storms in the south pacific can create waves that travel all the way to the california coast, which are 12,000 km away. how long does it take them if they travel at 18.3 m/s?

In free-fall motion the velocity is given by the following equation of motion:

Where:

Therefore, the velocity increases linearly with time. This happens if the object encounters no air resistance. In the case that there is air resistance the object will reach a terminal velocity.

In the case of distance, this is given by the following equation:

This means that the distance increases with time following a parabolic function.

The most recent view of the atom is the quantum mechanical model of the atom.

We know that the atom is smallest part of the substances that can take part ion a chemical reaction.

An atomic model is a theoretical construct that explains the properties and behavior of atoms, the basic building blocks of matter. The most widely accepted atomic model is the quantum mechanical model, which describes atoms as consisting of a nucleus of protons and neutrons, surrounded by a cloud of electrons.

The electrons occupy energy levels or orbitals, and their behavior is described by the principles of quantum mechanics. The earliest atomic model was proposed by John Dalton in the early 19th century, which was a classical mechanical model.

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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

Answer:

Explanation:

the SI base unit of mass length and time

mass =kg =kilogram

length=m=meter

time=s=second

Answer:

mass: kilogram length: metre time: seconds

Explanation:

The phenomenon of wind blowing across suspended power lines causing them to vibrate at their natural frequency and producing audible sound waves is commonly referred to as an aeolian harp.

When wind flows across a power line, it sets up alternating areas of high and low pressure on either side of the line. These pressure differences can cause the line to vibrate back and forth, much like a guitar string being plucked. If the frequency of the wind-induced vibration matches the natural frequency of the power line, resonance can occur, resulting in a sustained and amplified sound wave.

The sound produced by an aeolian harp can vary in pitch and volume depending on the wind speed and direction, the size and shape of the power line, and other environmental factors. In some cases, the sound can be loud enough to be heard from a significant distance away, leading to complaints from nearby residents.

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Approximately 31.6 times more energy is released in a 6.5 moment magnitude earthquake than in one with mw of 5.5.

In terms of seismic energy, the difference between a 6.5 moment magnitude (Mw) earthquake and a 5.5 Mw earthquake is significant. The moment magnitude scale is logarithmic, which means that each whole number increase represents a tenfold increase in the amplitude of seismic waves and roughly 31.6 times more energy release. In other words, a 6.5 Mw earthquake releases approximately 31.6 times more energy than a 5.5 Mw earthquake.

The moment magnitude scale provides a measure of the total energy released by an earthquake, taking into account the area of the fault that slipped and the average amount of slip along the fault. It is a more accurate and reliable measure compared to the Richter scale, which only considers the amplitude of seismic waves at a specific distance from the earthquake.

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A 9.0-V battery is connected to a lightbulb with a resistor of 100 ohms. The power delivered to a light bulb is 0.81 watts.

In physics, power is the rate at which work is done or energy is transferred. It is a scalar quantity that measures the amount of energy transferred per unit time. The SI unit of power is the watt (W), which is defined as one joule of work per second.

To calculate the power delivered to a light bulb, we can use the formula:

Power = (Voltage)² / Resistance

Here, Voltage = 9.0 V and Resistance = 100 ohms

Substituting these values in the formula, we get:

Power = (9.0 V)² / 100 ohms

Power = 81.0 / 100

Power = 0.81 W

Therefore, the power delivered to the light bulb is 0.81 watts.

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Answer:

B

Explanation:

A P E X

Answer:

i hope this helps!

Explanation:

Artificial Insemination (AI) is an Assisted Reproductive Technology (ART) used worldwide to deposit stored semen directly into a cow or heifer's uterus. It is a tool for improving reproductive performance and genetic quality of livestock.

source: https://nwdistrict.ifas.ufl.edu/phag/2020/05/29/tips-for-successful-artificial-insemination-of-cattle/

Answer:

I'm not 100% sure but I think its Cell membrane

Explanation:

please, correct me if i'm wrong.

Answer:

mental health is thoughts and emotional health is feelings they are both connected by the brain, like trauma it is emotional and mental

Answer:

Explanation:

Difference #1: Processing Information Versus Expressing Emotion

Part of mental health is how well your mind processes and understands information and experiences. In contrast, emotional health involves your ability to manage and express the emotions that arise from what you have learned and experienced.

Difference #2: One Can Thrive While the Other Struggles

An important distinction between mental and emotional health is that you can experience mental health issues while maintaining good emotional health, and vice versa. For example, while struggling with a

mental health problem like having little energy for daily tasks, you can still exhibit emotional health by finding effective ways to manage that lack of energy.

