Why do planents revolve around the sun ?​

What does your model look like and the one it's being compared to?

Answer:

you should prolly put the model

Explanation:

Answer:

Potential energy is energy that is stored in an object or system. It remains unaffected by the environment outside of the object or system. Kinetic energy is the energy of an object or a system's particles in motion.

Explanation:

Answer:

43.3 m/s.

Explanation:

Assuming the potential energy is due to the gravitational potential energy, we can use the conservation of energy to find the kinetic energy:

Total energy = Potential energy + Kinetic energy

Kinetic energy = Total energy - Potential energy

Kinetic energy = 300 J - 40 J = 260 J

However, we need to know the mass of the object to convert the kinetic energy to velocity. We can use the potential energy to find the mass:

Potential energy = mgh

40 J = m(9.81 m/s^2)(300 m)

m = 0.137 kg

Now we can use the kinetic energy to find the velocity:

Kinetic energy = (1/2)mv^2

260 J = (1/2)(0.137 kg)v^2

v^2 = (2*260 J) / 0.137 kg

v = 43.3 m/s (rounded to one decimal place)

Therefore, the kinetic energy is 260 J and the velocity of the object when it reaches the ground is 43.3 m/s.

Answer:

mass 3.67 kg, density 600 kg/m3) is fitted

with lead (density 1.14 * 10^4 kg/m3) so that it floats in water with

0.900 of its volume submerged. Find the lead mass if the lead is fitted

to the block’s (a) top and (b) bottom.

Answer:

0.0469 gal

Explanation:

177.49 ml is 0.17749 L.

So, 0.17749/3.78 gives the answer

The answer is 0.0469 gallons of chocolate milk a cup can hold which contains 177.44 ml of chocolate milk.

A liquid volume measurement that is equivalent to 231 cubic inches or four quarts is known as Gallon.

To calculate gallons of chocolate milk a cup can hold:

Given,

1 ml = 0.001 L

1 gal = 3.78 L

Convert 177.44 ml to liters:

1 Liter = 1000 ml

177.44 ml * 0.001 L/ml = 0.17744 L

Convert liters (L) to gallons (gal):

= 0.17744 L / 3.78 L/gal

= 0.0469 gal

Thus, a cup that contains 177.44 ml. of chocolate milk holds 0.0469 gal.

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Answer:

D. 1.35

Explanation:

Answer:

D. 1.35

Explanation:

0.27/0.2

The correct option to the question is Matter.

Matter makes up everything. matter can be solid, liquid, or gas. matter is made up of atoms, or tiny particles that are the smallest unit of matter.

Moreover, Matter can be described as,

Matter is anything that has occupies space (has mass and volume).

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Answer:

Matter

Explanation:

I took the test Edge 2022

Thought to have been between 10 and 15 kilometers broad, the asteroid's speed during the encounter created the second-largest crater on the planet, which is now 150 kilometers in diameter.

Large, stony rocks called asteroids orbit the Sun. Their diameter ranges from a few to several hundred meters. A meteorite is any piece of an asteroid that survives impact with our planet. The most widely recognized idea for the catastrophic extinction at the end of the Mesozoic Era is the Alvarez hypothesis, which at first caused controversy.

Paul asserts, "Since we've located the crater, we have pretty strong evidence supporting an asteroid impact. It is currently mostly submerged on the ocean floor off the coast of Mexico.

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Answer:

what exactly are the following?

The evidence that scientists have that Mars used to have a magnetic field is this:

B. The atmosphere of Mars contains evidence of a magnetosphere.

Scientists base whatever conclusions they reach on a subject matter on evidence. To reach their conclusion that mars had a magnetic field that protected it, they used a device known as an orbiter to measure the magnetic strength of mars.

Their discovery showed that the magnetic field on Mars was ten times as strong as the earth's field. This gives evidence of the fact that at a certain time, there was a strong magnetic field on Mars.

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#a

#b

\(\\ \bull\tt\longrightarrow Speed=\dfrac{Distance}{Time}\)

Now in case of cal

\(\\ \bull\tt\longrightarrow Speed=\dfrac{100}{15}\)

\(\\ \bull\tt\longrightarrow Speed=6.6m/s\)

The velocity of the ball is 16.9 m/s at 0.53 seconds. The given velocity of 17 m/s is the moving/change in velocity and 0.53 seconds is the given time.

to find the velocity let's 1st find out the acceleration using the formula

a = Change in velocity/time

a = 32.07 m/s²

Velocity = acceleration X Time

Velociy = 32.07 X 0.53

= 16.99 m/s

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The main answer for expressing the function n3/1000 − 100n2 − 100n + 3 in terms of Θ-notation is Θ(n3).

To find the Θ-notation of the given function, we need to determine the highest degree term in the polynomial expression. In this case, the highest degree term is n3/1000.

Since the constant factor (1/1000) does not affect the order of growth, we can simplify the expression to n3.

