If your car tachometer says your engine is moving at 1200 RPM, then what is it's angular velocity in Rad/sec?

A solar system is a system in which the sun serves as the parent star and everything revolves around it. Everything also includes all planets, all moons, all asteroids, and all comets.

The gravitationally system comprising the Sun and the satellites in its orbit is referred to as the Solar System. The gravitational collapse of a massive interstellar molecular cloud gave it birth 4.6 billion years ago. The Sun has the great majority of the system's mass, with Jupiter holding the majority of the remaining mass.

The first four plants are referred to as terrestrial/Inner planets in our solar system. The asteroid belt is ahead of them. Mars, Venus, Mercury, and Earth are the planets.

Jovian/giant/outer planets are the planets that follow the asteroid belt in the solar system. Their atmosphere is dense and primarily made of hydrogen and helium. Jupiter, Saturn, Uranus, and Neptune are the planets after asteroid belt.

Hence, the sun, 8 planets, 63 moons, as well as millions of other minor bodies like asteroids and comets, as well as enormous amounts of dust and gases, make up the solar system.

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The half-life of 40K is approximately 1.3 billion years. Given a ratio of 40Ar/40K as 3/1 in a granite sample, we can estimate the age of the sample by understanding the decay process.  Based on the given 40Ar/40K ratio, the age of the sample is approximately 650 million years.

Since the half-life of 40K is 1.3 billion years, this means that after each half-life, half of the 40K atoms will have decayed into 40Ar. Therefore, if the ratio of 40Ar/40K is 3/1, it suggests that three-quarters (or 75%) of the original 40K atoms have decayed into 40Ar.

To determine the age, we can calculate the number of half-lives that have occurred based on the remaining 25% of 40K. Since each half-life is 1.3 billion years, dividing the remaining 25% by 50% (half) gives us 0.5. Thus, the sample has undergone 0.5 half-lives.

Multiplying 0.5 by the half-life of 1.3 billion years gives us an estimated age of 0.65 billion years, or 650 million years, for the granite sample.

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Answer:

b. Photosynthesis

Explanation:

This because it is an irreversible process.

\(.\)

Answer:

Measurement scales are used to categorize and/or quantify variables. This lesson describes the four scales of measurement that are commonly used in statistical analysis: nominal, ordinal, interval, and ratio scales.

Hope I helped let me know if I didn't

The first two steps for finding the magnitude of the resultant vector is find the sum of the two horizontal vectors and the sum of the two vertical vectors.

The resultant of two vectors is determined from Pythagoras theorem is as shown below.

R² = a² + b²

Thus, the first two steps for finding the magnitude of the resultant vector is find the sum of the two horizontal vectors and the sum of the two vertical vectors.

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Answer:

500 meters

Explanation:

Sound travels faster in warmer air because the air particles have more kinetic energy. The highest temperature air is found at the lowest altitude, therefore 500 meters is the elevation that sound travels the fastest from the options provided.

Answer:

500 meters

Explanation:

Respuesta:

7,6 Ω

Explicación:

Paso 1: Información dada

Paso 2: Hallar la resistencia (R) a 100 °C

Podemos ver la relación entre la resistencia de un material y la temperatura usando la siguiente ecuación.

R = R₀ (1  + α × ΔT)

R = 6 Ω (1  + 0,00392 °C⁻¹ × (100 °C - 30 °C)) = 7,6 Ω

the work done on the object is 20000 J.

The conversion factor from horsepower to watts is 1 hp = 746 watts.

Therefore, the Ford Shelby GT 500's horsepower of 760 hp can be converted to watts as follows:

760 hp × 746 watts/hp = 567760 watts

To convert horsepower to watts, you simply need to multiply the number of horsepower by the conversion factor of 746 watts/hp.So, the numeric answer for 760 hp in watts is 567760.

According to the work-energy principle, the work done on an object is equal to the change in kinetic energy. Mathematically, the work-energy principle can be represented as follows:

W = ΔKHere, W represents the work done on the object, and ΔK represents the change in kinetic energy of the object.