Difference #3: The Scope of the Two Terms

Mental health is not only about how well you understand and process what you experience. It also includes your ability to carefully reason through decisions and maintain a steady, focused attention span. The wide scope of mental health puts it in sharp contrast to emotional health, which has the more focused definition of actively understanding and managing your emotions.

similarities

Mental health gives some damage to the brain and so does emotional

They both lead you to depression

d = vi*t + 0.5*a*t. equation should you use to solve this problem

Speed is the overall distance an item travels in a given amount of time. It is solely based on the size of the moving item. Meter/second is the measurement of speed. A metre per second is the commonly used measurement of speed.

The following is the mathematical formula for speed:

speed equals entire distance / total time

As stated in the challenge, Superman is travelling at 54.5 m/s when he notices a train 850 metres away that is about to crash into a river. In 4.22 seconds, he arrives to the train.

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Answer: In the Newton's ring experiment, the diameter of the 4th dark ring is 0.30 cm and the diameter of the 10th dark ring is 0.62 cm. We can use this information to find the diameter of the 15th dark ring and calculate the wavelength of the light.

Explanation:

In the Newton's ring experiment, the diameter of the 4th dark ring is 0.30 cm and the diameter of the 10th dark ring is 0.62 cm. We can use this information to find the diameter of the 15th dark ring and calculate the wavelength of the light.

a) To find the diameter of the 15th dark ring, we can use the formula for the diameter of the nth dark ring:

d_n = sqrt(n * λ * R)

where d_n is the diameter of the nth dark ring, n is the order of the ring, λ is the wavelength of the light, and R is the radius of curvature of the lens.

Since we want to find the diameter of the 15th dark ring, we can substitute n = 15 into the formula and solve for d_15:

d_15 = sqrt(15 * λ * R)

b) To calculate the wavelength of the light, we can use the formula:

λ = (\(d_10^2 - d_4^2\)) / (\(10^2 - 4^2\))

where d_10 is the diameter of the 10th dark ring and d_4 is the diameter of the 4th dark ring.

Substituting the given values, we have:

λ = (\(0.62^2 - 0.30^2\)) / (\(10^2 - 4^2\))

Simplifying this expression will give us the value of the wavelength of the light used in the experiment.

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The formula for calculating force is:

force = mass x acceleration

The force is 14 Newtons (N).

What is force?

Force is a physical quantity that describes the interaction between two objects, resulting in the acceleration of one or both objects. Force can cause a stationary object to move or change its direction, or it can alter the speed or direction of a moving object. Force is measured in the unit of Newtons (N) and is represented by the symbol F.

In this case, we have a mass of 3.5 kg and an acceleration of 4 m/sec². To find the force, we simply multiply the two values:

force = 3.5 kg x 4 m/sec²

To calculate this, we can use a calculator or do the multiplication by hand. Here's how to do it step-by-step:

Write down the values given in the problem:

mass = 3.5 kg

acceleration = 4 m/sec²

Write down the formula for force:

force = mass x acceleration

Substitute the values given in the problem into the formula:

force = 3.5 kg x 4 m/sec²

Multiply the two values:

force = 14 kg m/sec²

Simplify the unit by replacing kg m/sec² with Newtons (N), which is the unit of force:

force = 14 N

Therefore, the force is 14 Newtons (N).

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After considering the given data we conclude that the wavelength of visible light emitted by a hydrogen atom when its excited electron drops from n = 6 to n = 2 is approximately 102.55 nm.

To evaluate the wavelength (in nm) of visible light emitted by a hydrogen atom when its excited electron drops from n = 6 to n = 2, we can apply the Rydberg formula:
\(1/\lambda = R(1/n_1^{2} - 1/n_2^{2} )\)
Here:
λ = wavelength of the emitted light
R = Rydberg constant \((1.097 *10^7 m^{-1} )\)
\(n_1\) and \(n_2\) = initial and final energy levels of the electron
Applying substitution of the given values, we get:
\(1/lambda = (1.097 * 10^7 m^{-1} )(1/6^{2} - 1/2^{2} )\)
Evaluating for λ, we get:
λ = 102.55 nm
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Porter's Five Forces is a framework used to analyze the competitive intensity and attractiveness of an industry. The five forces are: Threat of New Entrants, Bargaining Power of Suppliers, Bargaining Power of Buyers, Threat of Substitute Products or Services and Intensity of Competitive Rivalry.

Threat of New Entrants: This force considers the ease or difficulty for new competitors to enter an industry. It includes barriers to entry such as high capital requirements, economies of scale, brand loyalty, and government regulations.

Example: The airline industry is known for its high barriers to entry due to the significant capital required to purchase aircraft, establish routes, and secure necessary licenses and permits. Additionally, established airlines often have loyal customer bases and strong brand recognition, making it challenging for new entrants to compete effectively.

