The mass of the sun is lost at the rate of 2.0 X 10^9 Kg/s, calculate the power output of the sun in Kilowatts ( speed of light in a vacuum is 3.0 X 10^8 m/s)

Answer: 1.2 x 10^7kg

Explanation:

Volume of tank = length x width x height

Volume = 51 x 20 x 11

Volume = 11220 m^3

Density = Mass/Volume

Density = 1030 kg/m^3

Volume = 11220 m^3

Mass = m

1030 = m/11220

m = 1030 x 11220

m = 11,556,600 kg or 1.2 x 10^7kg

Answer:

solid

Explanation:

it's not liquid, nor gas, so solid.

Answer:

11×10⁵ J

Explanation:

From the question given above, the following data were obtained:

Mass (m) = 1000 kg

Height (h) = 110 m

Acceleration due to gravity (g) = 10 m/s²

Potential energy (PE) =?

The potential energy of the roller coaster can be obtained as follow:

PE = mgh

PE = 1000 × 10 × 110

PE = 11×10⁵ J

Therefore, potential energy of the roller coaster is 11×10⁵ J

Rocket B's speed in relation to rocket A is 0.4c

If the two frames of reference's directions are at odds with one another, the two frames of reference would see the relative speed as the total of their individual speeds. Furthermore, if the motion of the two frames is parallel, relative speed would be seen as the difference between the individual speeds.

The Earth's frame of reference is at rest, but the two rockets passing by are traveling relativistically with respect to Earth.

Since both rockets are moving in the same general direction, rocket B's relative speed to rocket A is equal to the difference between the two rockets' individual speeds.

Speed of rocket A is v = 0.70c

speed of the rocket B is u =0.86c

let,

speed of the rocket B with respect to rocket A is u₁

Now,

u₁ = (u - v) / [(1 - u) * (v / c²)]

u₁ = (0.86 - 0.70) / (1 - 0.86 * 0.70 / c²)

u₁ = 0.16 / (1 - 0.6) = 0.16 / 0.4

∴ u₁ = 0.4c

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Good conductors and bad conductors, also known as insulators, have different properties that make them suitable for various practical applications.

A conductor is a material that allows the flow of electric current, while an insulator (or bad conductor) is a material that resists the flow of electric current.

Good conductors are materials that allow the flow of electric current with low resistance. They are characterized by having a high density of free electrons that can move through the material easily when a voltage is applied. Metals, especially copper, silver, and gold, are good conductors of electricity because they have a large number of free electrons in their outermost atomic shells. Other materials such as aluminum, iron, and graphite are also good conductors, although they may not be as efficient as metals.

Good conductors have a wide range of practical applications in various industries, including electrical wiring, electronics, and energy generation. They are used in everything from electrical cables to electronic devices like smartphones and computers, where their low resistance allows for efficient energy transfer and signal transmission.

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Answer:

Explanation:

Speed multipliers are useful when an object needs to move a further distance or at a higher speed. Some examples are wheels and axles and third class levers. Machines can be either simple or complex. Simple machines are machines that only use one type of machine, such as a lever or an inclined plane.

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I got 30!

The ancient view of an Earth-centered geocentric universe suggested that life elsewhere should be "rare."The ancient view of an Earth-centered geocentric universe was dominated by the belief that the Earth was stationary and located at the center of the universe. Option A.

In this ancient view, the universe consisted of celestial objects like the planets, the sun, and the stars which were all thought to revolve around the Earth in a fixed circular path. According to this ancient view, life elsewhere should be "rare."This view proposed that the Earth was unique and was a special place created by the Gods for the human race.

It was believed that the Earth was protected by the celestial sphere, and it was the only planet in the universe where life existed. However, with modern scientific advancements and technological innovations, astronomers have discovered numerous planets beyond our solar system that could be habitable. As a result, it is now believed that life beyond Earth may not be as rare as the ancient view suggested.  Option A.

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Here are at least five forces that people may exert from the moment they wake up in the morning to the time they go to sleep:

Gravitational force: This force is exerted on our bodies from the moment we wake up in the morning, keeping us grounded to the surface of the earth. Muscular force: As we move and perform daily activities, our muscles exert force to lift, carry, push, or pull objects. Frictional force: This force is exerted when we walk or run, helping us grip the ground and move forward. Air resistance force: As we move through the air, our bodies and clothing experience air resistance, which can affect our movement and speed. Electrical force: Our nervous system relies on electrical signals to communicate with our muscles and organs, which help us perform various actions throughout the day. These forces may vary depending on the activities a person engages in throughout their day, but they all play a role in the functioning of our bodies and the world around us.

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Answer: The speed limit is 15 mph when you come within 100 feet of a railroad crossing and you cannot see the tracks for 400 feet in both directions. You may go faster than 15 mph if the crossing is controlled by gates, a warning signal, or a flagman.

Explanation: hope this helps

Answer:69

Explanatioits funnyn:

Nuclear energy is is used practically for many energy requirements because the reactions are controlled to regulate energy output

Nuclear energy is the energy reaelesed during nuclear relations.

