Express the following units into their basic units
a)neuton
b)joule
​

The elements on the periodic table are ordered according to their atomic number. The atomic number of an element corresponds to the number of protons in its nucleus.

It is a unique identifier for each element and determines its position on the periodic table. Elements with lower atomic numbers are placed on the left side of the table, while elements with higher atomic numbers are positioned towards the right. The elements are arranged in increasing order of atomic number in periods (rows) and groups (columns). This arrangement allows for the organization of elements with similar properties in the same group.

The atomic mass, number of neutrons, and mass number are important properties of elements, but they do not determine the order of elements on the periodic table. The atomic mass is the average mass of all the isotopes of an element, taking into account their abundance. The number of neutrons can vary among different isotopes of the same element, while the mass number represents the sum of protons and neutrons in an atom's nucleus. However, it is the atomic number that primarily governs the arrangement and organization of elements on the periodic table.

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Answer:

(b) A convex mirror can form a magnified real image.

Explanation:

A convex mirror only forms diminished/highly diminished, virtual and erect image.

Hope it helps.

the magnitude of the average force required to stop the sled is 16 times the velocity of the sled in meters per second.

To calculate the magnitude of the average force required to stop the sled, we can use the concept of impulse and momentum. The equation that relates these two concepts is:

FΔt = mΔvwhere F is the force, Δt is the time interval during which the force is applied, m is the mass of the object, and Δv is the change in velocity.Let's assume that the sled was initially moving with a certain velocity v and that you want to bring it to a complete stop.

The final velocity of the sled will be 0 m/s. Since the mass of the child and sled is 32 kg, we can use the following equation to calculate the average force required to stop the sled:

FΔt = mΔvF Δt = (32 kg) (- v)F Δt = -32v

To determine the value of F, we need to know the time interval Δt during which the force is applied. If we assume that it takes 2 seconds to bring the sled to a stop, then:

F (2 s) = -32vF = -16v Newtons

Therefore, the magnitude of the average force required to stop the sled is 16 times the velocity of the sled in meters per second.

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The correct option is A, The energy is converted to generating sound and heating the floor, rock, and surrounding air.

Energy refers to the property of an object or system that allows it to do work. Work is defined as the application of a force over a distance, and energy is required to accomplish this. Energy can exist in many forms, such as mechanical, thermal, electromagnetic, chemical, and nuclear.

The two main types of energy are kinetic energy and potential energy. Kinetic energy is the energy that an object possesses due to its motion, while potential energy is the energy that an object possesses due to its position or configuration. Energy is conserved, meaning that it cannot be created or destroyed but can only be transformed from one form to another. This is known as the law of conservation of energy,

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Complete Question;

A rock held above the ground has capacity power. because the rock falls, this capacity energy is transformed into kinetic power. eventually, the rock hits the floor and stays there. what has come about with electricity? organization of solution picks

A). The power is going to generate sound and heat the floor, rock, and surrounding air.

B). it is transformed lower back into a gravitational potential strength.

C). The rock maintains the power inner it in the form of mass energy.

D). The power is going into the ground, and as a result, the orbit of the Earth across the sun is slightly modified.

Passive and active solar systems are both methods of harnessing solar energy for various uses, such as heating or electricity generation. They share the common goal of utilizing renewable energy sources and reducing our dependence on fossil fuels. The key difference between passive and active solar systems lies in their approach and components.

Passive solar systems rely on the natural movement of heat and light, utilizing building design elements like large windows, thermal mass, and strategic insulation to regulate temperature. They do not require mechanical or electrical devices to function.

On the other hand, active solar systems use mechanical and electrical components, such as solar panels, pumps, and inverters, to collect, convert, and distribute solar energy. These systems actively capture and store solar energy, which can then be used for heating, cooling, or electricity generation.

In summary, while both passive and active solar systems aim to harness solar energy, passive systems do so through building design and natural processes, while active systems employ mechanical and electrical components to capture and store energy.

