Which of the following are common forms of energy released by electrons dropping from heightened energy levels?

Answer:

 q1 = q₂=  -3

therefore each sphere has the same charge of -3 untis

Explanation:

The metallic spheres have mobile charge, so when the two spheres come into contact the total charge

           Q_total = q₁ + q₂

           Q_total = -2 -4

          Q_total = -6 units

it is distributed in between the two spheres evenly since the charges of the same sign repel each other.

When the spheres separate each one has

            q₁ = -6/2

            q1 = q₂=  -3

therefore each sphere has the same charge of -3 untis

1. Reducing Carbon Entering: Planting more trees at the location is an effective way to reduce the amount of carbon at this location.

Carbon is an element found in abundance in the Earth's atmosphere and is one of the most abundant elements in the universe. Carbon is a key component of all living organisms and serves as the backbone of life on Earth. Carbon exists in several different forms, including coal, oil, natural gas, and diamonds, and can be found in many other materials, such as plastics, paper, and fabrics.

Trees absorb carbon dioxide from the atmosphere and use it to produce oxygen through photosynthesis. This process helps to reduce the amount of carbon entering the location.
2. Increasing Carbon Exiting: Installing solar panels at the location is an effective way to increase the amount of carbon exiting the location. Solar panels convert solar energy into electricity, releasing carbon dioxide into the atmosphere during the process. This helps to reduce the amount of carbon at the location by releasing it back into the atmosphere.

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According to the law of reflection, when a light wave hits a smooth surface, the angle of reflection is equal to the angle of incidence. Therefore, if the angle of incidence is 40 degrees, the angle of reflection will also be 40 degrees.

The law of reflection states that the angle of incidence (the angle between the incident light ray and the normal to the surface) is equal to the angle of reflection (the angle between the reflected light ray and the normal to the surface). This law holds true for smooth surfaces, such as mirrors or still water.

In this case, when a light wave hits a smooth surface at an angle of incidence of 40 degrees, the angle of reflection will also be 40 degrees. The incident light ray and the reflected light ray will be on opposite sides of the normal to the surface, forming an equal angle with it.

Understanding the law of reflection is crucial in various applications, including optics, image formation, and the study of light behavior. It allows us to predict and analyze the behavior of light rays when they encounter reflective surfaces, enabling us to understand how images are formed and how light interacts with different materials.

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John's hand can receive a shock without even touching the doorknob. The electromagnetic field between his palm and the doorknob grows as he approaches it, resulting in a spark jumping between them.

The user can direct the movement of John Travoltage's body parts in the simulation, which makes him develop a static charge. The electric field between John's charged body and the doorknob grows as he approaches it. The air molecules between John's hand and the doorknob can be ionised if the electric field gets high enough, which will result in a spark jumping between them. The shock is brought on by this, not by John's hand actually touching the doorknob. Electrostatic discharge (ESD) is a phenomena that can happen whenever an object accumulates static charge in the presence of a strong electric field.

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Answer:

my answer to that question was c

Explanation:

Answer:

False.

Explanation:

Behavior modification is a therapeutic process that is focused on changing any undesirable negative behavior in an individual through the use of positive or negative consequence and biofeedback.

This simply means that, behavior modification typically involves the process in which a desired behavior is reinforced while withholding reinforcement for any undesired behaviors.

Behavior modification is typically based on operant conditioning principles, through negative or positive reinforcement, undesirable behaviors developed by an individual are mainly replaced with more desirable ones.

Hence, behavior modification can be used to correct human behaviors or disorders such as enuresis (bed-wetting), Obsessive-Compulsive Disorder (OCD), generalized anxiety disorder, Attention-Deficit/Hyperactivity Disorder (ADHD), phobias, etc.

However, behaviors can still come back or be exhibited by an individual even if they have been extinguished through operant conditioning.

Operant conditioning can be defined as an associative learning process which involves reinforcing the strength of a behavior.

Answer:

Flase

Explanation:

edge2021

Answer:

Explanation:

Acceleration is the time rate of change, or the rate, of the velocity. Therefore, the slope y/x of a speed vs time graph would give the acceleration. If the acceleration is said to be positive, the graph would be a straight line that is at a constant increase over time.

HERE'S YOUR ANSWER

Explanation:

Antimatter is a material composed of so-called antiparticles. It is believed that every particle we know of has an antimatter companion that is virtually identical to itself, but with the opposite charge. For example, an electron has a negative charge.

