1.a car sitting at rest on the road
balanced or unbalanced
explain your answer​

Answer:

mm yummy

Explanation:

Answer:

Comprobar explicación

Explanation:

Si el árbitro toma una decisión en el medio del juego, a pesar de estar equivocado, normalmente, como humano, las emociones están destinadas a superarlo, pero de acuerdo con el reglamento, hay conductas aceptables y una protesta llena de emociones. en el árbitro puede salirse de las manos y conducir a más castigos de acuerdo con los libros de reglas.

Después del partido, por lo general, aún me despediría y expresaría mi desagrado tan cortésmente como pueda, pero porque cuando uno se equivoca, las emociones que lo acompañan pueden volverse increíblemente incontrolables, por lo tanto, es mejor mantener el control y no obtener castigado aún más.

¡¡¡Espero que esto ayude!!!

A diffraction grating has 2,210 lines per centimeter, the angle of the first-order maximum is for 500 nm wavelength green light is: 11.27 degrees

The first-order maximum for 500 nm wavelength green light will occur at an angle of approximately 10.4° when using a diffraction grating with 2,210 lines per centimeter. Diffraction occurs when waves, such as light waves, encounter an obstruction or apertures, and their wave-like behavior is revealed.

The angle of diffraction is related to the wavelength of light and the separation between the lines of the diffraction grating. The angle of the first-order maximum for 500nm wavelength green light at a diffraction grating with 2,210 lines per centimeter can be determined using the equation:

\(θ = sin-1(λ/d)\)
where θ is the angle of the first-order maximum, λ is the wavelength of the light, and d is the spacing between the lines of the diffraction grating.

In this case, λ is 500nm and d is 2,210 lines per centimeter, so:
\(θ = sin-1(500/2210)\)
Solving for θ yields an angle of 11.27 degrees.

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"The correct answer is e) only (a) and (b) above." The ratio of the magnitude of the electric field (E) to the magnitude of the magnetic field (B) in an electromagnetic wave is a fundamental property of the wave. It represents the relative strengths of the electric and magnetic components of the wave.

Mathematically, this ratio is given by:

E/B

In a vacuum, the ratio of the magnitude of the electric field (E) to the magnitude of the magnetic field (B) in an electromagnetic wave is always equal to the speed of light (c). This ratio is given by:

E/B = c

This relationship holds true for all electromagnetic waves, regardless of their frequency or wavelength. Therefore, option (b) - the speed of light, and option (a) - the speed of radio waves (which are a type of electromagnetic wave), are the correct choices. Option (c) - the speed of gamma rays, is not accurate, as the speed of gamma rays is not different from the speed of light. Hence, the correct answer is e) only (a) and (b) above.

This means that the magnitude of the electric field is equal to the magnitude of the magnetic field multiplied by the speed of light. The direction of the electric field is perpendicular to the direction of propagation of the wave, as is the magnetic field.

This relationship holds true for all electromagnetic waves, including radio waves, visible light, X-rays, and gamma rays. It is a fundamental property of electromagnetic waves and is a consequence of Maxwell's equations, which describe the behavior of electric and magnetic fields.

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The molar mass of the mystery gas is 0.165 g divided by the number of moles obtained using the slope, pressure, volume, and temperature from the previous experiment.

To find the molar mass of the mystery gas, we can use the information obtained from the previous experiment, where we determined the slope of the plot of mass versus volume for a known gas. Let's assume the slope obtained in that experiment was 0.075 g/L.

In the current experiment, the scale reading for the mystery gas is 0.165 g. To relate this mass to the volume, we can use the slope we determined previously:

0.165 g * (1 L / 0.075 g) = 2.2 L

Now, we can apply the ideal gas law, which states that PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature. We can rearrange this equation to solve for n:

n = PV / RT

Since the conditions of the experiment are stated to be identical, the pressure (P), temperature (T), and volume (V) remain the same. Therefore, the number of moles (n) for the mystery gas is the same as for the known gas.

Next, we can calculate the molar mass (M) of the mystery gas using the equation:

M = mass / moles

M = 0.165 g / n

By substituting the value of n from the previous calculation, we can find the molar mass of the mystery gas.

