in the absence of an external magnetic field, can we say that one electron con- figuration has a lower energy than the other?

Answer:

Harmful bacteria are called pathogenic

Explanation:

Harmful bacteria are called pathogenic bacteria because they cause disease and illnesses like strep throat, staph infections, cholera, tuberculosis, and food poisoning.

To calculate the time it would take for the wind in a Martian dust storm, moving at a speed of 140 km/hr, to encircle the planet's equator, we need to know the circumference of Mars at its equator. The equatorial circumference of Mars is approximately 21,344 km.

To find the time it would take the wind to encircle the planet's equator, we can use the formula:

Time = Distance / Speed

Plugging in the values we have, we get:
Time = 21,344 km / 140 km/hr

Simplifying, we get:
Time = 152.45 hours

Therefore, it would take approximately 152.45 hours, or about 6.35 Earth days, for the wind in a Martian dust storm moving at a speed of 140 km/hr to encircle the planet's equator.

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Answer:

9.5km

Explanation:

To solve this problem, we add the distances given together.

The distance is the sum of the length of path covered. It is a scalar quantity and has only magnitude but no directional attribute.

Distance walked to friend's house  = 500m

Distance to mall  = 5km

              Since 1000m = 1km, 5km will be 5000m

Distance back to house  = 4km

                In m, this gives 4000m

So;

 Total distance covered  = 500m + 5000m + 4000m  = 9500m

Since 1000m = 1km;

        Then, 9500m will given 9.5km

-- impurities in the water

-- air pressure is higher than standard

Answer:

Sound waves bend around the corners of various obstacles.

Explanation:

I took the test

Answer:

Behavior is determined by the environment. Behavior, no matter how complex, can be reduced to a simple stimulus.

Explanation:

Answer:

Fan speed

Explanation:

because is the dependent variable

One of the best ways to protect yourself from excessive exposure to radiation is to avoid unnecessary exposure. If possible, avoid getting X-rays or other types of radiation when they are not medically necessary. However, if you do need to get an X-ray, make sure it is done by a licensed professional who will take the necessary precautions to limit your exposure.

Radiation can be harmful to the human body, and exposure to excessive radiation can lead to serious health problems such as cancer and radiation sickness. Therefore, it is essential to protect yourself from excessive exposure to radiation.

Finally, increasing your distance from the source of radiation can also help protect you from excessive exposure. The further away you are from the source of radiation, the less exposure you will receive. Therefore, if you work in an environment where you are exposed to radiation, try to keep as much distance between yourself and the source as possible.

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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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Answer:

Amplitude—distance between the resting position and the maximum displacement of the wave

Frequency—number of waves passing by a specific point per second

Period—time it takes for one wave cycle to complete

wavelength λ - the distance between adjacent identical parts of a wave, parallel to the direction of propagation.

Tension - described as the pulling force transmitted axially by the means of a string, a cable, chain, or similar one-dimensional continuous object, or by each end of a rod, truss member, or similar three-dimensional object

Answer:

The thermodynamic processes that occur in nature convert thermal energy into mechanical energy.

The thermodynamic processes that occur in nature are according to the law of thermodynamics.

The thermodynamics processes seen in nature are guided by the law of thermodynamics. The role of energy and heat transmission in physical systems is guided by these laws.

The laws are:

(1) Energy cannot be created nor destroyed in a system, according to the first law of thermodynamics, Also, referred to as the law of energy conservation. Only from one form to another, the energy can be transmitted or altered. Energy is conserved through natural processes, keeping the overall amount constant.

(2) Second law of thermodynamics: states that the overall entropy of an isolated system tends to increase over time in any natural process. This suggests that processes progress towards a state of increasing disorder.

Hence, the thermodynamic processes are guided by the law of thermodynamics.

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Answer:

Force = 3 Newton

Explanation:

Given the following data;

Mass = 200 g to kilograms = 200/1000 = 0.2 kg

Acceleration = 15 m/s²

To find the force;

Force = mass * acceleration

Force = 0.2 * 15

Force = 3 Newton

The total weight that displaced from the initial position is 3 kg. Then, the work done to move them 0.50 meter is 1.5 J.

Work done is a physical quantity describing the effect of a force. When a force applied on an object results in a displacement of the object, the force is said to be done a work on the object.

Work done is the product of the force and displacement. Given that, a 1 Kg mass is falling a distance of 0.50 meter. As in the diagram, the first mass is making displacement of the second mass with 2 Kg to the same distance.

The total mass = 2 +1 = 3 kg

displacement  = 0.50 m

then work done = 3 kg × 0.50 m = 1.5 J

Therefore, the work done by falling mass is 1.5 J

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The motion of a swing is a periodic motion, that means it takes one period for a back and forth motion, which is constant. Here it is 12s, so it will take 12s for a back and forth motion, no matter the distance. The length of the rope in the given case is 11.8m

What is periodic motion?