Therefore, the function is Θ(n3).

Considering the dominant term in the given function, we can express it in Θ-notation as Θ(n^3).

Summary: The function n3/1000 − 100n2 − 100n + 3 can be expressed in terms of Θ-notation as Θ(n3), which represents the order of growth of the function as n cubed.

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Answer:

Alpha decay forms new element with two fewer protons and two fewer neutrons, Beta decay forms new element with one more proton and one fewer neutron. Gamma decay forms NO new element, but now the element has less energy because energy is released as gamma rays.

Explanation:

ANSWER AND EXPLAINATION:
Gamma decay differs from alpha and beta decay in several ways:

1. Particle emitted: In gamma decay, no particles are emitted. Instead, a high-energy photon called a gamma ray is released. Alpha decay involves the emission of an alpha particle, which consists of two protons and two neutrons. Beta decay involves the emission of either a beta-minus particle (an electron) or a beta-plus particle (a positron).

2. Mass and charge: Gamma decay does not change the mass or atomic number of the nucleus since no particles are emitted. Alpha decay reduces the atomic number by 2 and the mass number by 4, as an alpha particle is emitted. Beta decay changes the atomic number, with beta-minus decay increasing it by 1 and beta-plus decay decreasing it by 1. The mass number remains the same in beta decay.

3. Penetrating power: Gamma rays have the highest penetrating power among the three types of decay. They can pass through most materials and require dense shielding (e.g., lead or concrete) to attenuate them. Alpha particles have low penetrating power and can be stopped by a sheet of paper or a few centimeters of air. Beta particles have intermediate penetrating power and can be stopped by a few millimeters of aluminum.

4. Energy release: Gamma decay releases energy in the form of high-energy photons. Alpha decay releases a significant amount of energy since an alpha particle carries substantial kinetic energy. Beta decay releases energy in the form of the kinetic energy of the emitted beta particle.

gamma decay is a process that involves the emission of high-energy photons, while alpha and beta decay involve the emission of particles with mass and charge. Gamma rays have higher penetrating power and do not cause changes in the mass or atomic number of the nucleus, distinguishing them from alpha and beta particles.

A tennis player hits a 56.0 g ball vertically with her racket to warm up for a match.

In this scenario, the tennis player is using the vertical hitting of the ball as a warm-up exercise before the match.

This helps to increase blood flow to the muscles, improve coordination, and prepare the body for the more intense activity of a tennis match.

The mass of the ball, 56.0 g, is given as part of the problem, but there is no information provided about the force or velocity of the hit.

Summary: A tennis player warms up by hitting a 56.0 g ball vertically with her racket, which aids in preparing her body for the match. However, information regarding the force or velocity of the hit is not provided.

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Answer:

most potential is someone in an airplane. second is position A, third is position c, fourth is position D, fifth is position B and least potential is a person standing on the ground.

Explanation:

hopefully you understand what I wrote

No, the sun cannot explain global warming. Global warming is a phenomenon in which the temperature of the Earth's surface and atmosphere is rising continuously due to human activities such as deforestation, burning of fossil fuels, and industrialization.

This increase in temperature cannot be explained only by an increase in solar radiation.There are several factors which contribute to global warming, including greenhouse gases such as carbon dioxide, methane, and water vapor. These gases trap heat in the Earth's atmosphere, which causes the planet's temperature to rise. The sun's radiation does contribute to global warming, but it is not the main cause.

i) To calculate the increase in solar radiation that would cause the Earth to warm up by 1 K, we can use the following formula:ΔS = ΔT / αWhere ΔS is the increase in solar constant, ΔT is the increase in temperature, and α is the Earth's albedo (reflectivity).α = 0.30 is the standard value used for the Earth's albedo.ΔS = ΔT / αΔS = 1 K / 0.30ΔS = 3.33 W/m2So, to explain the increase in temperature of 1 K over the last hundred years, the solar constant would need to increase by 3.33 W/m2.

ii) The observed fluctuation of the solar constant over the past 400 years has been around 0.1% to 0.2%. This is much smaller than the 3.33 W/m2 required to explain the increase in temperature of 1 K over the last hundred years. Therefore, it is unlikely that the sun is the main cause of global warming.

The sun cannot explain global warming. While the sun's radiation does contribute to global warming, it is not the main cause. The main cause of global warming is human activities, particularly the burning of fossil fuels, which release large amounts of greenhouse gases into the atmosphere.

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11.The time at 75° East longitude would be 1 hour and 20 minutes behind. 12.The time at 135° degrees East longitude would be 4 hours ahead. and 13. the time in Lima, Peru (15° South latitude, 75° West longitude) would also be 9:30 AM.

At 2:00 AM at 90° East longitude, the time at 75° East longitude would be 1 hour and 20 minutes behind. This is because for every 15 degrees of longitude, there is a time difference of approximately 1 hour. Since the two longitudes in question have a difference of 15 degrees, we can divide this by 15 to calculate the time difference.