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Answer:

d in my opinion is the most opitmal answer

Explanation:

aka a graph comparing distances traveled by objects thrown on Earth and the moon

Answer:

Its d

Explanation:

a graph comparing distances traveled by objects thrown on Earth and the moon

Based on the data obtained from the reaction, the following conclusions can be made;

Equation of the reaction is given below:

Trial 1

Mass of empty crucible with lid = 26.698 (g)

Mass of Mg metal, crucible, and lid  = 27.040 (g)

Mass of MgO, crucible, and lid = 27.198 (g)

Mass of metal = 27.040 - 26.698 = 0.342

Mass of MgO = 27.198 - 26.698 = 0.500

moles of Mg = mass/molar mass

moles of Mg = 0.342/24 = 0.01425

Based on the equation of reaction;

moles of MgO expected = 0.01425

moles of MgO produced =  mass/molar mass

moles of MgO produced = 0.500/40 = 0.0125

Percentage yield = 0.0125/0.01425 * 100%

Percent yield of MgO = 87.7%

Trial 2

Mass of empty crucible with lid = 26.691 (g)

Mass of Mg metal, crucible, and lid = 27.099 (g)

Mass of MgO, crucible, and lid = 27.361 (g)

Mass of metal = 27.099 - 26.691 = 0.408

Mass of MgO = 27.361 - 26.691 = 0.670

moles of Mg = mass/molar mass

moles of Mg = 0.408/24 = 0.0170

Based on the equation of reaction;

moles of MgO expected = 0.0170

molar mass of MgO = 40 g/mol

moles of MgO produced = 0.670/40 = 0.01675

Percent yield = 0.01675/0.0170 * 100%

Percent yield of MgO = 98.5%

Average percent yield = (87.7 + 98.5)% / 2

Average percent yield = 89.0%

Based on the data obtained from the reaction, the following conclusion can be made;

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Answer:

90.3

Explanation:

Edge 2022

Answer:

A resistor is a battery

Answer:

The answer is A

Explanation:

A resistor is a light bulb because it is the flow of an electric current in an electric circuit.

The tension in the wire supporting the 20.0 kg, 3.00 m long store sign is 399.4 N.

To calculate the tension, first find the torque at the loose bolt, which acts as the pivot point. The weight of the sign (mg) causes a torque, where m is the mass (20.0 kg) and g is the acceleration due to gravity (9.81 m/s²). The distance from the pivot to the center of mass is half the length of the sign (1.50 m). The torque is then given by:

Torque = (20.0 kg)(9.81 m/s²)(1.50 m) = 294.3 Nm

Next, consider the horizontal and vertical components of the tension in the wire. The vertical component balances the weight of the sign, and the horizontal component creates a counter-torque. With a 25.0° angle with the horizontal, the tension T can be found using:

Vertical: Tsin(25.0°) = (20.0 kg)(9.81 m/s²)
Horizontal: Tcos(25.0°) = Torque / 3.00 m

Solve the vertical equation for T, then substitute it into the horizontal equation to find the tension in the wire:

T = 399.4 N

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Answer:

D. 1.2 × 102 newtons

Explanation:

The computation of the normal force acting on the bag is shown below:

It could find out by applying the following formula

Normal force =  Force ÷  coefficient of kinetic friction

where,

Force is 27 newtons

And, the  coefficient of kinetic friction is 0.23

Now placing these values to the above formula

So, the normal force is

= 27 newtons ÷ 0.23

= 117.39 N

Therefore the correct option is D.

Answer of the given question about graph of v(t) is a) average velocity = 6m/s. b) 12m/s c) 3m/second square. d) 6.33 s

A vector quantity is average velocity. Average velocity is defined as the difference between the change in position or displacement (x) and the time intervals (t) during which the displacement occurs. The average velocity may be positive or negative depending on the displacement's direction. Meters per second, sometimes known as m/s or ms-1, is the SI measure for average velocity. The only factor in average velocity is the object's displacement. However, the displacement's size may differ from the actual path's length. Because of this, we use average speed to characterize the rate of motion along a path. The average speed is calculated by dividing the total distance traveled by the total amount of motion time. The average speed is a scalar quantity, in contrast to average velocity.

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At the bottom of the journey, the passengers will be travelling at a speed of approximately 39.2 m/s.