The motion of a swing is a periodic motion that goes back and forth. The time it takes to complete one back and forth motion is called the period. In this case, the period of the swing is 12 s, which means it takes 12 s to swing from one side to the other and back again, no matter the distance.

The length of the rope affects the distance the swing travels, but not the period of the motion. This is because the period only depends on the gravitational force acting on the swing and the length of the rope, not on the distance traveled.

To determine the length of the rope, we need to know the distance the swing travels in one back and forth motion. Let's assume that the swing travels a distance of 4 meters from one side to the other. This means that the total distance traveled in one back and forth motion is 8 meters.

The period of the motion is given by the formula T=2π√(L/g), where T is the period, L is the length of the rope, and g is the acceleration due to gravity. We know that T=12 s and g=9.81 m/s². Substituting these values into the formula, we get:

12=2π√(L/9.81)

Squaring both sides and rearranging, we get:

L=(12/π)²×9.81/4

L=11.8 meters (approximately)

Therefore, the length of the rope is approximately 11.8 meters.

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Answer:

See below

Explanation:

X component = 120 * cos 35° =  98.298 m/s

Y component = 120 * sin 35° = 68.829 m/s

Any object launched into space with only gravity acting on it is referred to as a projectile. Gravity is the main force affecting a projectile. The x and y components of the velocity vector are 98.298 m/s and 68.829 m/s.

When a particle is thrown obliquely close to the Earth's surface, it travels along a curving route while experiencing constant acceleration. Always pointing in the direction of the Earth's center is this curving path. Such a particle's motion is referred to as projectile motion, and its trajectory is known as the projectile's trajectory.

The components of the projectile are:

X component = 120 × cos 35° =  98.298 m/s

Y component = 120 × sin 35° = 68.829 m/s

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Answer:

Option A

Explanation:

Nonverbal communications are ambiguous because some times the face expressions (non verbal signals – Sad face or sitting alone gesture of Alejandro) and the verbal signals (communication between Roark and Alejandro) do not match or contradict each other. Some people prefer to believe on their interpretations of the nonverbal  signals as compared to that of the verbal signals

Hence, option A is correct.

Answer:

A. I and V

Explanation:

According to Le Chatelier's Principle, increasing the product side will cause the equilibrium to shift back towards the reactant side, so I is true.  By the same principle, II is false.

For gases, decreasing the pressure will cause the equilibrium to shift towards the side with higher number of moles.  So V is true.

The reaction is endothermic, so increasing the temperature will shift the equilibrium to the products, so IV is false.  And adding a catalyst has no effect on the equilibrium, so III is false.

The changes would result in more reactants being produced will increase NO₂ and decrease the pressure. Then the correct option is A.

The chemical reaction is the reaction between two reactants that led to the formation of products.

The products are substances that form after the reaction. The reactants are the substances that are original materials.

Given the reaction: N₂(g) +2O₂(g) ⇌ 2NO₂(g)

The forward reaction is endothermic. Increasing the product side will cause the equilibrium to shift back towards the reactant side, so I is true.  

By the same principle, II is false.

For gases, the decrease in pressure will shift the equilibrium toward the high number of moles side.  

So V is true.

The reaction is endothermic, so increasing the temperature will shift the equilibrium to the products, so IV is false.  Adding a catalyst has no effect on the equilibrium, so III is false.

The changes would result in more reactants being produced will increase NO₂ and decrease the pressure.

Then the correct option is A.

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Analyzing this equation reveals that the force approaches zero much more quickly. Charges in an electric conductor may not experience any repulsive force from charges that are distant by a medium amount.

There is a force that pushes the electrons inside an uncharged conducting item to the opposite sides of the conductor when it is brought close to a charged insulating object. This indicates that although the charge on the conducting item is neutral, there is a separation of charges in the conducting object when the charged insulating object is present nearby. The conducting object is hence uncharged. When the uncharged conducting object is brought close to the insulating object, there is a force of attraction between them. As a result, the conducting object is under a force. The conductor continues to be uncharged while being applied with force.

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Answer:

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

mass = 6,000 kg

acceleration = 8 m/s²

We have

force = 6,000 × 8 = 48,000

We have the final answer as

Hope this helps you

The  time to drop from 1.3m and velocity after height at 0.7 mis mathematically given as

t1 = 0.515 sec  

v0 = 3.7m/s

Question Parameters:

A 0.045-kg golf ball is dropped from rest.