Final solution: The molar mass of the mystery gas is 0.165 g divided by the number of moles obtained using the slope, pressure, volume, and temperature from the previous experiment.

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Answer:

Plural cerebrums cerebra The largest part of the vertebrate brain, filling most of the skull and consisting of two cerebral hemispheres divided by a deep groove and joined by the corpus callosum, a transverse band of nerve fibers. The cerebrum processes complex sensory information and controls voluntary muscle activity.

Explanation:

Better identification of novel species is made possible by categorization.

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Answer:

500 Gram in Newton is Equal to 4.9

Explanation:

The change of 1 g ( gram ) unit for a weight and mass measure equals = into 0.0098 N ( newton earth ) as per its equivalent weight and mass unit type measure often used.

One Gram is equivalent to 0.0098066500286389 Newton. Hence, to convert Gram to Newton, we just need to multiply the number by 0.0098066500286389.

Answer:

4.9 newton

hope it's helpful

and thank you point for 50

This means that the string is vibrating at a fundamental frequency of 340.5 Hz when it is in its first harmonic state.

The fundamental frequency of a string is the lowest frequency at which it vibrates, and is sometimes referred to as the first harmonic. The higher harmonics are integer multiples of the fundamental frequency, so if you know the frequency of one of the higher harmonics, you can find the fundamental frequency.

In this case, you have measured the fourth harmonic, with a frequency of 1,362 Hz. Therefore, the fundamental frequency can be found by dividing the harmonic frequency by the harmonic number:

fundamental frequency = harmonic frequency / harmonic number

fundamental frequency = 1,362 Hz / 4 = 340.5 Hz

The higher harmonics are multiples of the fundamental frequency, so the fourth harmonic will have a frequency of 4 times the fundamental frequency.

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Answer:

The statements are not given, so I will answer in a general way.

We know that when one object is moving with a velocity V, and it wants to come to stop, it needs to accelerate in the opposite direction to the initial velocity (Or decelerate).

As larger this acceleration is, the faster the object will come to a full stop.

Now we have a car (with a mass m) and a truck (with a mass M) are moving with a velocity V.

We can assume that the mass of the truck is larger than the mass of the car, then:

M > m.

Now also remember Newton's second law:

F = m*a

Force equals mass times acceleration.

And we know that both vehicles stop with the same stopping force.

Then the acceleration (deceleration actually) that experiences the car is:

a = F/m

While the acceleration that experiences the truck is:

a' = F/M

Because M is larger than m, we will have:

a' < a

Then the deceleration of the truck is smaller than the one of the car, which means that the car will come to a full stop faster than the truck (or the truck needs more time to stop)

pushed to the right = 300 newtons

pushed to the left = 400 newtons

\(400-300=100\)

\(\fbox{100 Newtons to the left}\)

Using energy concepts, The speed of m3 after it moves down 4.5 m is 66.15 m/s.

Mass of the objects;

m1= 5 kg

m2= 10 kg

m3=15 kg

Distance: h = 4.5m

The change in gravitational potential energy of the mass must same with the change in kinetic energy of the mass. So:

(m3-m1) ×g×h=(15-5) ×9.8×10^-2×4,5 =½×(m1+m2+m3) ×v²

=10×9.8×10^-2×4, 5=0, 5 × (5+10+15) ×v²

v= 66.15 m/s

Batteries and human fatigue are both affected by energy. Energy is the ability to do business (work) and experience change. These changes can be in the form of changes in position, changes in motion, changes in temperature, changes in the state of matter, even changes in living things, such as growth and development are also included in it.

If the energy runs out, then an object will not be able to do work (effort). Humans can feel tired after doing activities, because humans use energy. So, humans rest and consume food and drink to restore lost energy.

In international units, the unit of energy is the joule. In addition, to express energy in the form of heat (heat), calories and kWh are used to express electrical energy.

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ANSWER:

a. AB

STEP-BY-STEP EXPLANATION:

The greatest distance occurs when the speed is increasing and also takes less time to reach that speed.

According to the graph, the highest speed is 8 m/s and it reaches it in 3 seconds, therefore, it is where the greatest distance is given.