Acceleration is the rate of change of an object's velocity over time. It is a vector quantity, meaning it has both magnitude and direction. Acceleration is usually denoted by the letter a in equations. It is the second derivative of position with respect to time, or the rate of change of velocity. Acceleration describes how quickly an object's speed changes with time. Acceleration can involve either an increase or decrease in speed, and it can involve either a change in direction or no change in direction.

This is because the velocity of a free falling object is equal to the square root of two times the acceleration of gravity times the height from which the object is dropped.
In this case, the height is 33.5 m, and the acceleration of gravity is 9.8 m/s2.
Therefore, the velocity at the bottom of the journey is equal to the square root of two times 9.8 m/s2 times 33.5 m, which is equal to 39.2 m/s.

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When an airplane travels 640 miles from Topeka to Houston in 3. 2 hours, going against the wind. The return trip is with the wind and takes only 2 hours. Then the rate of the airplane with no wind is 260 miles/hr, and the rate of the wind is 100 miles/hr

Let Va is the velocity of the airplane

Va is the velocity of the wind

When flying against the wind then

(Va+Vw)*(3.2 hours) = 640

3.2Va + 3.2Vw = 640

3.2Vw = 640 - 3.2Va

Vw = 200 - Va----------------(1)

When flying with the wind:

(Va-V)*(2 hours) = 640km

2Va - 2Vw = 640

Va - Vw = 320 ----------------(2)

Putting the value of VW in equation (2) we get

Va - (200-Va) = 320

2Va = 320 +200

2Va = 520

Va = 260

Putting this value in equation (2)

Vw =Va - 360

Vw = 100

Therefore the rate of the airplane with no wind is 260 miles/hr, and the rate of the wind is 100 miles/hr

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The distance the wagons travel until the spring is fully compressed is 2 × xmax = 3.42 m. To solve this problem, we need to apply the principle of conservation of momentum and conservation of energy.

Initially, the momentum of the system is given by:

p1 = (15 kg + 5 kg) × 3.75 m/s = 75 kg m/s

After the collision, the two wagons stick together and move as one unit, with a combined mass of 30 kg. Let v be the common velocity of the two wagons after the collision. Then, the momentum of the system is given by:

p2 = 30 kg × v

According to the principle of conservation of momentum, p1 = p2. Therefore, we have:

75 kg m/s = 30 kg × v

which gives:

v = 2.5 m/s

Now, let's consider the energy of the system. Initially, the kinetic energy of the system is given by:

K1 = (1/2) × (15 kg + 5 kg) × (3.75 m/s)² = 421.875 J

After the collision, the energy of the system is stored in the compressed spring. The potential energy of a spring is given by:

U = (1/2) × k × x²

where k is the spring constant and x is the displacement of the spring from its equilibrium position. At maximum compression, the displacement is xmax, and the potential energy is:

Umax = (1/2) × 250 N/m × xmax²

According to the principle of conservation of energy, the initial kinetic energy of the system is converted to potential energy of the spring at maximum compression. Therefore, we have:

K1 = Umax

which gives:

xmax = sqrt(2 × K1 / k) = 1.71 m

Therefore, the distance the wagons travel until the spring is fully compressed is 2 × xmax = 3.42 m.

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The position of the particle when t = 4 is 240 m. The position of an object can change over time, and the rate at which its position changes is called its velocity.

In physics, position refers to the location of an object in space. It is often described by a set of coordinates, such as (x, y, z) in three-dimensional space or (x, y) in two-dimensional space. Position is a vector quantity, which means it has both a magnitude (the distance from a reference point) and a direction.

The position of the particle can be found by integrating the velocity function with respect to time. Integrating v(t) = 4t³ + 1 with respect to t gives us x(t) = t⁴ + t + C, where C is the constant of integration. Since the position of the particle is x = 1 when t = 2, we can use this information to find the value of C.

x(2) = 2⁴ + 2 + C = 17 + C = 1

C = -16

Therefore, the position of the particle when t = 4 is given by x(4) = 4⁴ + 4 - 16 = 256 - 16 = 240

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Upon absorbing 254 kcal of heat, a gas contained in a cylinder kept at atmospheric pressure sees a rise in volume from 12.0 m3 to 16.2 m3. The work performed by the gas is -1.01 × 10⁵ Kcal, and the internal energy has changed by -1.01 × 10⁵ Kcal

The volume of a gas contained in a cylinder at atmospheric pressure (P = 101325 Pa) increases from 12.0 m³ to 16.2 m³.