The change in kinetic energy can be calculated using the following formula:

ΔK = (1/2)mvf² - (1/2)mvi²

Here, m represents the mass of the object, vi represents the initial velocity of the object, and vf represents the final velocity of the object. In this case, the object is initially at rest (vi = 0), so the formula can be simplified to

:ΔK = (1/2)mvf²

Now, we can use the following kinematic equation to calculate the final velocity of the object:

vf² = vi² + 2ax

Here, a represents the acceleration of the object, x represents the displacement of the object, and vi represents the initial velocity of the object. Plugging in the given values, we get:

vf² = 0 + 2(10 m/s²)(30 m - 10 m)vf² = 400 m²/s²vf = 20 m/s

Now, we can plug in the values of m and vf to calculate the change in kinetic energy:

ΔK = (1/2)(100 kg)(20 m/s)²ΔK = 20000 JSo, the numeric answer for the work done on the object is 20000 J.

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Answer:

152,155 J

Explanation:

115,333 + 36,822 = 152,155J

A leaky faucet drips once each second, we need to find out the time it will take for it to leak 500ft³ if 20 drops = 1 ml is as follow:

Step-by-step drop = 1/20 ml

Therefore, 1 ml = 20 drops

We need to find the volume of 500ft³ in ml:1 ft³ = 28.32 L1 L = 1000 ml

Therefore, 1 ft³ = 28.32 × 1000 ml500 ft³ = 14,160,000 ml

The number of drops in 14,160,000 ml = 14,160,000 × 20 = 283,200,000 drops Per second, the leaky faucet drips once.

Now calculating time:

Therefore, in a minute (60 seconds), it drips 60 times.

In an hour (60 minutes), it drips 60 × 60 = 3600 times.

In a day (24 hours), it drips 24 × 3600 = 86,400 times.

The number of days it will take to leak

500ft³ = 14,160,000 ml ÷ 86,400 drops/day

= 163.89 days or approximately 164 days.

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Answer:

 freezing melting sublimating  x y

 x and

Explanation:

To drop a table of states of matter the best headings must be

table name: matter state

    freezing melting sublimation x y

This order goes from the solid state to the gaseous state, which is obtained by introducing heat into the system

Answer: D on edge

X: Heat Is Absorbed

Y: Heat Is Released

Explanation:

sublimation and melting are both absorbing heat(aka getting warmer)as they change state while freezing and deposition are releasing heat(aka getting colder)as they change state

Answer:

gravity can help us walk

Explanation:

i know cuz we are able to walk

Answer:

The answer is b.Protons

Answer:

48.96V

Explanation:

Given parameters:

Resistance  = 68Ω

Current  = 0.72A

Unknown:

Voltage  = ?

Solution:

According to ohm's law;

           V = IR

V is the voltage

I is the current

R is the resistance

  Now insert the parameters and solve;

      V  = 68 x 0.72 = 48.96V

2m/s is the average velocity of the particle.    

Velocity of an object can be defined as the change of distance divided by time it's SI unit is metre per second formula v= d/t.

here we have given that the time taken by the particle is 9s and the displacement is 18m/s

so by applying the given data in the formula

v=d/t

=18/9

=2m/s

so from here we can state that for a object or a paricle with a displacement of 18m and the time taken by it is 9 s the velocity of that will be v=d/t that is 18/9 which is 2m/s.

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Given that the time between when the marathon runner changes her velocity and the finish line is t, the acceleration of the runner approaching the finish line is 0.22/t m/s² .

The acceleration of a body is the change in the velocity of a body with time.

Acceleration is a vector quantity as it takes into account the change in velocity as well as the change in the direction of the body.

Hence, a body is accelerating if either or both of these two conditions apply:

Mathematically;

The change in velocity of a body = Final velocity - initial velocity

Change in velocity of the runner = 4.17 - 3.95

Change in velocity of the runner = 0.22 m/s

Time taken for this change = t

Hence;

acceleration = 0.22/t m/s²

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The suitable dimensions for tied and spiral columns of Required loads, Stresses, Gross area, Area of steel are 1142.86 kN, 12.6 MPa, 90.89 m².