Bargaining Power of Suppliers: This force assesses the power suppliers have over the industry in terms of pricing, quality, and availability of inputs. It considers factors such as the concentration of suppliers, uniqueness of their products, and their ability to forward integrate.

Example: In the smartphone industry, major suppliers of components like microchips and display screens hold significant bargaining power. These suppliers provide essential inputs, and their products may have limited alternatives or require specialized manufacturing processes. As a result, smartphone manufacturers must negotiate favorable terms with these suppliers to ensure a reliable supply chain and competitive pricing.

Bargaining Power of Buyers: This force examines the power customers have in influencing prices, demanding better quality or service, and potentially switching to alternative products or suppliers. It considers factors such as buyer concentration, product differentiation, and switching costs.

Example: The retail industry experiences strong buyer power, particularly in highly competitive markets. Customers have access to various options, and their ability to compare prices and products easily through online platforms empowers them to demand competitive pricing, promotions, and high-quality products and services.

Threat of Substitute Products or Services: This force looks at the availability of alternative products or services that can satisfy customer needs. It considers factors such as price-performance trade-offs, switching costs, and customer loyalty.

Example: The rise of streaming services such as Netflix, Amazon Prime Video, and Hulu posed a significant threat to traditional cable and satellite TV providers. These streaming platforms offer a wide range of content at competitive prices, allowing customers to switch from traditional TV services to streaming options, resulting in a decline in subscriber numbers for traditional providers.

Intensity of Competitive Rivalry: This force evaluates the level of competition among existing firms in the industry. It considers factors such as the number and size of competitors, industry growth rate, product differentiation, and exit barriers.

Example: The soft drink industry, dominated by major players like Coca-Cola and PepsiCo, experiences intense competitive rivalry. These companies fiercely compete for market share through advertising campaigns, new product launches, pricing strategies, and distribution channels. The rivalry is further intensified by the high market saturation and the limited scope for differentiation among similar products.

The interconnection of these forces lies in their collective influence on the competitive dynamics and profitability of an industry. Changes in one force can trigger a chain reaction that impacts the others. For instance, a high threat of new entrants may lead to increased competitive rivalry as existing firms strive to defend their market share. Similarly, a strong bargaining power of buyers can limit the pricing power of suppliers and impact their profitability. Understanding these interconnections helps businesses assess the overall attractiveness and competitive landscape of an industry and develop appropriate strategies to thrive within it.

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In todays modern word modern scientists measure and calculate the speed at which the continents are moving using the Global Positioning System (GPS).

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The rower went 3 km upstream with 6km/h speed when  rower travels upstream at 6 km/h and came back to the place where he started at 10 km/h with the total time of 48 minutes to complete journey .

Rower is the person who rows the boat in a stream or river or any water body.

given:

Let x be distance to one way

A rower travels upstream at 6 km/h

back to the starting place at 10 km/h

Total time =48 minutes= 4/5hour

hence

Time upstream + Time downstream = 4/5

which means

x/6+x/10=4/5

now take LCD and multiply both side by LCD i.e. = 30

∴   5x + 3x = 24

∴    8x=24

∴    x=3

Hence , the rower went 3 km upstream with 6km/h speed.

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Answer:

Explanation:

w=F×S

F=mg

F =50×110

F=500N

S=0.1 m

W=500×0.1

W=50j

The magnitude of the work done by the car's brakes to slow the car down is 235,537.5 Joules.

The work done:

W = ΔKE

The change observed in kinetic energy (ΔKE) can be find as:

ΔKE = (1/2) × m × (vf² - vi²)

Where m = mass of the car,

vf = final velocity, and

vi = initial velocity.

Let's replace the given values into the equation:

m = 1,500 kg

vf = 28.6 m/s

vi = 45.9 m/s

ΔKE = (1/2) × 1,500 kg  × ((28.6 m/s)² -  (45.9 m/s)²)

Now, determine the magnitude of the work done:

W = ΔKE

ΔKE = (1/2) ×  1,500 kg ×  ((28.6 m/s)² -  (45.9 m/s)²)

= (1/2) ×  1,500 kg ×  (-314.05 m²/s²)

= -235,537.5 J

The amount of work done by the car's brakes to slow it down is 235,537.5 Joules since the change in kinetic energy is negative (indicates a drop in kinetic energy).

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Answer:

Explanation:

The direction of the vector implies only its angle, not its magnitude. The direction of the vector is found in

\(tan^{-1}(\frac{y}{x})\) so

\(tan^{-1}(\frac{11.1}{-43.0})=-14.5\) but since we are in QII (where x is negative and y is positive) we have to add 180 to this number to get a direction of 165.5 degrees

The type of objects occur in the halo of our Milky Way galaxy are Globular clusters. Correct option is C.

