what data were provided to determine that bage3 was metallic, and what observation prompted the assignment of the 4.0 k critical temperature?

Answer:

shirt is little attached to the body, it can come off and fly away

Explanation:

In electrostatics, charges of different signs attract and charges of the same sign repel.

In this case, when a negative charge is placed on it, both the inventor and the shirt are charged, therefore there is a repulsive force, also there is an attraction between the positive charge of the roof attracts the negative charge, such as the shirt. of weak the two forces not greater than the resistance of the walk.

As the shirt is little attached to the body, it can come off and fly away

Answer:

Amontons's law. If the temperature is increased, the average speed and kinetic energy of the gas molecules increase. ... If the gas volume is decreased, the container wall area decreases and the molecule-wall collision frequency increases, both of which increase the pressure exerted by the gas

The pivot should be placed 1.31 m from the left end of the board to balance the seesaw when you sit on the left end and your friend sits on the right end, taking into account the mass of the board.

T1 = 90 kg * g * (x - 1.5 m)

T2 = 60 kg * g * (1.5 m - x).

T3 = Mg * (L/2 - x)

In the equilibrium position, we set the sum of the torques equal to zero:

T1 + T2 + T3 = 0

90 kg * g * (x - 1.5 m) + 60 kg * g * (1.5 m - x) + Mg * (L/2 - x) = 0

Simplifying and solving for x, we get:

x = (45 kg * L + 1.5 m * (90 kg - 60 kg)) / (M + 150 kg)

Substituting the values given in the problem, with M = 29 kg, we get:

x = (45 kg * 3.0 m + 1.5 m * 30 kg) / (29 kg + 150 kg)

x = 1.31 m

Torque is a measure of the force that causes an object to rotate around an axis or pivot point. It is often described as the rotational equivalent of force. The amount of torque an object experiences is dependent on both the magnitude and direction of the applied force, as well as the distance between the axis of rotation and the point where the force is applied.

The formula for torque is τ = r × F, where τ is the torque, r is the distance between the axis of rotation and the point of force application, and F is the magnitude of the applied force. Torque is typically measured in units of Newton meters (Nm) or pound-feet (lb-ft). Torque is an important concept in many areas of physics, including mechanics, engineering, and robotics. It plays a critical role in the operation of machines and engines, as well as in the movement and control of vehicles and aircraft.

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Answer:

A example of a scientific way of thinking is making observations, forming questions, making hypotheses, doing an experiment, analyzing the data, and forming a conclusion.

Answer:

yea its D  .

Explanation:

Statement:

A force is necessary to stretch a spring 0.5 m when the spring constant is 190 N/m.

To find out:

The force required to stretch the spring.

Solution:

Answer:

95 N

Hope you could understand.

If you have any query, feel free to ask.

Answer:

c. Water

Explanation:

The solvent is the substance in which a solute is dissolved to make the solution.

In this case, the water is the solvent, the flavored powder is the solute, and the solution is the final drink.

Answer:

When a ray of light, passes from a denser to a rarer medium with the angle of incidence greater than the critical angle, the ray is reflected back into the same medium. This phenomenon is call total internal reflection.

Answer:

(a) Both the charges are positive or negative.

(b) Teh value of each charge is 1.53 x 10^-5 C.

Explanation:

Spring constant, K = 340 N/m

Natural length, L = 0.4 m

stretch, y = 0.033 m

(a) Let the charge on each sphere is q and they repel each other so the nature of charge of either sphere may be both positive or both negative.  

(b) The electrostatic force is balanced by the spring force.

\(\frac{kq^2}{(L + y)^2}=Ky\\\\\\\frac{9\times 10^9 q^2}{(0.4 +0.033)^2} = 340\times0.033\\\\q= 1.53\times 10^{-5} C\)

The power needed to warm the cold outside air to inside temperature in a standard 150 m2 house with an outside temperature of 0°C and an inside room temperature of 20°C is 2076.24 watts.

To calculate the power needed, we first need to calculate the amount of heat needed to warm the air. This is done using the following formula:

Heat = Mass * Specific Heat * Temperature Change

The mass of the air in the house is calculated by multiplying the volume of the house by the density of air. The volume of the house is 150 m2 * 3.28 m/m2 = 486 m3. The density of air at 0°C is 1.225 kg/m3.

The specific heat of air is 1.013 kJ/kg·K. The temperature change is 20°C - 0°C = 20°C.

So, the amount of heat needed to warm the air is 486 m3 * 1.225 kg/m3 * 1.013 kJ/kg·K * 20°C = 9962 kJ.