Answer:

The unit of measurement of work is Nm which is also called as Joule and written J.

work done by the body builder against gravity = 3920J

Explanation:

work = force x displacement

force on barrel = 200 x gravity = 200 x 9.8 = 1960 N

displacement = 2m

work done against gravity = 1960 x 2 = 3920 J

The line perpendicular to the surface on which the light is incident is known as the normal line.

The angle of incidence (angle of reflection/ angle of refraction/ the angle of emergence) is the angle made by the incident ray (reflected ray/ refracted ray/ emergent ray) with the normal line.

Answer:

The mass of an object affects gravity.

Explanation:

Answer:

The mass of an object affects gravity.

Explanation:

Answer:

Because water is wet

Explanation:

Water is wet

This is an exercise in Rectilinear Uniformly Varied Motion (MRUV) is a type of motion in which an object moves in a straight line and experiences changes in its velocity at a constant rate. In this type of motion, the acceleration of the object remains constant over time.

The distinctive feature of the MRUV is that the velocity of the object changes uniformly, that is, its velocity increases or decreases by a constant amount in each unit of time. If the object experiences a positive acceleration, its velocity increases with time. On the other hand, if the object experiences a negative acceleration, its speed decreases.

In an MRUV, constant acceleration has a direct impact on displacement and the time it takes for the object to reach a certain speed. Also, the direction of the acceleration determines whether the object is accelerating or decelerating relative to its initial motion.

This type of movement is found in various situations of daily life, such as the launch of an object upwards and its subsequent fall, the movement of cars on a road with acceleration or braking, or even the study of bodies in free fall.

Vf = V₀ + a × t

Where:

In this case, the initial velocity (vi) is 1 m/s, the acceleration (a) is -1 m/s^2 (negative because it indicates deceleration), and the time (t) is 4 seconds.

Substituting these values into the formula, we get:

Vf = V₀ + a × t

Vf = 1 m/s + (-1 m/s²) × 4 s

Vf = 1 m/s - 4 m/s

Vf = -3 m/s

The mountain or orographic lifting mechanism has acted on the air parcel, causing it to rise and cool adiabatically as it moves up and over the mountain.

A mountain presents a physical barrier that pushes an air parcel to ascend when it rises over it. Orographic lifting is the term for this procedure. The parcel undergoes a drop in pressure as it rises, which causes adiabatic cooling. The air parcel cools due to adiabatic expansion as it climbs, which causes a decrease in temperature.

The dry adiabatic lapse rate, which measures the temperature drop as 10°C per 1000 metres of climb, is used to describe this phenomenon. The air's ability to condense and form clouds in response to cold may also result in precipitation.

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Orographic lifting mechanism has been used.

Orographic lift of moist air coming off the ocean produces clouds along the Santa Lucia Mountains south of Monterey, California, USA (Credit: NOAA). As an example, the North Shore mountains immediately north of Vancouver often experience heavy rain and snowfall due to orographic uplift.

Detailed Answer - Hi! The lifting mechanism that has acted on the air parcel as it rises over a mountain and cools adiabatically is called Orographic Lifting. This occurs when an air mass is forced to rise over elevated terrain, such as a mountain, causing it to cool and potentially form clouds or precipitation.

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A. Different magmas generated in various places are isolated from one another. This assertion is untrue since magmas can interact with one another and mix.

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Answer:

average velocity = -0.65 m/s

​

average speed = 0.65 m/s

​

Explanation:

Answer:

women... men

Explanation:

Answer:

c. women... men

Explanation:

edge 2021

Answer:

the normal human body temperature in Celcius is 37°C, in Fahrenheit is 98.6°F, in Kelvin is 310°K

Answer:

F = 39.2 N

Explanation:

Since, the object is in uniform motion. Therefore, the frictional force on object will be:

Frictional Force = μk N = μk mg

where,

μk = coefficient of kinetic friction = 0.2

m = mass of crate = 10 kg

g = 9.8 m/s²

Therefore,

Frictional Force = (0.2)(10 kg)(9.8 m/s²)

Frictional Force = 19.6 N

The horizontal component of force must be equal to this frictional force to continue the uniform motion:

F Sin 30° = 19.6 N

F = 19.6 N/Sin 30°

F = 39.2 N

The train has a mass of 35000 kg, and Superman has a mass of 112 kg. If the train has a velocity of 46 m/s.Superman would need to fly with a velocity of approximately 14375 m/s in the opposite direction to stop the train in a totally inelastic collision.

In a inelastic collision, the two objects stick together and move with a common final velocity. To stop the train, Superman needs to exert a force on the train in the opposite direction of its motion.