Globular groups, sub-dwarf stars, and RR Lyrae stars with little metal are all found in the stellar halo of the Milky Way. The majority of the stars in our stellar halo are older (more than 12 billion years old) and less metallic than disc stars, but some halo star groups have metal contents that are comparable to disc stars.

Very few, dispersed stars and globular groups reside in the halo. In spiral galaxies, dark matter also resides in the fringe.

The visible part of what is more generally referred to as the galactic halo is the stellar corona of the Milky Way. Dark matter dominates this galactic halo, and the gravity it produces is the only way to detect its existence. Each galaxy has a unique dark matter ring. And the correct option is C.

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Answer:

1. Distance, S = 26.58 meters

2. Acceleration of gravity, g = 58.60 m/s²

Explanation:

1. Given the following data;

Initial velocity = 4.66 m/s

Acceleration = 5.66 m/s²

Time = 2.35 seconds

To find the distance travelled by the object, we would use the second equation of motion;

S = ut + ½at²

Where;

S represents the displacement or height measured in meters.

u represents the initial velocity measured in meters per seconds.

t represents the time measured in seconds.

a represents acceleration measured in meters per seconds square.

Substituting into the equation, we have;

S = 4.66*2.35 + ½*5.66*2.35²

S = 10.951 + (2.83 * 5.5225)

S = 10.951 + 15.629

S = 26.58 meters

2. Given the following data;

Displacement (height) = 1.55 m

Time, t = 0.23 seconds

To find the acceleration of gravity, we would use the following formula;

Height = ½gt²

Substituting into the formula, we have;

1.55 = ½ * g * 0.23²

1.55 = ½ * g * 0.0529

1.55 = 0.02645g

Acceleration of gravity, g = 1.55/0.02645

Acceleration of gravity, g = 58.60 m/s²

Answer:

Kinetic energy is the movement of objects based on their mass and motion

Explanation:

A form of energy that an object or a particle has by reason of its motion. kinectic energy is a property of a moving object or particle and depends not only on its motion but also on its mass

Answer:

300m

Explanation:

step one

given data

initial speed u= 15m/s

final speed v= 45m/s

time taken to attain final speed= 10seconds

Step two:

Let us first solve for the acceleration

a= Δv/t

a= 45-15/10

a=30/10

a= 3m/s

applying the equation of motion

\(v^2=u^2+2as\)

substituting our given data

\(45^2+15^2+2*3*s\\\\2025=225+6s\\\\\)

collect like terms

2025-225=6s

1800=6s

divide both sides by 6

s=1800/6

s=300m

Answer:

-36.4 m/s

Explanation:

final velocity= initial velocity + acceleration x time

7 + (-9.8)(3)= -36.4 m/s

The answer is -36 m/s.

Final velocity= initial velocity + acceleration x time

7 + (-9.8) (3) = -36.4 m/s

Velocity is the directional speed of an object in motion as an indication of its rate of change in position as observed from a particular frame of reference and as measured by a particular standard of time.

Instantaneous velocity refers to an object's velocity at an exact moment in time. Acceleration is the change in the velocity of an object, either as it increases or decreases. Acceleration is also a vector and will have both a value and a direction.

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just add for distance

for displacement:

parallel: add if the direction is the same

               subtract  if different

perpendicular:  find the hypothness

distance     displacement

6                    2m north

6                     2m west

10                  5√2m southwest

12                  2√26m nothwest

6                     6m east

7                      5m northeast

14                     10m southeast

21                       15m northwest

Answer:

hjiuhimnmuyy8 ny87ny7y7y

Explanation:

The interiors of Saturn and Jupiter contain a large amount of large metallic hydrogen because liquid hydrogen transforms into liquid metallic hydrogen as one descends, reaching a depth of 12,000 kilometers as the radius of Jupiter is 71,000 kilometers the hydrogen is below the cloud layers.

Helium and hydrogen make up the majority of the atmospheres of Jupiter and Saturn. The hydrogen changes from a high-pressure gas to liquid hydrogen a few hundred kilometers below the cloud levels. It would take some fairly intense pressures to create this on Earth, but it is possible. It's a component of rocket fuel.

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Answer:

The scattering angle is 0.80

Explanation:

As we know  

Wave length = h/mc (1-cos α) --1

W = mc^2

m = E/c^2

Substituting this in equation 1 we get  

Wavelength = hc/E (1-cos α)

Substituting the given values, we get -  

0.95*10^-9 = [(6.626 *10^-34 * 2.998 *10^8)/5.111*1000*1.6*10^-19} (1-cos α)

(1-cos α) = 1.14 *10^-10

cos α = 1- 1.14 *10^-10

α = 0.80