Does anyone know the answer to this?

Answer:

to see how much you are getting of something

Explanation:

Answer:

I would use it to track everything nutrition wise.

Explanation:

I would use it to track everything nutrition wise. Meaning that if I do anything that is in the process of eating or consuming food, I would log it down. A good example of what goes in a dietary log would be how much you ate, the amount of calories you ate, and occasionally the amount of serving you ate based off the recommended serving size. It should be important to keep a fitness log if you are interested in keeping a diet diary; to  further track calories!

Hope this helps <3

The total amount of energy a star radiates in one second is called its luminosity.

Luminosity is a fundamental property of a star radiates that measures the total amount of energy it radiates per unit of time. It is often described as the star's intrinsic brightness or power output. Luminosity is typically measured in units of watts (W) or solar luminosities (L☉), which represent the amount of energy emitted by the star relative to the Sun's luminosity.

The luminosity of a star is a result of the energy generated within its core through nuclear fusion processes. In stars like our Sun, hydrogen atoms are converted into helium through fusion reactions, releasing a tremendous amount of energy in the process. This energy radiates outward in the form of electromagnetic radiation, including visible light, infrared radiation, ultraviolet radiation, and other wavelengths.

Luminosity is an important characteristic of stars as it provides insights into their size, temperature, and overall energy output. By studying the luminosity of stars across different wavelengths, astronomers can classify them into various spectral types and determine their evolutionary stage.

Additionally, luminosity measurements allow astronomers to estimate the distance to stars, known as the luminosity distance, which is a crucial parameter in determining the scale of the universe.

Overall, the luminosity of a star provides valuable information about its energy production and plays a significant role in our understanding of stellar properties and the broader field of astrophysics.

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Answer:

900 windings

Explanation:

Applying,

Vs/Vp = Ns/Np............. Equation 1

Where Vs = Secondary voltage, Vp = primary voltage, Ns = Number of turns in the secondary circuit, Np = number of turns in the primary circuit

make Ns the subject of the equation

Ns = VsNp/Vp........... Equation 2

From the question,

Given: Vs = 240 V, Np = 300 windings, Vp  = 80 V

Substitute these values into equation 2

Ns = (240×300)/80

Ns = 900 windings

Answer:

1.6 ml

Explanation:

Answer:

2.5m/s²

Explanation:

a = v/t

Where;

V = velocity (m/s)

a = acceleration (m/s²)

t = time (s).

According to the information provided in this question,

a = ?

v = 10m/s

t = 4

a = 10/4

a = 2.5m/s²

Answer:

\(v = u + at \\ = 10 + 3(11) \\v = 43 \: m. {s}^{ - 1} \)

The most common form of gas in the disk of the Milky Way Galaxy is:C) atomic hydrogen gas.

This is because atomic hydrogen gas is abundant in the interstellar medium of the Milky Way, making up a significant portion of the galaxy's overall gas content. It is composed of single hydrogen atoms and is found in large quantities in the interstellar medium. It is the primary component of most of the stars and gas clouds in the galaxy. Atomic hydrogen gas can be detected through its radiation in the radio part of the electromagnetic spectrum.It is typically found at temperatures of around 10,000 K and is highly ionized.

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A. The average drift speed of the electrons in the wire is  1.19 x \(10^{-3}\)cm/s.

B. The time it would take an electron to travel 8.84 m is 7.43 x \(10^{5}\)sec

(A) To find the average drift speed of electrons in a wire, we can use the equation:

I = nAvq

Where:
I is the current in Amperes
n is the electron density in electrons per \(cm^{3}\)
A is the cross-sectional area of the wire in \(cm^{2}\)
v is the average drift velocity of electrons in cm/s
q is the charge of an electron, which is 1.6 x \(10^{-19}\) Coulombs

First, we need to find the cross-sectional area of the wire. The formula for the area of a circle is:

A = π\(r^{2}\)

Where:
A is the area of the circle
r is the radius of the circle

Given that the wire diameter is 1.63 mm, we can find the radius by dividing it by 2:

r = 1.63 mm / 2 = 0.815 mm = 0.0815 cm

Now, we can calculate the area:

A = \(π(0.0815 cm)^{2}\) = 0.0209 \(cm^{2}\)

Next, we can rearrange the equation to solve for v:

v = I / (nAq)

Given that the current is 20 A and the electron density is 8.47 x \(10^{24}\)electrons per \(cm^{3}\), we can substitute these values into the equation:

v = 20 A / (8.47 x \(10^{24}\) electrons per cm^3 * 0.0209 cm^2 * 1.6 x \(10^{-19}\) C)

Simplifying the expression:

v = 1.19 x \(10^{-3}\) cm/s

Therefore, the average drift speed of electrons in the 14 gauge wire carrying a maximum current of 20 A is approximately 1.19 x \(10^{-3}\) cm/s.