If it is 8:00 PM at 15° East longitude, the time at 135° East longitude would be 4 hours ahead. Similarly, for every 15 degrees of longitude, there is an approximate time difference of 1 hour. Since the two longitudes in question have a difference of 120 degrees, we can divide this by 15 to calculate the time difference.

There is a 7-hour difference** between 105° West longitude and the Prime Meridian (0° longitude). The Prime Meridian, passing through Greenwich, England, serves as the reference point for determining time zones. As one moves westward from the Prime Meridian, each 15 degrees of longitude corresponds to a time difference of approximately 1 hour. Therefore, the time at 105° West longitude would be 7 hours behind the time at the Prime Meridian.

If it is 9:30 AM in New York (41° North latitude, 75° West longitude), the time in Lima, Peru (15° South latitude, 75° West longitude) would also be 9:30 AM. The latitude does not affect the time difference between the two locations. However, since both locations have the same longitude (75° West), they would experience the same local time. The time difference between different latitudes is primarily significant for determining time zones rather than the actual time within a specific time zone.

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The net force acting on the cart can be calculated using Newton's second law, which states that force is equal to mass multiplied by acceleration.

The mass of the cart is not provided, so we cannot calculate the net force accurately without that information. The net force can be determined by multiplying the mass of the cart (in kilograms) by the acceleration (in meters per second squared). Once the mass is known, the net force can be calculated using the formula:

Net force = mass × acceleration

In this case, we are given the acceleration (0.42 m/s^2) but not the mass of the cart. Without the mass value, it is not possible to calculate the net force accurately.

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Loaded tractor-trailer takes about one mile or more to come to a complete stop when traveling at 55 mph.

When referring to a "loaded" vehicle in this context, it typically means a large commercial truck, such as a tractor-trailer or an 18-wheeler. Due to their significant weight and size, loaded trucks have a higher momentum and require a longer distance to stop compared to smaller vehicles. The statement highlights the considerable stopping distance needed by a loaded truck traveling at a speed of 55 mph, which is approximately one mile or more.

The increased stopping distance for loaded trucks is primarily attributed to factors such as their greater mass, momentum, and the time required for the braking system to overcome their inertia. The additional weight carried by the truck affects its braking capabilities, necessitating a longer distance to slow down and come to a complete stop. This emphasizes the importance of maintaining safe distances and allowing ample space when driving near or behind loaded trucks to ensure road safety.

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The sun's escape velocity is roughly 618 km/s.

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To provide the cells with new oxygen and remove carbon dioxide. the circulatory system's component.

Before being circulated to other parts of your body for storage or use, the majority of the nutrients in your meal are absorbed in your small intestine. Nutrients are helped to cross the stomach lining and enter the bloodstream by a certain type of cell.

Billy notices that he wants a BED and BREAKFAST first. He enters and notices a blazing FIRE, a baby grand piano, a large sofa, and cozy ARMCHAIRS. The dog and parrot, in his opinion, are symbols of friendliness and welcome.

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The formula for calculating the force is to multiply the mass of the body by the acceleration of the body.

When we move a body, we apply a force on it and the force that we apply on the body can be calculated by using the standard relation derived from the Newton's second law of motion.

F = dp/dt

P = Mass x Velocity

If the mass of the body is constant.

F = Mass x d(velocity)/dt

F = Mass x Acceleration

So, the formula for calculating the force applied on the body is the product of the mass and acceleration acting on the body.

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I am 95 percent sure the answer in C

Answer: C

Explanation:

Answer:  The difference between velocity and acceleration is that velocity is the current speed while acceleration is the increase in speed.

Explanation:  Hope this helps.

The voltage across the secondary circuit, of the transformer is 46.63 V.

Number of turns in the primary coil, N₁ = 548

Number of turns in the secondary coil, N₂ = 12

Voltage across the primary coil, V₁ = 141 V

The mutual induction law of Faraday is the basis of the transformer. According to Faraday's law of electromagnetic induction, an electromotive force current will induce itself into a circuit whenever there is a change in the magnetic flux that is connected to it.

According to the equation of the transformer,

N₁N₂ = V₁V₂

Therefore, the voltage across the secondary circuit,

V₂ = N₁N₂/V₁

V₂ = 548 x 12/141

V₂ = 46.63 V

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The white disk has a larger radius.

We know that the speed of the coin v = rω where r = radius of the disk and ω = angular speed of the disk.

Now, since both disks rotate at constant speed, ω = constant.

So, v ∝ r

For the black disk, its radius is r, the coins speed is v.

For the white disk, let its radius be R, the coins rotates at a speed V = 4v

We know that v ∝ r.

Since the coin on the white disk has a greater speed, so its radius would be greater.

So, the white disk has a larger radius.

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