Solve for total Current in the circuit shown below. Round to 3 decimal places. 50 v batter R1 is 1500 Ohms and R2 is 470 Ohms.

The answer option which is an example of the law of multiple proportions is: B) Two different compounds formed from carbon and oxygen have the following mass ratios: 1.33 g O: 1 g C and 2.66 g O: 1 g C.

The Law of Multiple Proportions is also referred to as Dalton's Law and it states that when two chemical elements combine to form more than one chemical compound, the masses (weights) of one chemical element that combine with a fixed mass (weight) of the other chemical element will always be in a ratio of small whole numbers.

According to the Law of Multiple Proportions, when two chemical elements combine to form two different chemical compound, the masses (weights) of one chemical element that combine with 1 gram of the other chemical element can be expressed as a ratio of small whole numbers.

For example, carbon and oxygen react to form either carbon monoxide and carbon dioxide.

Carbon monoxide (CO):

12 grams of C = 16 grams of O.

1 gram of C = 1.33 gram of O.

Carbon dioxide (\(CO_2\)):

12 gram of C = 32 grams of O.

1 gram of C = 2.66 gram of O.

Ratio of oxygen (O) = 16:32 = 1:2 (Law of Multiple Proportions).

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Your question is lacking the necessary answer options, so I will be adding them here:

A. A sample of chlorine is found to contain three times as much Cl-35 as Cl-37.

B. Two different compounds formed from carbon and oxygen have the following mass ratios: 1.33 g O: 1 g C and 2.66 g O: 1 g C.

C. Two different samples of table salt are found to have the same ratio of sodium to chlorine.

D. The atomic mass of bromine is found to be 79.90 amu.

E. Nitrogen dioxide always has a mass ratio of 2.28 g O: 1 g N.

When vector contain distance and direction it is also known as displacement .

The new force of attraction between the two objects would be 1.78 units.

Force is an influence that causes an object to change its velocity, shape or direction. Forces can be categorized into contact forces and non-contact forces. Contact forces are those that require physical contact between two objects, such as a person pushing a box, while non-contact forces are those that act without physical contact, such as gravity or magnetism. Forces can also be described as either balanced or unbalanced.

The force of attraction between two objects is inversely proportional to the square of the distance between them. This means that if the distance is tripled, then the force of attraction will be reduced to one ninth of its original value.Therefore, the new force of attraction between the two objects is 16/9 = 1.78 units.

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Given:

The applied force is,

The mass of the object is,

The constant velocity of the object is,

To find:

The coefficient of friction between the object and the surface

Explanation:

The object is moving with a constant velocity which means the object is under equilibrium. So, the applied force is equal to the frictional force on the object.

If the coefficient of friction between the object and the surface is

we can write the frictional force as,

For equilibrium condition,

Hence, the coefficient of friction between the object and the surface is 0.47.

Answer:

She does a work of 689.44 J in the snow.

Explanation:

A force is said to do work when it alters the state of motion of a body. The work of the force on that body will be equivalent to the energy needed to move it.

In other words, Work is a form of energy transmission between bodies. In order to carry out work, a force must be exerted on a body and it must move.

The work is equal to the product of the force times the distance and the cosine of the angle that exists between the direction of the force and the direction that the moving point or object travels:

W= F*d* cos Ф

Work W is measured in joules (J), force is measured in newtons (N), and displacement in meters (m).

In this case:

Replacing:

W= 180 N*5 m* cos 40

Solving:

W= 689.44 J

She does a work of 689.44 J in the snow.

Answer: c. The electric force increases

Explanation:

If the distance between two charged particles decreases, the electric force between them increases.

According to Coulomb's Law, the electric force between two charged particles is directly proportional to the product of their charges and inversely proportional to the square of the distance between them. Mathematically, the equation can be represented as:

F = k * (q1 * q2) / r^2

Where:

F represents the electric force between the particles.

k is the electrostatic constant.

q1 and q2 are the charges of the particles.

r is the distance between the particles.

As the distance (r) between the particles decreases, the denominator of the equation (r^2) becomes smaller, causing the overall electric force (F) to increase. Conversely, if the distance between the charged particles increases, the electric force between them decreases. This inverse relationship between the distance and electric force is a fundamental characteristic of the electrostatic interaction between charged objects.

Answer:

100 N left <--

Explanation:

Answer:

100 to the left

Explanation:

Answer:

V=f×λ

Where,

V is the velocity of the wave measure using m/s.

f is the frequency of the wave measured using Hz.

λ is the wavelength of the wave measured using m.

transform 46 cm in m = 0.46m and there u have it

Explanation:

The media is a powerful influence because it is constantly present around us.

Medium is defined as a means of communication such as radio and television, newspapers, magazines, and the internet that can greatly influence people all around here.

The three types of media are news media, social media, and web media and it is also known as earned media shared media, and owned media. Other forms of modern media are print media, movies, video games, and television, etc.

The influence of mass media can affect many aspects of human life which can include voting, views, and beliefs of people, or changing an individual knowledge of a specific topic due to the provision of false information.

So we can conclude that option B is the right answer.