To find the final velocity of the combined system (train and Superman), we can use the principle of conservation of momentum. The initial momentum of the system is equal to the final momentum of the system.

The initial momentum of the train is given by:

Momentum_train_initial = mass_train × velocity_train

initial momentum of Superman is given by:

Momentum_Superman_initial = mass_Superman × velocity_Superman

Since the two objects stick together and move with a common final velocity, the final momentum of the combined system is given by:

Momentum_final = (mass_train + mass_Superman) × velocity_final

According to the principle of conservation of momentum, the initial momentum of the system is equal to the final momentum of the system.

Momentum_train_initial + Momentum_Superman_initial = Momentum_final

mass_train × velocity_train + mass_Superman × velocity_Superman = (mass_train + mass_Superman) × velocity_final

Plugging in the given values:

mass_train = 35000 kg

velocity_train = 46 m/s

mass_Superman = 112 kg

35000 kg × 46 m/s + 112 kg × velocity_Superman = (35000 kg + 112 kg) × velocity_final

Simplifying the equation:

1610000 kg·m/s + 112 kg × velocity_Superman = 35112 kg × velocity_final

Since we want the final velocity of the combined system to be 0 m/s (to stop the train), we can set velocity_final = 0 m/s. The equation becomes:

1610000 kg·m/s + 112 kg × velocity_Superman = 0

Now we can solve for the velocity_Superman:

112 kg × velocity_Superman = -1610000 kg·m/s

velocity_Superman = (-1610000 kg·m/s) / 112 kg

velocity_Superman ≈ -14375 m/s

Therefore, Superman would need to fly with a velocity of approximately 14375 m/s in the opposite direction to stop the train in a totally inelastic collision.

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The height of the building using second equation of motion is 35.721 m

What is the second equation of motion?

In kinematics, equations of motion are referred to as the fundamental principles of an object's motion, including velocity, location, and acceleration that occur at variable time intervals. These three motion equations control motion in all three dimensions of an item.

Second equation of motion: s = ut +  a(t^2)/2

where,

s = displacement

u = initial velocity

v = final velocity

a = acceleration

t = time of motion

Given, a = 9.8 m/s/s

           t = 2.7 s

Using this equation we find the height of the building,

s = ut +  a(t^2)/2

  = 0 + 9.8 x 2.7 x 2.7/2

  = 71.442/2

  = 35.721 m

Hence, the height of the building is 35.721 m

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The ultraviolet radiation should contain the characteristics of the higher frequency.

Ultraviolet (UV) radiation should be a form of unionized radiation that should be emitted from the sun and from artificial sources. Also, it resulted in the risk related to the health in terms of human skin & eyes. It includes the high frequency that represents it contains more energy at the time of emission. Also, it does not consider the high speed, long period, and long wavelength.

Therefore, the correct option is A.

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The light waves reflected by a blue object differ from those reflected by a red object in their wavelengths and frequencies.

When light waves interact with an object, the object absorbs some wavelengths and reflects others.

A blue object reflects light waves with shorter wavelengths and higher frequencies, typically around 450-495 nanometers.

On the other hand, a red object reflects light waves with longer wavelengths and lower frequencies, usually around 620-750 nanometers.

Summary: Blue objects reflect shorter wavelength, higher frequency light waves, while red objects reflect longer wavelength, lower frequency light waves.

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Answer: B.

Explanation: trust me its B

Answer:

B

Explanation:

selenium is the right answer.

The transformer operates based on the principle of electromagnetic induction this equation shows that the primary coil has twenty-two times as many turns as the secondary coil.

Let's denote the number of turns in the primary coil as Np and the number of turns in the secondary coil as Ns.

The transformer operates based on the principle of electromagnetic induction, which states that the ratio of the number of turns in the primary coil to the number of turns in the secondary coil is equal to the ratio of the input voltage to the output voltage. Mathematically, this can be expressed as:

Np / Ns = Vin / Vout

In this case, the input voltage (Vin) is 220 V and the output voltage (Vout) is 10 V. Substituting these values into the equation, we get:

Np / Ns = 220 / 10

Simplifying further:

Np / Ns = 22

This equation shows that the primary coil has 22 times as many turns as the secondary coil.

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Answer:

λ = 75 µm, correct is A

Explanation:

In waves, speed is related to wavelength and frequency

          c = λ f

          λ = c / f

in this exercise indicate the frequency of rationality

          f = 4 THz = 4 10¹² Hz

let's calculate

        λ = 3 10⁸/4 10¹²

        λ = 7.5 10⁻⁵ m = 75 10⁻⁶ m

        λ = 75 µm