The required loads can be determined by dividing the factored load by the appropriate load factor. For this example, let's assume a load factor of 1.4. Required loads = Factored load / Load factor

= 1600 kN / 1.4

= 1142.86 kN

Determine the allowable stresses: a concrete compressive strength of fc' = 28 MPa, the allowable compressive stress (fa) can be calculated using the formula:

= 0.45 * 28 MPa

= 12.6 MPa

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Answer:

6.35hours

Explanation:

s=vt

t=s/v=502/79=6.35hours

Answer:

false plz mark brainliest

The 1.3μm optical communication system consists of an LED source, a 15 km fiber optic cable with attenuation, splices and connectors, resulting in a total loss of 22.1 dB and a received power of \(1.43 * 10^{(-11)\) mW at the detector.

Here is a simple illustration of the 1.3μm light wave optical communication system you described:

The system consists of a light source, a fiber optic cable, and a detector. The light source is an LED with an average power of 0.2XX mW. The fiber optic cable is 15 km long and has an attenuation of 1.45 dB/km. The system has splices at every 2.5 km with a loss of 0.20 dB. The connectors have a loss of 1 dB each. The safety margin is 4 dB.

The total loss of the system is calculated as follows:

Total loss = Fiber attenuation + Splice loss + Connector loss + Safety margin

= 1.45 dB/km * 15 km + 0.20 dB/splice * 6 splices + 1 dB/connector * 2 connectors + 4 dB

= 22.1 dB

The received power at the detector is calculated as follows:

Received power = Transmitted power *\((10^{(-Loss/10)})\)

=\(0.2XX mW * (10^{(-22.1/10)})\)

=\(1.43 * 10^{(-11)} mW\)

This is a very small amount of power, but it is still enough to be detected by the detector.

The system can be improved by using a more powerful light source, a lower-loss fiber optic cable, and connectors with a lower loss. The safety margin can also be reduced, but this will increase the risk of errors.

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Answer:

2 more neutrons

Explanation:

To obtain the answer to the question, let us calculate the number of neutrons in carbon–14 and standard carbon (i.e carbon–12). This can be obtained as follow:

For carbon–14:

Mass number = 14

Proton number = 6

Neutron number =?

Mass number = Proton + Neutron

14 = 6 + Neutron

Collect like terms

14 – 6 = Neutron

8 = Neutron

Neutron number = 8

For carbon–12:

Mass number = 12

Proton number = 6

Neutron number =?

Mass number = Proton + Neutron

12 = 6 + Neutron

Collect like terms

12 – 6 = Neutron

6 = Neutron

Neutron number = 6

SUMMARY:

Neutron number of carbon–14 = 8

Neutron number of carbon–12 = 6

Finally, we shall determine the difference in the neutron number. This can be obtained as follow:

Neutron number of carbon–14 = 8

Neutron number of carbon–12 = 6

Difference =?

Difference = (Neutron number of carbon–14) – (Neutron number of carbon–12)

Difference = 8 – 6

Difference = 2

Therefore, carbon–14 has 2 more neutrons than standard carbon (i.e carbon–12)

The total energy of the body at evevry point is remained same due to the law of conservation of energy. Distance from A to B and final velocity of the ball just reach before C is 44.3 m/s.

d (distance) from A to B is = √2gh

In this case given are, g = 9.8 m/s² and h = 100m,

so here d = √(2⋅9.8⋅100) = 44.3m.

Final velocity ,v = √2gh

Here given are , v is the velocity, g is the acceleration due to gravity, and h is the height. In this case,

g = 9.8 m/s² ,h = 100m,

v = √(2⋅9.8⋅100)

= 44.3 m/s (final velocity)

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The following statements apply:

- The Zeeman effect is the splitting of spectral lines.

- The size of the splitting tells us the intensity of the sun's local magnetic field.

The Zeeman effect is the splitting of spectral lines when the source of light (e.g., a star) is placed in a magnetic field. It tells us about the strength of the local magnetic field on the star, and can be used to study magnetic fields in stars and other celestial objects.

Therefore, the statements that apply are:

- The Zeeman effect is the splitting of spectral lines.

- The magnitude of the splitting tells us the strength of the local magnetic field on the sun.

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To calculate the amount of fuel needed, we can use the concept of conservation of momentum. The change in velocity can be achieved by expelling mass at a specific exhaust velocity.