Nuclear energy is a clean form of energy which is available in enormous amounts.

Nuclear energy is is used practically for many energy requirements because the reactions are controlled to regulate energy output.

Therefore, the control of nuclear reactions make the use if nuclear energy possible.

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Answer: A or the reactions are controlled to regulate energy output.

Explanation: did it on edge!

The acceleration of the cheetahs in the standard international units would be 8.938 meters/second².

The rate of change of the velocity with respect to time is known as the acceleration of the object.

As given in the problem a cheetah goes from standing still to running at 60  miles per hour in 3 seconds

1 mile = 1609 meters

60 miles = 60×1609 meters

               =96540 meters

1 hour = 3600 seconds

the initial velocity of the cheetah = 0

the final velocity of the = 96540/3600

                                      =26.8166 meters/seconds

acceleration = (final velocity - initial velocity) /time period

                    =(26.8166 -0)/3

                    =8.938 meters/second²

Thus, the cheetah's acceleration would be 8.938 meters/second².

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Messages are most associated with assertive communication style.

The ability to talk and engage in a way that respects and recognizes the rights and opinions of others while simultaneously standing up for your own needs, wants, and personal boundaries is referred to as assertive communication.

Expressing disapproval of a situation or idea through assertiveness is a powerful and non-confrontational tactic.

According to Pipas and Jaradat (2010), assertive communicators can speak up for their rights (or those of others) in a dignified and honest manner, reducing interpersonal disputes and upholding respect for others.

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Based on the statement that Saturn has about the same surface gravity as Earth, This means: You cannot jump as high on Saturn as on Earth.

The correct answer is option A.

The statement "Saturn has about the same surface gravity as Earth" implies that the gravitational pull experienced on the surface of Saturn is similar to that experienced on the surface of Earth. Based on this information, we can evaluate the given options:

a) You cannot jump as high on Saturn as on Earth: This statement is likely to be true. Since Saturn has a similar surface gravity to Earth, the force of gravity pulling objects towards its surface would be comparable. As a result, it would be more difficult to jump to higher heights on Saturn compared to Earth due to the similar gravitational pull.

b) You can jump about the same height on Saturn as on Earth: This statement is less likely to be true. If the surface gravity of Saturn is similar to Earth, it would require a similar amount of force to jump on both planets. However, other factors such as atmospheric conditions and the composition of the surface may affect the jumping height. Without specific information on these factors, it would be difficult to conclude that jumping heights would be the same.

c) Saturn is less massive than the Earth: This statement is incorrect. The given information states that Saturn has about the same surface gravity as Earth, which implies that the mass of Saturn is similar to that of Earth. Therefore, Saturn is expected to have a comparable mass to Earth.

d) Saturn has about the same mass as the Earth: This statement is likely to be true. If Saturn has a similar surface gravity as Earth, it suggests that the mass of Saturn is approximately equal to the mass of Earth.

e) You can jump higher on Saturn than on Earth: This statement is unlikely to be true. Based on the given information that Saturn has about the same surface gravity as Earth, it implies that the force of gravity on Saturn's surface is comparable to Earth's. Consequently, it would be more challenging to achieve higher jumps on Saturn compared to Earth.

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The general manager target bonus plan includes financial incentives based on achieving specific performance goals.

The general manager target bonus plan is a type of incentive program that rewards managers for achieving specific performance goals. The plan typically includes financial incentives, such as bonuses or profit sharing, that are tied to the achievement of predetermined goals, such as revenue growth, cost reduction, or customer satisfaction.

The plan may also include other performance metrics, such as employee engagement or operational efficiency. By linking financial incentives to specific performance goals, the plan encourages managers to focus their efforts on areas that are critical to the success of the organization and helps align their interests with those of the company. Overall, the general manager target bonus plan is a key tool for motivating and rewarding managers and driving performance improvement within an organization.

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Answer:

A..0,8

Explanation:

1,9>0,8>0,75

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Answer:

direction of the afar and somali people

If a source emits sound at a fixed constant frequency f, and it moves away from the observer at the same time as the observer moves away from the source, the frequency the observer hears is lower than f. Hence option lower than f. is correct.

This is due to the Doppler effect. What is the Doppler effect? The Doppler effect is a phenomenon that occurs when a source of waves, such as sound or light, is moving relative to an observer. The Doppler effect causes the observed frequency of the waves to differ from the emitted frequency when the source and observer are moving relative to each other. This change in frequency is due to the compression or stretching of the waves that occurs as the source moves closer or farther away from the observer.

If a source of sound is moving away from an observer, the sound waves become stretched and the frequency of the sound decreases, resulting in a lower pitch. If the source of sound is moving towards the observer, the sound waves become compressed, causing the frequency of the sound to increase, resulting in a higher pitch. This is the reason why an ambulance siren sounds higher-pitched as it approaches the listener and then drops to a lower pitch as it moves away.

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The new volume is approximately 23.16 L when the nitrogen gas is compressed from 748 mmHg to 725 mmHg at constant temperature.