Therefore, the segment of greater distance is the segment AB

The ratio of magnitude 2 to magnitude 1 after the electric field change when the proton returned to its  starting point.is 1:1

The protons are ejected into an electric field pointing due north, and after 2 seconds the electric field changes to a constant uniform electric field pointing due south. 8.49 seconds after the field change, the proton returned to its starting point.

The protons were initially stationary and accelerated by the electric field. A proton's acceleration is directly proportional to its electric field and inversely proportional to its mass.

Two oppositely directed fields act on the protons, implying a net acceleration of zero. Therefore, the ratio of the magnitude of electric field 2 to the magnitude of electric field 1 is 1:1.

The ratio of magnitude 2 to magnitude 1 is 1:1

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Answer:

Sharpening a knife reduces it's height as a wedge thus giving it more efficiency.

Explanation:

Mechanical advantage refers to the degree or quantity to which a force is increased or amplified by using a tool or a machine.

Mechanical Advantage can be calculated as follows:

Lenght of Incline (LI) / Height of Incline (HI)

Assume I have constructed a hedge with an inclination that run 10 meters from point x to point y (which is the back of a truck. Point y to the floor is 5 meters.

If   LI = 10m and

HI= 5m

The mechanical advantage is given as 10/5 = 2

The angle of incline is also called the effort distance. From our calculations above, by sacrificing horizontal movement, I reduced the amount of effort it would have cost to lift up that object from ground up -  a distance of 5 meters.

Think of a knife as a form of a similar wedge.

The more a knife is sharpening of a knife further reduces its angle of elevation. Thats why it becomes more efficient to use, hence our mechanical advantage.

Cheers

Answer:

Instead, we see the Moon because of the Sun's light reflects back to our eyes. In fact, the Moon reflects so much of the Sun's light that it's the second brightest object in the sky after the Sun. ... These objects — other planets and stars — can usually only be seen at night when the Sun's light doesn't outshine them.

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The ecliptic is (c) the plane in which the Earth orbits the Sun. It is the apparent path that the Sun follows in the sky over the course of a year as seen from the Earth.

The offset between the axial tilt of the Earth and its original vertical orientation gives us periodic changes at the Earth’s surface called (d) seasons. So the correct option is D.  

The Earth's axial tilt causes different parts of the Earth to be exposed to more or less sunlight throughout the year, leading to changes in temperature and weather patterns that define the seasons. The slow, cyclical change in the orientation of the Earth's axis is called precession, but it does not directly cause seasonal changes.

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The statement that can not be true is that; the car is going the same speed as the truck and the truck and car are at the same height. Option B

The term mechanical energy  has to do with the energy that is either in motion or the energy that is at a point. We can see that the total mechanical energy must have to be constant in a closed system.

We know that both the kinetic energy and the potential energies of the car and the truck would have to depend on the masses of the objects. The truck must have a much larger mass than the car. This implies that looking at the masses of the objects, the car and the truck must have different values of speed and height if they are to have the same total mechanical energy.

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The wave speed on a string under tension is determined by the square root of the tension divided by the linear density of the string. Therefore, if the initial wave speed is 160 m/s, doubling the tension will result in a new wave speed of approximately 226.27 m/s.

Let's delve into more detail about the relationship between tension and wave speed on a string.

The wave speed on a string under tension is given by the equation:

v = √(T/μ)

where:

- v is the wave speed,

- T is the tension in the string, and

- μ is the linear density of the string.

In this case, we are considering the tension being doubled while the linear density remains constant.

Let's denote the initial tension as T1 and the doubled tension as T2.

Initially:

v1 = √(T1/μ)

After doubling the tension:

v2 = √(T2/μ)

To find the relationship between v2 and v1, we can divide the two equations:

v2/v1 = (√(T2/μ)) / (√(T1/μ))

Taking the square root out of the equation:

v2/v1 = (√(T2/μ) * √(μ/T1)) = √(T2/T1)

Since we know that the tension is doubled (T2 = 2T1), we can substitute this into the equation:

v2/v1 = √(2T1/T1) = √2

Therefore, the ratio of the new wave speed (v2) to the initial wave speed (v1) is equal to the square root of 2.