First, let's calculate the initial momentum of the spaceship:

Initial momentum = mass * velocity

Initial momentum = 6000 kg * 500 m/s

Initial momentum = 3,000,000 kg·m/s

To achieve a final velocity of 600 m/s, the spaceship needs to increase its momentum by:

Change in momentum = mass * change in velocity

Substituting the given values:

Change in momentum = mass * (final velocity - initial velocity)

Change in momentum = 6000 kg * (600 m/s - 500 m/s)

Change in momentum = 6000 kg * 100 m/s

Change in momentum = 600,000 kg·m/s

Now, let's determine the amount of fuel needed by considering the exhaust velocity. The change in momentum is equal to the momentum gained by the expelled fuel:

Change in momentum = expelled mass * exhaust velocity

Substituting the given values:

600,000 kg·m/s = expelled mass * 1.5 km/s

To convert the exhaust velocity to m/s:

1.5 km/s = 1500 m/s

Now we can solve for the expelled mass:

expelled mass = change in momentum / exhaust velocity

expelled mass = 600,000 kg·m/s / 1500 m/s

expelled mass = 400 kg

Therefore, the spaceship would need 400 kg of fuel to increase its velocity from 500 m/s to 600 m/s with an exhaust velocity of 1.5 km/s.

F = k * (\(q_1\)\(q_2\))/\(r^{2}\), where F is the strength of the electrostatic force, k is Coulomb's constant (9X\(10^{9}\) N*\(m^{2}\)/\(C^{2}\)), \(q_1\) and \(q_2\) are the charges, and r is the distance between the charges in meters.

What is Magnetic Force?

Magnetic force is a fundamental force of nature that is exerted between moving charged particles, such as electrons or between a magnetic field and a moving charge. This force can cause a magnetic material to experience a force of attraction or repulsion depending on its orientation with respect to the magnetic field.

Using the Gizmo to check, we can input two charges and a distance of 10 meters to calculate the electrostatic force between them. The result should match the output of the equation F = k * (\(q_1\)*\(q_2\))/\(r^{2}\).

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The distinguishing characteristic of ordinary matter is that it's made of atoms, which consist of protons, neutrons, and electrons.

Ordinary matter, also known as baryonic matter, is primarily composed of atoms that contain protons, neutrons, and electrons.

Protons and neutrons form the atomic nucleus, while electrons orbit the nucleus.

These subatomic particles give matter its unique properties and allow it to interact through fundamental forces such as electromagnetism and gravity.

Ordinary matter makes up stars, planets, and living organisms, and is responsible for the observable structures and phenomena in the universe.

However, it only constitutes about 5% of the total mass-energy content of the universe, with dark matter and dark energy making up the rest.

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Answer:

When sunlight strikes a solar panel what form of energy is transformed to?

Solar radiation may be converted directly into electricity by solar cells (photovoltaic cells). In such cells, a small electric voltage is generated when light strikes the junction between a metal and a semiconductor (such as silicon) or the junction between two different semiconductors.

Explanation:

When a hybrid car brakes to a stop, much of its kinetic energy is transformed into different forms of energy. One of the primary forms of energy that is produced during this process is heat. As the brakes of the car are applied, the friction between the brake pads and the wheels creates heat. This heat is then dissipated into the air around the car, resulting in a loss of energy.

Hybrid cars are designed to capture some of this lost energy and convert it into useful forms of energy that can be used to power the car. In many cases, the kinetic energy that is lost during braking is converted into electric potential energy, which is then stored in the car's battery. This energy can then be used to power the car's electric motor, which in turn can help reduce the car's overall fuel consumption.

It is through the conversion of kinetic energy into electric potential energy or the conversion of energy into work, hybrid cars are a great example of how technology can be used to improve the efficiency of vehicles and reduce their environmental impact.

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Water droplets that act as prism are phenomenon known as : b) rainbow.

When light enters water droplet and is refracted, it is dispersed into its component colors due to difference in the index of refraction of each color of light. This results in band of colors in the shape of arc with red on outer edge and violet on inner edge, with other colors of spectrum in between. This is the same effect as prism which disperses light in the same way.

Rainbows appear in seven colors because water droplets break sunlight into seven colors of spectrum and you get the same result when sunlight passes through prism. Water droplets in the atmosphere act as prism though traces of light are very complex.

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