave equation, which states that the speed of the wave (and hence the frequency) is equal to the square root of the tension divided by the linear density of the string, multiplied by the reciprocal of the length.

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Answer:

melissa drove with 60 miles per hour

Explanation:

240:6=60

The action being performed in the photograph has to do with checking tire pressure with an electronic gauge. Option B.

Checking tire pressure is important for maintaining the safety and performance of your vehicle. There are two common ways to check tire pressure:

A manual gauge requires inserting a probe into the tire valve stem and reading the pressure from a dial. An electronic gauge uses a digital display to show the pressure as shown in the photograph.

Both methods are effective, but it is important to ensure that the gauge is accurate and properly calibrated to get an accurate reading.

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Answer:

Help with what

Explanation:

Answer: 8.6m/s

Explanation:From KE=1/2mv^2

In order to make v the subject of the formula we divide both sides by 1/2m. Thus V^2 will be left alone on the RHS. But we are looking for v and not v^2. Thus we find the square root of KE1/2m

Meaning V= sqrt[3000÷1/2 of 80]

=sqrt[3000÷40]

=sqrt(75)

=8.6m/s

Answer:

heat

Explanation:

Answer:

To calculate speed, all you have to do is divide distance by time.

Explanation:

Velocity is just speed in a particular direction. For example, if in 3 hours you ran 6 kilometers west, your velocity was 6 km/3 hours = 2 km/hour west.

Answer:

Enter an equation of a chemical reaction and click 'Balance'. The answer will appear below

Always use the upper case for the first character in the element name and the lower case for the second character.

To enter an electron into a chemical equation use {-} or e

To enter an ion specify charge after the compound in curly brackets: {+3} or {3+} or {3}. Example: Fe{3+} + I{-} =...

Substitute immutable groups in chemical compounds to avoid ambiguity. For instance equation C6H5C2H5 + O2 = C6H5OH + CO2...

Explanation:

Answer:

There are 6.02*10^23 atoms in each mole (Avagadro no.) That is x moles * avagadro no. According to that, in 23 grams of sodium we have 6.02*10^23 atoms of Na.

Explanation:

Answer:

I will assume that “maximum force” implies the constant application of power  P  = 400 hp (international) to accelerating the vehicle. The force will therefore vary with speed as the vehicle accelerates. I will also assume that all engine energy goes into accelerating the vehicle, rather than rotating elements like its wheels.

In this case the 400 hp (equivalent to 298,280 watts) is applied for time  t  = 2 seconds. Therefore the kinetic energy of the vehicle is increased by:

ΔKE=Pt=(298,280)(2)=596,560  joules.

The initial kinetic energy is:

KEinitial=12mv2

=(0.5)(1600)(82)=51,200  joules.

Therefore final kinetic energy is:

KEfinal=KEinitial+ΔKE

=51,200+596,560

=647,760  joules

Therefore final vehicle velocity can be found:

KEfinal=12mv2

v=2KEfinalm−−−−−−−−√

=(2)(647,760)1600−−−−−−−−−−−√

= 28.455 m/s

Explanation:

Answer: In a battery, voltage determines how strongly electrons are pushed through a circuit, much like pressure determines how strongly water is pushed through a hose. Most AAA, AA, C, and D batteries are around 1.5 volts. Imagine the batteries shown in the diagram are rated at 1.5 volts and 500 milliamp-hours.

Explanation: Today "AA" is frequently used as a size designation, irrespective of the battery's electrochemical system. The main numbers used for the most common NiMH and NiCad battery

To produce a voltage of 1.5 V with a Voltaic pile, we would need either two zinc pennies and one copper nickel or one zinc penny and three copper nickels.

A Voltaic pile is an early type of battery that consists of alternating discs of two different metals (such as copper and zinc) separated by cardboard soaked in an electrolyte solution. Each pair of metal discs and cardboard makes up one cell of the battery, and the voltage of the battery depends on the number of cells connected in series.

To calculate how many pennies and nickels would be needed to produce a voltage of 1.5 V, we need to consider the voltage generated by each cell and the number of cells required to achieve a total voltage of 1.5 V.

One zinc penny produces approximately 1.1 volts, and one copper nickel produces approximately 0.5 volts. To get a total voltage of 1.5 V, we could arrange one zinc penny and one copper nickel in series, but this combination would produce a voltage of only 1.6 V (1.1 V + 0.5 V).

To get as close to 1.5 V as possible, we could use two zinc pennies and one copper nickel in series, which would produce a voltage of 1.7 V (1.1 V + 0.6 V).

Alternatively, we could use one zinc penny and three copper nickels in series, which would also produce a voltage of 1.5 V (1.1 V + 0.4 V + 0.5 V + 0.5 V).

Therefore, To produce a voltage of 1.5 V with a Voltaic pile, we need either two zinc pennies and one copper nickel or one zinc penny and three copper nickels.