In this case, if the initial wave speed is 160 m/s, the new wave speed (v2) after doubling the tension would be approximately:

v2 = v1 * √2 = 160 m/s * √2 ≈ 226.27 m/s

Hence, doubling the tension on the string would result in a new wave speed of approximately 226.27 m/s.

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Answer:

Gpe = 15680 Joules

Explanation:

Gravitational potential energy (GPE) is an energy possessed by an object or body due to its position above the earth.

Mathematically, gravitational potential energy is given by the formula;

G.P.E = mgh

Where;

G.P.E represents potential energy measured in Joules.

m represents the mass of an object.

g represents acceleration due to gravity measured in meters per seconds square.

h represents the height measured in meters.

Given the following data;

Mass = 20 kg

Height = 80 m

We know that acceleration due to gravity is equal to 9.8 m/s²

To find the gravitational potential energy;

Gpe = mgh

Gpe = 20 * 80 * 9.8

Gpe = 15680 Joules

Answer:

100 cubic centimeters.

Explanation:

Formula: multiply the volume value by 1.

Answer:

\(v = 31.6m/s\)

Explanation:

Given

\(Initial\ Velocity, u = 12m/s\)

\(Time, t = 2.0s\)

Required

Determine the final velocity, v

Using the first equation of motion

\(v = u + at\)

But in this case;

a = g = acceleration of gravity

So:

\(v = u + gt\)

Substitute values for u and t

\(v = 12 + g * 2\)

\(v = 12 + 2g\)

Take g as 9.8m/s²

\(v = 12 + 2 * 9.8\)

\(v = 12 + 19.6\)

\(v = 31.6m/s\)

Hence, the velocity is 31.6m/s

The problem provides the following information about a playground merry-go-round:

Mass of the merry-go-round (m): 105 kg

Radius of the merry-go-round (r): 2.3 m

Frequency of rotation (f): 0.56 rev/s

To solve the problem, we can calculate the angular velocity (ω) and the moment of inertia (I) of the merry-go-round.

The angular velocity (ω) is given by the formula:

ω = 2πf

Using the given frequency, we can calculate the angular velocity as:

ω = 2π(0.56 rev/s)

Next, we can calculate the moment of inertia (I) of the merry-go-round using the formula:

I = 0.5mr²

Substituting the given mass and radius into the formula, we have:

I = 0.5(105 kg)(2.3 m)²

Now, let's calculate the values:

Angular velocity:

ω = 2π(0.56) ≈ 3.518 rad/s

Moment of inertia:

I = 0.5(105)(2.3)² ≈ 273.23 kg·m²

Therefore, the merry-go-round is rotating with an angular velocity of approximately 3.518 rad/s, and it has a moment of inertia of approximately 273.23 kg·m².

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Answer:

The speed of individual particle diffusion is influenced by temperature and particle size, not by concentration

Explanation:

Both the trichromatic and opponent-process theories are valid in explaining colour vision in humans.

According to the trichromatic theory, our ability to perceive red, green, and blue hues as well as the cones' ability to change the neuronal activity ratio when different colors are present (Like a projection T.V.). The precise hue that we see is therefore determined by the ratio of each color to the others.

This hypothesis was developed as a result of color mixture tests in which it was discovered that a combination of three primary colors could match any hue. In the latter part of the seventeenth century, Newton's studies of light and colors sparked the first scientific interest in color.

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Answer:

A.6.3

Explanation:

Answer:

it is 4.67921098559 astronomical units

Explanation:

An asteroid that is 700,000,000 km is equivalent to 4.67 AU.

Option D is the correct answer.

Given that an asteroid that is 700,000,000 km from Earth.

We know that 1 AU is equal to 149597870.691 KM. The expression can be given below.

\(1 \;\rm AU = 149597870.691\;\rm KM\)

\(1 \;\rm KM = \dfrac {1}{149597870.691} \;\rm AU\)

\(700,000,000 \;\rm KM = \dfrac {1}{149597870.691} \times 700,000,000 \;\rm AU\)

\(700,000,000 \;\rm KM = 4.67 \;\rm AU\)

Hence we can conclude that 700,000,000 km is equivalent to 4.67 AU. Option D is the correct answer.

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