The power needed to warm the air is then calculated by dividing the amount of heat needed by the time it takes to change the air, which is 5 hours * 3600 seconds/hour = 18000 seconds.

So, the power needed is 9962 kJ / 18000 seconds = 0.554 kJ/second = 2076.24 watts.

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Answer:

jogging

Explanation:

Jogging is often defined as running at a pace less than 6 miles per hour (mph), and it has some significant benefits for people who want to improve their health without overdoing it.

Answer:

W = 0.15 J

Explanation:

Given that,

The force acting on the ball, F = 15 N

It makes contact with the ball for a distance of 0.01 m

We need to find the work done on the ball. The work done can be calculated as :

W = Fd

So,

W = (15 × 0.01) J

W = 0.15 J

So, the work done is 0.15 J.

Explanation:

The potential energy of an object has the following formula

         Potential energy = mgh

      where m = mass of the object

                   g = acceleration due to gravity

                   h = height of the object

This means that the potential energy of an object depends upon its mass, acceleration due to gravity, and height.

In the given situation we have a bucket full of water. If the mass and acceleration due to gravity are not changed, the only way the potential energy can be decreased is by reducing the height of the bucket full of water.

This can be done by: -

         (i) Lifting the bucket full of water in such a way that you

             decrease its height as compared to the bench.

        (ii) Put the bucket full of water on a stool whose height is

            lower than the bench.

Answer:

1.By decreasing it's contents- this decreases the weight of the bucket thus decreasing the potential energy of the bucket.

2.By decreasing the height of the bench we have decreased the amount of potential energy stored in the bucket

The answer would be B.) Electric Energy

Answer:

b.electric energy

we need electric energy to make the heater work.

Answer:

4 LE DIOXYDE  DE CARBONE

Explanation:

The current density in the wire is 8.38A/m^2.

To find the answer, we have to know about the current density.

                          \(J=\frac{I}{A} =\frac{I}{\pi(r_o^2-r_i^2)} \\\\J=\frac{15}{\pi(1.1^2-0.4^2)} =8.38A/m^2\)

Thus, we can conclude that, the current density in the wire is 8.38A/m^2.

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false assertion. A particle model is a simplified description of a physical system in which the item is regarded as if it were a point mass, with no regard for its size, shape, or internal structure.

In physics, it is frequently used to analyze the motion of objects under idealized conditions. Athletes whose bodies come into touch with the ground or other earth-bound objects, on the other hand, cannot be correctly represented as point masses. Instead, their bodies are complicated structures with varied forms and densities, and their motion is influenced by a variety of elements such as friction, air resistance, and object deformation. A more realistic model, such as as a rigid body model or a finite element model should be used.

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Answer:

By studying.

By paying attention to what the teacher is saying.

That's the way to receive knowledge.

HAVE A GREAT DAY

Explanation:

Please give me that little crown...

AND REMEMBER TO SMILE

Answer:

elastic collision

Explanation:

Answer:they are a renewable source

Explanation: because they come from the ocean and the ocean is 75% of the world so there will always be waves.

Answer: Different types of fuels have varying compositions and release different amounts of pollutants when burned. Here are some common types of fuels and the pollutants associated with them:

Fossil Fuels:

a. Coal: When burned, coal releases pollutants such as carbon dioxide (CO2), sulfur dioxide (SO2), nitrogen oxides (NOx), and particulate matter (PM).

b. Petroleum (Oil): Burning petroleum-based fuels like gasoline and diesel produces CO2, SO2, NOx, volatile organic compounds (VOCs), and PM.

Natural Gas:

Natural gas, which primarily consists of methane (CH4), is considered a cleaner-burning fuel compared to coal and oil. It releases lower amounts of CO2, SO2, NOx, VOCs, and PM.

Biofuels:

Biofuels are derived from renewable sources such as plants and agricultural waste. Their environmental impact depends on the specific type of biofuel. For example:

a. Ethanol: Produced from crops like corn or sugarcane, burning ethanol emits CO2 but generally releases fewer pollutants than fossil fuels.

b. Biodiesel: Made from vegetable oils or animal fats, biodiesel produces lower levels of CO2, SO2, and PM compared to petroleum-based diesel.

Renewable Energy Sources:

Renewable energy sources like solar, wind, and hydropower do not produce pollutants during electricity generation. However, the manufacturing, installation, and maintenance of renewable energy infrastructure can have environmental impacts.

It's important to note that the environmental impact of a fuel also depends on factors such as combustion technology, fuel efficiency, and emission control measures. Additionally, advancements in clean technologies and the use of emission controls can help mitigate the environmental impact of burning fuels.

If two objects are experiencing the same amount of force, the accelerations are not necessarily the same.