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For 0. 250 moles of gas in a piston, the change in internal energy is +131J. While 240 J of heat are supplied, the gas produces 109 J of work. The energy is a thermodynamic system's internal energy.

With the exception of the energies that are determined by how the system interacts with its environment, the system as a whole's kinetic energy of motion and potential energy with respect to external force fields are all that are contained within it. A typical kind of skin development are moles. Clusters of pigment-forming cells are what give them their common appearance as small, dark brown dots (melanocytes).

Internal energy change for U = Q+W is 240+(-109) = +131J.

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Given :

A farmer is pushing a 75 kg plow across a field with 700 N at an angle of 35 degrees above the ground.

The kinetic frictional force between the plow and the field is 250 N.

To Find :

The Normal Force from the ground onto the plow.

The acceleration of the plow.

Solution :

Normal force = mg + F sin Ф

= 75×10 + 700 × sin 35°

= 1151.50 N

Now,

ma = 700 cos Ф - 250

75×a = 323.4

a = 4.31 m/s²

Hence, this is the required solution.

Answer:Let m =  mass of asteroid y.Because asteroid y has three times the mass of asteroid z, the mass of asteroid z is m/3.Given:F = 6.2x10⁸ Nd = 2100 km = 2.1x10⁶ mNote thatG = 6.67408x10⁻¹¹ m³/(kg-s²)The gravitational force between the asteroids isF = (G*m*(m/3))/d² = (Gm²)/(3d²)orm² = (3Fd²)/G     = [(3*(6.2x10⁸ N)*(2.1x10⁶ m)²]/(6.67408x10⁻¹¹ m³/(kg-s²))    = 1.229x10³² kg²m = 1.1086x10¹⁶ kg = 1.1x10¹⁶ kg (approx)Answer: 1.1x10¹⁶ kg

Explanation:

The injuries are commonly referred to as pressure injuries or pressure ulcers and are more likely to occur in areas of the body where the skin is in contact with a surface for a prolonged period of time, such as the buttocks, hips, heels, and elbows.

If an area of skin is subject to pressure or friction, it can result in a number of skin injuries. These injuries can include:

Redness: The skin in the affected area may become red due to increased blood flow to the area.

Blisters: Prolonged pressure or friction can cause fluid to build up under the skin, resulting in blisters.

Calluses: If the pressure or friction is chronic, the skin may respond by thickening and hardening in the affected area, forming a callus.

Ulcers: If the pressure or friction is severe, it can cause the skin to break down, resulting in an open sore or ulcer.

Abrasions: Friction can also cause the top layer of skin to become worn away, resulting in an abrasion.

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The theory describes electrons in experiments, but the electron cloud model theory has limitations in its ability to provide precise information about the exact position and trajectory of electrons in an atom.

This is due to the inherent probabilistic nature of electron behavior, as described by quantum mechanics. The electron cloud model represents the probability distribution of finding electrons in certain regions around the nucleus but does not provide specific information about the precise paths or orbits they follow.

On the other hand, a law about electrons would typically focus on the observed behavior or relationships of electrons rather than attempting to describe their precise positions or trajectories.

Laws, such as the law of conservation of charge or the law of electric current, provide general principles or rules that govern electron behavior within a given context. They are empirical observations derived from experimental evidence rather than detailed theoretical models.

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Displacement is a vector, whereas distance is not, and this is the difference between distance and displacement.

How much ground an object has covered while moving is measured by distance's scalar property. An object's total change in position is referred to as displacement, a vector variable that measures "how far out of place an object is." The distance can be calculated using a curved path. Measurements of displacement are only possible along straight lines. Distance is path-dependent, which means it varies according to the path taken. Displacement is independent of the path; it only depends on the body's initial and final positions. A position only takes up space and has no direction. The difference between points in space that occupy more than one point in space and have a magnitude and direction is known as a displacement vector.

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Answer:

B. A metal image of gas molecules as tiny balls

Answer:

B. A mental image of gas molecules as tiny balls

Answer:

b. passes through the principal focal point.

Explanation:

Light wave can be defined as an electromagnetic wave that do not require a medium of propagation for it to travel through a vacuum of space where no particles exist.

A lens can be defined as a transparent optical instrument that refracts rays of light to produce a real image.

Basically, there are two (2) main types of lens and these includes;

I. Diverging (concave) lens.

II. Converging (convex) lens.

A converging lens refers to a type of lens that typically causes parallel rays of light with respect to its principal axis to come to a focus (converge) and form a real image. This type of lens is usually thin at the lower and upper edges and thick across the middle.

For a converging lens, a ray arriving parallel to the optic axis passes through the principal focal point.

The correct option is b. passes through the principal focal point.

The following information should be considered:

Basically, there are two (2) main types of lens:

A converging lens refers to a type of lens that typically causes parallel rays of light with respect to its principal axis to come to a focus (converge) and form a real image.

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