The following phrase can be used to determine the work (w) that the gas has performed.

w = -P × ΔV = -101,325 Pa × (16.2 m² - 12.0 m²) = -4.26 × 10⁵ J × 1kcal/4181J = -1.02 × 10⁵ Kcal

The gas receives 254 kcal of heat, making q equal to 254 kcal. The following phrase can be used to determine how the internal energy (E) has changed.

ΔE = q + w = 254 Kcal + (-1.02 × 10⁵ Kcal) = -1.01 × 10⁵ Kcal

When a gas is contained in a cylinder that is kept at atmospheric pressure, it absorbs 254 kcal of heat, increasing its volume from 12.0 m³ to 16.2 m³. The gas expends -1.02 × 10⁵ kcal of effort, and the internal energy changes by -1.01 × 10⁵ kcal.

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Not including the endpoints, there are 3 nodes.

In a wave, a node is a stationary point. For example in a vibrating string of a guitar, the endpoints would be nodes.

But here we need to ignore the endpoints, we only know that the wave has two wavelengths.

For a wave with N wavelengths the number of nodes that are not endpoints is just given by 2*N - 1  (while if we counted the endpoints we would have 2*N + 1).

So in this case we have N = 2, then there are 2*2 - 1 = 3 nodes.

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If one oscillation has 5.8 times the energy of the second one of equal frequency and mass, 2.4:1 is the ratio of their amplitudes.

Oscillation is defined as the process of repeating fluctuations of a quantity or measure around its time equilibrium value. Oscillation can also be defined as the periodic fluctuation of matter between two values ​​or about their average.

The definition of happiness is someone or something that makes you feel great joy or pleasure. An example of good luck is someone who wins the lottery. An example of happiness is a laughing baby. Besides making you feel better, positive emotions are good for your brain and body. It lowers stress hormones, relieves anxiety and depression, and strengthens the immune system. Feeling positive emotions every day has a huge impact on our well-being and health.

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Answer:

I don't know I'm sorry I will tell you another answer asks me

If you double the current through a resistor, the power dissipated by the resistor change by factor of 4.

The stream of positive charges which flow from the positive terminal to the negative terminal of the battery attached in a circuit.

Power dissipated through a resistor is related to current as

P  =I²R

When the current is doubled, the new power will be

P' = (2I)²R

P' = 4 I²R

P' = 4P

Thus, the power change by the factor of 4.

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Aerobic respiration occurs in the mitochondria's cytoplasm. Anaerobic respiration results in the production of two ATP molecules. Prokaryotes, which are human muscle cells, engage in anaerobic respiration. Thus, option C is correct.

All species' cells engage in cellular respiration. Utilizing oxygen, the cell converts the food (glucose) into carbon dioxide and water. The process of breaking down glucose while using oxygen is referred to as aerobic respiration.

Therefore, all living organisms carry out some form of respiration.

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When an electron in a hydrogen atom jumps from n = 3 to n = 2, the frequency of the emitted electromagnetic radiation is approximately 19.65 x 10^7 H

To calculate the frequency of electromagnetic radiation emitted when an electron in a hydrogen atom jumps from energy level n = 3 to n = 2, you can use the Rydberg formula:

1/λ = R_H × (1/n_final^2 - 1/n_initial^2)

where λ is the wavelength of the radiation, R_H is the Rydberg constant for hydrogen (approximately 1.097 x 10^7 m^-1), and n_final and n_initial are the final and initial energy levels, respectively.

To find the frequency (f) of the radiation, you can use the equation:

f = c / λ

where c is the speed of light in a vacuum (approximately 3.00 x 10^8 m/s).