Is dropped from a height of 1.3m and comes back up at a height of .7m

Generally, the equation for the time to drop from 1.3m   is mathematically given as

yf - yi = vi t + a t^2/ 2

Therefore

0 - 1.3 = 0 - 9.8 t^2 /2

t1 = 0.515 sec  

Hence, after its max height is 0.7 m,

vf^2 - vi^2 = 2 a (yf - yi)

0^2 - (v0)^2 = 2(-9.8)(0.7 - 0)

v0 = 3.7m/s

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Answer:

AD

Explanation:

electromagnetic waves do not need a medium to travel, examples are ultraviolet radiation and infrared radiation.

Answer:

A and D

Explanation:

Just did it

Answer:

Thrust / Lift / Gravity

Explanation:

He must create enough force of thrust to jump for a short time and gravity pulls him back down almost immediately.

Answer:

gravity and resistance, the man is moving so the force is unbalanced

Explanation:

Wavelength affects a wave's energy; the longer its wavelengths, the lesser the energy. Gamma rays therefore have the maximum energy and long radio waves the lowest in the electromagnetic spectrum.

The slowest seismic waves are surface waves. They move at a speed of 1.5 miles per second, or 2.5 km. Surface waves come in two different varieties. Love waves slither from side to side like a snake.

Low-energy photons make up radio waves; microwave photons contain a little more energy as radio waves; infrared photons have much more energy; and the most energetic photons of them are gamma rays.

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The temperature at which a line intersects the x-axis can be determined by setting the dependent variable to zero and solving the equation, while the corresponding volume can be found by substituting the temperature back into the equation and solving for the volume.

In general, when a line intersects the x-axis, it means that the dependent variable (usually represented on the y-axis) has a value of zero.

To find the temperature at which this occurs, we need to identify the equation or relationship between temperature and another variable.

Once we have the equation, we can set the dependent variable (usually volume in this case) equal to zero and solve for the temperature. This will give us the temperature at which the line intersects the x-axis.

To determine the corresponding volume, we substitute the temperature value obtained from the previous step back into the equation and solve for the volume. This will give us the volume corresponding to the temperature at which the line intersects the x-axis.

It's important to note that without specific information about the equation or relationship, we cannot provide numerical values for the temperature or volume.

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Some of the most important elements in the internal environment of an organization are the organizational structure, the organizational culture, and the leadership style.

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Among the options given, "Forestry" is not considered one of the three most anthropogenic sources of greenhouse gas emissions. The correct answer is C. Forestry.

Greenhouse gas emissions refer to the release of gases into the atmosphere that contribute to the greenhouse effect and global warming. While all of the options mentioned - Industry, Transportation, and Energy - are major anthropogenic sources of greenhouse gas emissions, "Forestry" is not typically included among them.

The three primary sources of greenhouse gas emissions are generally recognized as Industry, Transportation, and Energy.

1. Industry: Industrial activities, such as manufacturing, construction, and chemical production, can release significant amounts of greenhouse gases into the atmosphere. These emissions are often associated with the burning of fossil fuels for energy, as well as industrial processes that produce emissions as byproducts.

2. Transportation: The transportation sector, including cars, trucks, airplanes, ships, and trains, is a significant contributor to greenhouse gas emissions. The combustion of fossil fuels in vehicles releases carbon dioxide (CO2) and other greenhouse gases into the atmosphere.

3. Energy: The energy sector, particularly the burning of fossil fuels for electricity generation, is a major source of greenhouse gas emissions. Power plants that rely on coal, oil, and natural gas release CO2 and other greenhouse gases when these fuels are burned.

While forestry can have an impact on the carbon cycle and the sequestration of carbon dioxide through deforestation and forest degradation, it is not typically included among the three most anthropogenic sources of greenhouse gas emissions.

However, it is important to note that land-use changes associated with deforestation can contribute to greenhouse gas emissions indirectly.

In conclusion, among the options provided, "Forestry" is not considered one of the three most anthropogenic sources of greenhouse gas emissions. The primary sources are Industry, Transportation, and Energy.

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Answer:

stars #3

Explanation:

they didn't know it was stars

The knob's moment of inertia is 0.25 Nm.s²

Moment of inertia is an object's resistance to changes in its rotational speed. It is the sum of the products of the object's mass and the square of its distance from the axis of rotation. Moment of inertia depends on the shape and mass distribution of the object, and thus different objects of the same mass can have different moments of inertia. In physics, the moment of inertia is an important property of any physical object, as it is a measure of the object's resistance to angular acceleration.

The moment of inertia of the knob can be calculated using the equation

I = T × (t/ω)

Where T = applied torque

t = time in seconds

ω = angular velocity in radians second⁻¹

Using the values given,

the moment of inertia of the knob is calculated to be:

I = (T × 30)/(15 × 2π)

= 0.25 Nm.s²

This indicates that the knob has a relatively low moment of inertia, meaning that it is able to rotate quickly in response to an applied torque.

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Answer:

a

Explanation:

because red litmus paper turn blues under base or alkaline condition