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You asked about the force exerted on a man weighing 700 N by the elevator floor when the elevator is accelerating upward at 4 m/s². The correct option is B.

To find the force, you can use the formula: F = ma, where F is the force, m is the mass, and a is the acceleration. First, let's find the man's mass: mass (m) = weight (W) / acceleration due to gravity (g), where W = 700 N and g = 9.81 m/s².

m = 700 N / 9.81 m/s² = 71.35 kg

Next, we'll find the force exerted by the elevator floor using F = ma, with m = 71.35 kg and a = 4 m/s².

F = 71.35 kg × 4 m/s² = 285.4 N

The closest answer to 285.4 N is 290 N, so the force exerted on the man by the elevator floor is approximately 290 N.

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Given:

The mass on the table is,

The hanging mass is,

THe coefficient of friction is,

let the acceleration of the whole system is a (for the hanging mass it is downward and for the mass on the table it is rightward). the tension towards The fixed point of the pulley is T.

we can write,

Adding these equations we get,

Substituting the values we get,

Hence the acceleration is 6.66 m/s^2.

The magnitude of the acceleration for both objects is 0.36 m/s².

Acceleration is the name we supply to any system wherein the velocity modifications. for the reason, that velocity is a velocity and a path, there are only methods in order to accelerate: trade your velocity or exchange your path or exchange each.

Acceleration is the fee of alternating of the velocity of an object with recognition to time. Accelerations are vector quantities. The orientation of an object's acceleration is given by means of the orientation of the internet pressure acting on that object.

Uniform acceleration, non-uniform acceleration, and average acceleration are the three varieties of multiplied motions. The term uniform acceleration refers to a motion in which an object travels in an immediate line with an increase in velocity at the same intervals of time.

calculation:-

mass 1 = 43 kg

F₁ = 430 N

mass 2= 40 kg

F₂ = 400 N

Tension = (F₁m₂ + F₂m₁)/ m₁ + m₂

              = (430 × 40 + 400 × 43) / 83

               =34400 /83

               = 414.46 N

a = (F₁ - F₂)/ toatl mass

   = 430 N - 400N / 83

  = 0.36 m/s²

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Answer:

The new speed of the car is 30 m/s.

Hope you could get an idea from here.

Doubt clarification - use comment section.

Answer:

R+h=R and g=GM/R^2

Explanation:

gravitational energy is potential energy stored in an object based on its distance from the Earth

Answer:

B and C

Explanation:

Both B and C should be the answer

Answer:

sequence

Explanation:

sequences are the way in which things are ordered, for example: 1, 2, 3, 4 is a sequence:)

Answer:

H

Explanation:

Answer:

Pacific Ocean and Nazca plates is moving to west

Explanation:

beacause if they move to west they will move to the left

The statement B is true regarding resistors in series: the current through each resistor is the same.

When resistors are connected in series, the current flowing through the circuit is the same throughout. This means that the statement B, "the current through each resistor is the same," is true.

To understand why this is the case, let's consider the behavior of resistors in a series configuration. In a series circuit, the current has only one path to flow through, which is sequentially passing through each resistor. As a result, the current remains constant because it cannot "choose" different paths or split up.

Each resistor in a series circuit offers a certain amount of resistance to the flow of electric current. Since the current passing through all the resistors in the series is the same, the voltage drop across each resistor will differ based on its resistance value.

This can be calculated using Ohm's Law (V = IR), where V is the voltage, I is the current, and R is the resistance. Thus, statement A, "the voltage across each resistor is the same," is false.

The power dissipated by each resistor can be determined using the formula P = IV, where P is power, I is current, and V is voltage. Since the voltage differs across each resistor, the power dissipated by each resistor will also differ. Therefore, statement C, "the power dissipated by each resistor is the same," is false.

As for statement D, the rate at which charge flows through each resistor depends on its resistance. The higher the resistance, the slower the rate at which charge flows. This is in accordance with Ohm's Law, which states that current is inversely proportional to resistance. Therefore, statement D is true.

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Answer:

0.6amp or I= 0.6

Explanation:

V=IR

12V=I(20)

12/20=I

0.6=I

Answer:

0.6amp

Explanation:

An advantage of the exemplar approach over the prototype approach is that the exemplar approach provides a better explanation of the typicality effect.

The typicality effect in categorization refers to a phenomena in which typical things are more readily classified as belonging to a category than unusual ones. A common inclusion task employed in earlier studies of the normativity effect asks participants to determine how a tangible to a category.

the discovery that people generally quicker to categorically judge typical category members than what they are to categorically judge atypical category members. For instance, they can determine that a dog is indeed a mammal more rapidly than they can determine that a whale is indeed a mammal.

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Answer:

a. T₂ = 60 N

b. W = 25.98 N

Explanation:

a.

Taking right side as positive x direction, the equation for sum of forces in x-direction can be written as follows:

\(T_{2}Sin\ 30^o - T_{1} = 0\\T_{2}Sin\ 30^o = T_{1}\\T_{1} = (T_{2})(Sin\ 30^o)\\where,\\T_{2} = 30\ N\\Therefore,\\T_{1} = (30\ N)(Sin\ 30^o)\\\)

T₁ = 15 N

b.