Given:

n_final = 2

n_initial = 3

Let's calculate the frequency:

Using the Rydberg formula:

1/λ = R_H × (1/n_final^2 - 1/n_initial^2)

1/λ = 1.097 x 10^7 m^-1 × (1/2^2 - 1/3^2)

1/λ = 1.097 x 10^7 m^-1 ×(1/4 - 1/9)

Calculating the result:

1/λ = 1.097 x 10^7 m^-1 × (9/36 - 4/36)

1/λ = 1.097 x 10^7 m^-1 × (5/36)

1/λ = 0.1526 x 10^7 m^-1

Now, let's calculate the frequency using the equation f = c / λ:

f = c / λ

f = (3.00 x 10^8 m/s) / (0.1526 x 10^7 m^-1)

f = 19.65 x 10^7 Hz

Therefore, when an electron in a hydrogen atom jumps from n = 3 to n = 2, the frequency of the emitted electromagnetic radiation is approximately 19.65 x 10^7 Hz.

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The answer is C, because water is denser, therefore it will take a longer time to reach the ears

The way ice water mix with the salty water is that  when a person adds salty water to ice, the salt will be the first thing to dissolves in the layer of liquid water that is seen on the surface.

By reducing the  freezing point below the ices temperature, when the Ice is said to be in contact with salty water, it tends to melts, forming more liquid water, that will then dissolves more salt, causing a lot of ice to melt, and the process still goes on.

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Answer:

kinetic energy

Explanation:

the number of neutrons may b 21

The converse of the statement "No pilots are mechanics" is No mechanics are pilots.

Hence, the correct option is A.

The converse of a statement switches the subject and the predicate and negates both. In the original statement, the subject is "pilots" and the predicate is "mechanics."

The original statement states that there is no overlap between pilots and mechanics. In the converse statement, the subject becomes "mechanics" and the predicate becomes "pilots," and it still states that there is no overlap between the two groups.

Therefore, The converse of the statement "No pilots are mechanics" is No mechanics are pilots.

Hence, the correct option is A.

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An object's momentum is a measure of its motion, defined as the product of its mass and its velocity. This means that an object with a large mass moving at a high velocity will have greater momentum than an object with a smaller mass moving at a slower velocity.

The momentum of an object is a vector quantity, which means it has both magnitude and direction. The direction of an object's momentum is the same as the direction of its velocity. This means that if an object is moving north, its momentum is also northward. Momentum is an important concept in physics, particularly in the study of collisions and interactions between objects.

In these situations, the total momentum of a system is conserved, meaning that the sum of the momenta of all objects involved remains constant before and after the interaction. This principle is known as the law of conservation of momentum and is crucial for understanding the behavior of objects in motion.

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Answer:

IVE BEEN TRYNA FIND THE ANSWER FOR THE PAST HOUR T-T

Explanation:

Answer:

3.2 x10^11 bits of storage

Explanation:

If you look away from the road for just two seconds, your chance of having a crash actually increases significantly. It is estimated that taking your eyes off the road for just two seconds doubles your risk of a collision.

This is because in that short amount of time, your vehicle can travel a considerable distance, and you may not be aware of potential hazards or changes in road conditions. It is essential to stay focused and alert while driving to ensure your safety and the safety of those around you.

A collision is an event in which two or more objects come into contact with each other, resulting in a transfer of energy and/or momentum between the objects. Collisions can be classified into different types based on the nature of the contact, the forces involved, and the resulting motion of the objects.

Elastic collisions occur when the objects bounce off each other without any deformation or loss of kinetic energy. In this type of collision, the total kinetic energy of the system is conserved. An example of an elastic collision is the collision between two billiard balls.

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Full question:

If you look away from the road for just two seconds, your chance of having a crash actually __________.

Looking away from the road for just two seconds significantly increases your chance of having a crash because it means you're not fully focused on driving. This lack of focus is a major cause of accidents. Therefore, continued attention on the road is vital.

If you look away from the road for just two seconds, your chance of having a crash actually increases significantly. This is because 2 seconds is a substantial amount of time in a high-speed situation, where situations and obstacles can arise suddenly. Taking your eyes off the road when driving means you are not fully focused on the task, which is a major cause of accidents. It is essential to maintain complete attention when driving to prevent potential hazards and to react quickly to changing circumstances.

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