From Newton's second law,

we have F=ma,

where F is the force acting on the body, m is the mass and a is the acceleration of the body respectively.

Thus, the force of an object depends on both  mass and acceleration. Hence, if the two objects experiencing the same amount of force have unequal masses, then they'll have unequal accelerations. For example, if the force experienced by a golf head and a golf ball are the same, the golf ball experiences greater acceleration due to its smaller mass. Thus if the two objects are experiencing the same amount of force, then the lighter object among the two experiences greater acceleration.

On the other hand, if the two objects experiencing the same amount of force are of equal mass, then both will experience the same amount of acceleration.

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The distance between the dog and the ball's location is 42 meters, and the dog was able to cover this distance in 28 seconds at a speed of 1.5 m/s.

The distance to the ball's location can be determined by using the formula:

distance = speed × time.

To understand this calculation, it is important to remember that speed is the rate at which an object moves, typically measured in meters per second (m/s).

In this scenario, the speed of the dog is given as 1.5 m/s and the time taken to retrieve the ball is 28 seconds. Therefore, the distance she covers to the ball's location is:

distance = speed × time

distance = 1.5 m/s × 28 s

distance = 42 meters

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The binary compound (HₙX) of the atom X would be predicted to have the highest vapor pressure at a given temperature.

Vapor pressure is influenced by several factors, including intermolecular forces and molecular mass. Generally, compounds with weaker intermolecular forces and lower molecular mass tend to have higher vapor pressures.

If we consider a binary compound (HₙX), where X represents an atom, the atom with the smallest molecular mass and weakest intermolecular forces would likely result in the highest vapor pressure for the compound.

This is because smaller atoms generally have lower molecular masses and weaker intermolecular forces, making it easier for their molecules to escape into the gas phase.

Therefore, the binary compound (HₙX) of the atom with the smallest molecular mass and weakest intermolecular forces would have the highest vapor pressure at a given temperature.

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Answer:

mass

gravitational pull

Scientific models area unit accustomed make a case for and predict the behaviour of real objects or systems.

A system of ideas, events, or processes is described physically, mathematically, conceptually, or conceptually in an exceedingly scientific model. By victimisation their scientific experience to produce explanations that create it doable to forecast the patterns, scientists work to recognise and comprehend the patterns that exist in the environment.

Scientific model illustrations include:

a simulation of the sun, moon, and earth's motions (which you participated in last year) a way for statement eclipses. The weather will be foretold victimisation models that describe weather events.

Models will assist you in mentally imagining one thing that's difficult to ascertain or comprehend. Models will aid in scientific prediction, understanding of processes, and communication of ideas.

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The combination of frequencies that produce the lowest beat frequency is 10 Hz and 15 Hz. The correct option is C.

To determine the beat frequency, we subtract one frequency from the other and take the absolute value. The beat frequency is the difference between the frequencies involved in the interference pattern created by two sound waves.

Let's analyze each option:

A. 500 Hz and 501 Hz: The beat frequency would be 501 Hz - 500 Hz = 1 Hz.

B. 10 Hz and 20 Hz: The beat frequency would be 20 Hz - 10 Hz = 10 Hz.

C. 10 Hz and 15 Hz: The beat frequency would be 15 Hz - 10 Hz = 5 Hz.

D. 500 Hz and 600 Hz: The beat frequency would be 600 Hz - 500 Hz = 100 Hz.

Therefore, option C (10 Hz and 15 Hz) produces the lowest beat frequency of 5 Hz compared to the other options.

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Among the following options, option E) the establishment of constitutional monarchy was not a defining force in the Baroque period.

The Baroque period, which spanned from the late 16th century to the early 18th century, was characterized by several significant political changes. These changes included the rise of absolute monarchy, the consolidation of centralized power, and the emergence of nation-states. However, the establishment of constitutional monarchy, which limits the monarch's power through a written constitution, was not a defining force during this period.

The main point is that while the Baroque period witnessed significant political changes such as the rise of absolute monarchy and the consolidation of centralized power, the establishment of constitutional monarchy, which limits the monarch's authority through a written constitution, was not a defining force during this artistic and cultural era. The Baroque period is known for its elaborate artistic style, grandeur, and the influence of powerful monarchs in shaping the cultural landscape.

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The complete question is:

which of the following political changes was not a defining force in the baroque period?

A) The rise of absolute monarchies

B) The emergence of parliamentary systems

C) The Protestant Reformation

D) The decline of feudalism

E) The establishment of constitutional monarchy

Answer:

D is the answer

Explanation:

D is the most highest one so

the answer is D

Answer:

10 kg rock at 15 degrees celcius