Use the combined gas law to determine the relationship between a gas's pressure, volume, and temperature:

P1V1/T1 = P2V2/T2

where the gas's starting pressure, volume, and temperature are P1, V1, and T1, and its ultimate pressure, volume, and temperature are P2, V2, and T2.

The equation may be made simpler by saying: since the temperature is constant.

P1V1 = P2V2

Substituting the given values, we get:

725 mmHg × V2 = 748 mmHg × 22.5 L

Solving for V2, we get:

V2 = (748 mmHg × 22.5 L) / 725 mmHg

V2 = 23.16 L

A gas law known as the combined gas law connects a gas's pressure (P), volume (V), and temperature (T). It combines Boyle's law, Charles' law, and Gay-law, Lussac's three additional gas laws.

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Open, flat, and closed universes are the three forms of expanding universes that are theoretically possible. The universe would always grow if it were open.

If the universe were flat, it would also continue to expand indefinitely, but the rate of growth would eventually reduce to zero.

One is the red-shift phenomenon, which shows that the cosmos is expanding. Cosmic microwave background radiation is the second type. The universe's abundance of various elements is the third.

The majority of astronomers think that dark energy is a type of substance with an inverse gravity that repels matter from its vicinity.

Therefore, According to scientific theories, this is what is causing the universe to expand and to push stars, planets, and galaxies apart.

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Gold 7,600 pounds, Silver 83,600 pounds, palladium 3,040 pounds and

Copper 3,040,000 pounds.

What is meant by pounds?

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Answer:

8.6 km

Explanation:

Use Pythagorean theorem

D^2 = 5^2 + 7^2

        = 25 + 49

D = sqrt (74) = 8.6 km

Answer:

hello

Explanation:

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Answer:

Approximately \(7.2\; {\rm m\cdot s^{-1}}\) (rounded up), assuming that this circle is vertical and \(g = 9.81\; {\rm m\cdot s^{-2}}\).

Explanation:

Let \(v\) denote the tangential speed of the ball, and let \(r\) denote the radius of the circle. Since the ball is in a circular motion, the acceleration on this ball would be equal to the centripetal acceleration \(a = (v^{2} / r)\). The net force on this ball would be \(F_{\text{net}} = m\, a = (m\, v^{2} / r)\).

The net force on this ball is also the vector sum of the tension \(T\) in the rope and the weight of the ball \(m\, g\):

\(F_{\text{net}} = (\text{weight}) + T\).

\(T = F_{\text{net}} - (\text{weight})\).

Note that:

\(\| T \| = \|F_{\text{net}} - (\text{weight})\| \le \|F_{\text{net}} \| + \| (\text{weight})\|\).

In other words, the magnitude of tension \(T\) is at most equal to \(\|F_{\text{net}} \| + \| (\text{weight})\| = (m\, v^{2} / r) + (m\, g)\), which happens when weight and net force are in opposite directions.

When the speed of the ball is maximized, the magnitude of tension \(T\) would be at the largest possible value of \(130\; {\rm N}\). Rearrange the equation and solve for speed \(v\):

\(\displaystyle \frac{m\, v^{2}}{r} + m\, g = \|T\|\).

\(\begin{aligned}v^{2} = \frac{r}{m}\, (\|T \| - m\, g) = \frac{r\, \|T\|}{m} - r\, g\end{aligned}\).

\(\begin{aligned}v &= \sqrt{\frac{r\, \|T\|}{m} - r\, g} \\ &= \sqrt{\frac{(1.2)\, (130)}{2.5} - (1.2)\, (9.81)}\; {\rm m\cdot s^{-1}} \\ &\approx 7.2\; {\rm m\cdot s^{-1}}\end{aligned}\).

Explanation:

Option B is correct

Using observations of the atomic hydrogen 21 cm line rotation curves of spiral galaxies determined beyond radii where starlight can be detected.

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(a) The free body diagram for representing all the forces acting on an object.

(b) The force Mr. Seifert is applying to the box to move it forward to the RIGHT is 105 N.

A free body diagram is a graphical illustration of all the forces acting on an object.

The force applied by Mr Seifert is calculated by applying Newton's second law of motion as follows;

F - Ff = ma

where;

The given parameters include;

mass of the cardboard = 40 kg

force of friction = 25 N

acceleration of the cardboard = 2 m/s²

The force applied by Mr Seifert is calculated as follows;

F = Ff + ma

F = 25 N  +    (40 kg x 2 m/s²)

F = 105 N

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Volcanic Island arcs form when an oceanic tectonic plate is subducted below a tectonic plate  taking seawater with it.

Volcanic island arcs occur offshore during volcanoes. They occur due to the subduction of an oceanic plate under another tectonic plate. Volcanic Island arcs occur mostly in ocean basins.

Due to the subduction of oceanic plates under tectonic plates, Island Arcs are found, mostly along the margins of continent.

Hence we can conclude that Volcanic Island arcs Form when an oceanic tectonic plate is subducted below a tectonic plate  taking seawater with it.

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