(B) To calculate the time it would take for an electron to travel a distance of 8.84 m, we can use the formula:

t = d / v

Where:
t is the time in seconds
d is the distance in meters
v is the average drift velocity of electrons in meters per second

Given that the distance is 8.84 m and the average drift velocity is 1.19 x 10^-3 cm/s, we need to convert the velocity to meters per second:

v = 1.19 x \(10^{-3}\) cm/s * 0.01 m/cm = 1.19 x \(10^{-5}\) m/s

Now, we can substitute the values into the formula:

t = 8.84 m / 1.19 x \(10^{-5}\)m/s

Simplifying the expression:

t = 7.43 x \(10^{5}\)s

Therefore, it would take approximately 7.43 x \(10^{5}\) seconds for an electron to travel a distance of 8.84 m.

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Answer:

Muscle memory is found in many everyday activities that become automatic and improve with practice, such as riding bicycles, driving motor vehicles, playing ball sports, typing on keyboards, entering PINs, playing musical instruments, poker, martial arts, and dancing.

Explanation:

Answer:

3 hours 18 minutes

Explanation:

2535 miles ÷ 780miles/hr = 3.30 which is 3 hrs and 18min

The magnitude of the magnetic field cannot be determined without additional information about the wave.

In order to determine the magnitude of the magnetic field at a particular instant and point in space, we need more information about the wave.

Specifically, we need to know the frequency of the wave, as well as the speed of light in the medium through which the wave is traveling.

This is because the relationship between the electric and magnetic fields in an electromagnetic wave is determined by Maxwell's equations, which are dependent on these factors.

Without this additional information, we cannot calculate the magnitude of the magnetic field.

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Answer:

Power = 49 W

Explanation:

power = work / time (J/t or watt)

Joule or J = kg*\(m^{2}\)/\(s^{2}\)

watt or W = J/s

given:

mass = 2.0 kg

height = 15 m

g = 9.81 m/s2  (assumed)

t = 6 seconds

work = mass*g*h

work = 2.0*9.81*15 = 294.3 kg*\(m^{2}\)/\(s^{2}\) = 294.3 J

Power = 294.3 J / 6 seconds = 49.1 J/s = 49 W

Answer:

Kinetic energy at maximum height is zero.

Explanation:

At maximum height, the velocity is zero. Thus, the kinetic energy is also zero. This can further be seen as illustrated below:

Let the mass of the object be = m

Velocity (v) at maximum height = 0 m/s

Kinetic energy (KE) at maximum height =?

KE = ½mv²

KE = ½ × m × 0²

KE = ½ × m × 0

KE = 0

From the illustration above, we can see that the kinetic energy at maximum height is zero.

The equivalent capacitance of the three capacitors shown in the figure is equal to 7.5 microfarad.

Capacitance is the ability to store charge. It is visible from the figure that capacitance C1 = 10μF, C2 = 20μF and C3 = 10μF. The capacitors C1 and C2 are connected in parallel. Therefore we first take the equivalent capacitance of C1 and C2, which can be calculated as follows;

\(C12 = C1 + C2 \\C12 = 20μF + 10μF\\C12 = 30μF\)

Now, the equivalent capacitance of C12 and C3 is calculated. Since they are connected in series, so the formula will be reciprocal sum of the capacitance C12 and C3, which is shown below:

\(1/Ceq = 1/C12 + 1/C3\\1/Ceq = 1/30 + 1/10\\1/Ceq = (10 + 30)/(30)(10)\\1/Ceq = 40/300\\Ceq = 300/40\\Ceq = 7.5\)

Hence, the equivalent capacitance will be equal to 7.5 microfarad units.

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They typically avoid collision as they pass by the stars in the opposite galaxy.

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Answer:

quintal and metric tone.

Explanation:

1 quintal= 100kg

1 metric =1000kg

quintal measures mass of cars, trucks etc, but metric measures bigger things like cargo ships

hope it helps

Yes, this explanation matches with the results. The lower velocity that was measured is likely due to some of the kinetic energy of the marble being converted to thermal energy during the collision.

Kinetic energy is the energy of motion. It is the energy associated with an object's movement, or the energy of a system due to the motion of its parts. Kinetic energy is defined as the work needed to accelerate an object of a given mass from rest to its stated velocity.