Taking upward direction as positive y direction, the equation for sum of forces in y-direction can be written as follows:

\(T_{2}Cos\ 30^o - W = 0\\T_{2}Cos\ 30^o = W\\W = (30\ N)Cos\ 30^o\\\)

W = 25.98 N

The tension in the string must be changed to 508 N to raise the wave speed to 180 m/s.

The wave speed on a string is given by the equation:

v = sqrt(T/μ)

where v is the wave speed, T is the tension in the string, and μ is the linear density of the string.

To find the new tension required to achieve a wave speed of 180 m/s, we can rearrange the equation as:

T = μv^2

We can use the given information to find the initial value of μ:

130 m/s = sqrt(116 N / μ)

Solving for μ, we get:

μ = 0.002938 kg/m

Now we can use this value of μ to calculate the new tension required to achieve a wave speed of 180 m/s:

T = (0.002938 kg/m) x (180 m/s)^2

T = 508 N

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The longevity discrepancy between Blacks and Whites may be a result of various factors, including socioeconomic disparities, healthcare access, lifestyle choices, genetic factors, and systemic racism.

The disparity in longevity, or differences in life expectancy, between Blacks and Whites has been a subject of research and discussion. It is a complex issue influenced by multiple factors that can contribute to variations in health outcomes and life expectancy.

1. Socioeconomic Disparities: Socioeconomic factors, such as income, education, employment opportunities, and neighborhood conditions, play a significant role in health disparities. Black individuals, on average, face higher levels of poverty, limited access to quality education and employment, and reside in neighborhoods with fewer resources and higher levels of crime. These socioeconomic disparities can lead to disparities in healthcare access, stress levels, and overall health outcomes.

2. Healthcare Access and Quality: Unequal access to healthcare and differences in the quality of healthcare services can contribute to health disparities. Black individuals may face barriers such as lack of health insurance, limited availability of healthcare providers in their communities, and implicit biases in the healthcare system that can impact the quality and timeliness of care received.

3. Lifestyle Choices: Differences in lifestyle choices, including diet, physical activity, tobacco use, and alcohol consumption, can influence health outcomes and longevity. Socioeconomic factors and cultural norms can contribute to variations in these lifestyle choices between racial and ethnic groups.

4. Genetic Factors: Genetic variations can play a role in health disparities, including differences in susceptibility to certain diseases or responses to medications. However, genetics alone cannot account for the entire longevity discrepancy between Blacks and Whites, as it is influenced by a combination of genetic, environmental, and socio-cultural factors.

5. Systemic Racism: Systemic racism and discrimination can have pervasive effects on health outcomes. Racial discrimination and bias in various societal institutions, including education, employment, housing, and healthcare, can contribute to stress, limited opportunities, and disparities in health and longevity.

The longevity discrepancy between Blacks and Whites is a complex issue influenced by a combination of factors, including socioeconomic disparities, healthcare access and quality, lifestyle choices, genetic factors, and systemic racism. Addressing these multifaceted factors is crucial to reducing health disparities and promoting health equity among different racial and ethnic groups.

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Answer:

h ’= 12,768 cm

Explanation:

For this exercise let's use the constructor equation

         1 / f = 1 / p + 1 / q

where f is the focal length, p the distance to the object and q the distance to the image

the magnification equation is

          m = h '/ h = -q / p

let's find the distance to the object

         1 / p = 1 / f- 1 / q

         1 / p = 1/20 - 1 / (- 37.5)

         1 / p = 0.076666

          p = 13.04 cm

now let's use the magnification equation

         h ’= - q / p h

let's calculate

         h ’= - (-37.5) / 13.04 4.44

         h ’= 12,768 cm

Answer:

12.8

Explanation:

got the answer from chegg. Correct for acellus.

Answer:

The continuity equation says that if charge is moving out of a differential volume (i.e., divergence of current density is positive) then the amount of charge within that volume is going to decrease, so the rate of change of charge density is negative.

Explanation:

I have included a picture

Answer:

with fuel

Explanation:

Answer:

you can add more energy to the car by launching it again.

Explanation:

The strength of the magnetic field in the center of the system, which is equally spaced from the wires. . B = μ0I/(2πr) for the magnetic field's strength.

And this is where the second important characteristic comes into play. The equivalent surface current density I = dI/ds =B = μ0I/(2πr), which is proportional to the magnetic field Br of the permanent magnet material, may be used to compute the magnetic field of permanent magnets. In this case, the permeability of open space is μ = 4 107 A/Tm.

The magnetic field lines encircle a long, straight wire when it is carrying a current I. You may find the magnetic field direction by circling the wire with your fingers while pointing your right thumb in the direction of the current.

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Answer:

The frequency of the sound wave is 800Hz

The speed of sound in a is about 340m/s.

Velocity = frequency x wavelength

making wavelength the subject formula

wavelength = Velocity/frequency.

wavelength = 340/800

wavelength = 0.425m.