This is because when two objects collide, some of the kinetic energy is converted to thermal energy. Additionally, air friction and bending in the pendulum rod can also reduce the velocity of the marble by converting more of its kinetic energy into thermal energy. Thus, both of these factors could explain the discrepancy between the measured and predicted velocities.

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Answer: Boo

Explanation:

Answer:

r u a ghost because i want 2 b ur boo

Explanation:

Answer:

\(according \: to \: boyles \: law \\ p1v1 = p2v2 \\ p1 = 100 \\ v1 = 4 \\ v2 = 2 \\ p2 = x \\ 100 \times 4 = 2x \\ 400 = 2x \\ x = 400 \div 2 \\ x = 200 \\ thank \: you\)

If the volume of a cylinder is reduced from 4.0 liters to 2.0 liters, the pressure of the gas in the cylinder will change from 100 kilopascals to 200 kilopascals, therefore the correct answer is option C.

It is an imaginary gas for which the volume occupies by it is negligible, this gas does not exist in a practical situation and the concept of an ideal gas is only the theoretical one.

As given in the problem If the volume of a cylinder is reduced from 4.0 liters to 2.0 liters, then we have to find out how the pressure of the gas would change,

By using Boyle's Law of gases by assuming the constant temperature,

P₁V₁ = P₂V₂

100×4 = P₂×2

P₂ = 200 kilopascals

Thus, the pressure of the gas in the cylinder will change from 100 kilopascals to 200 kilopascals, therefore the correct answer is option C.

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Answer: 6.0 m/s/s

Explanation: If the net force acting on an object is halved, the acceleration of the object will also be halved. Therefore, if the object has an acceleration of 12.0 m/s/s and the net force acting on it is halved, the new acceleration of the object would be 12.0 m/s/s / 2 = 6.0 m/s/s.

Answer:

It is found that W1 - W2 loss in weight of solid when immersed in water is equal to the weight of the water displaced by the body. This verifies Archimedes' principle.

One batch of cookies need 1/2 pounds or 0.21 Kg. Thus, 12 batches of cookies need 2.61 kg of butter.

Mass of a substance is the measure of its total amount. Mass of a substance can be expressed in g, Kg, pounds, lbs etc. Each units can be interchanged with certain relations.

One pound of mass = 0.435 Kg.

Thus, 1/2 pound = 0.435/2 = 0.21 kg.

Given that one batch of cookies need 1/2 pounds or 0.21 Kg. Hence, the amount of butter need to prepare 12 batch of cookies is :

= 12 × 0.21 Kg = 2.61 kg.

Therefore, the mass of butter required for 12 batches of cookies is 2.61 Kg.

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If Earth's atmosphere is filled with too many greenhouse gases, it will lead to an increase in the Earth's average temperature, known as global warming.

This is because the greenhouse gases trap heat from the sun, preventing it from escaping into space and causing the Earth's surface temperature to rise. This can have a range of negative consequences, including more frequent and severe heat waves, droughts, floods, storms, and rising sea levels due to the melting of ice caps and glaciers. It can also have impacts on ecosystems and biodiversity, as species struggle to adapt to the changing conditions. Therefore, it is crucial to reduce greenhouse gas emissions and limit the amount of greenhouse gases in our atmosphere to mitigate the effects of climate change.
This would cause global temperatures to rise, resulting in a variety of negative impacts on the environment, ecosystems, and human societies. These impacts may include more frequent and severe weather events, rising sea levels, loss of biodiversity, and disruptions to agriculture and water supplies.

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Answer:charge

Explanation:

So the electric current is a flow of electric charge

Density is defined as mass divided by volume. Therefore, in order to compare the densities of two objects, we need to know their masses as well as their volumes.

In this case, we are comparing two pieces of glass, one weighing 500 grams and the other weighing 50 grams. However, we do not have any information about their volumes.

Without knowing the volumes of the glass pieces, we cannot determine which one has a greater density. Density depends on both mass and volume, so we need information about both parameters to make a comparison.

Therefore, based on the given information, we cannot determine which of the two glass pieces has a greater density.

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According to the electromagnetic spectrum, ultraviolet light has wavelengths from 10 nm to 400 nm and infrared light from 750 nm to 1 mm.

This means that infrared light has a longer wavelength than ultraviolet light.

We know the relation between wavelength and frequency as λ = c / f

where, λ is the wavelength

c is the speed of light

f is the frequency

The above equation tells us that frequency is inversely proportional to the wavelength. In other words, if the wavelength increases, frequency decreases.

As infrared light has a longer wavelength than ultraviolet light, infrared has a lower frequency than ultraviolet rays.

The question is incomplete. The complete question is how do the wavelength and frequency of infrared light compare to the wavelength and frequency of ultraviolet light?

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