The refractive index of a transparent material can be determined.

Answer:

Much magma is generated at a converging plate boundary where subduction is occurring.

The wavelength of the water wave having a amplitude of 1.2 meters every 0.4 seconds is 1.8 m .

Wavelength is the total distance traveled by a wave in one cycle.

To calculate the wavelength of the wave, we use the formula connecting

speed, wavelength, and Period.

Formula:

Where:

Make λ the subject of the equation

From the question,

Given:

Substitute these values into equation 2

Hence, The wavelength of the water wave having a amplitude of 1.2 meters every 0.4 seconds is 1.8 m .

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Answer:

hope this will help you

Explanation:

here,

mass(m)=25kg

g=10m/s

height (h)=30m

we know that,

potential energy=mgh

=25*10*30

=7500J

Answer:

They have similar temperatures and moisture properties.

Answer:

Option B. 8.1

Explanation:

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

Angle θ = 71°

Hypothenus = 25

Adjacent = x

Thus, we can obtain the x component of the vector by using the cosine ratio as illustrated below:

Cos θ = Adjacent /Hypothenus

Cos 71 = x/25

Cross multiply

x = 25 × Cos 71

x = 25 × 0.3256

x = 8.1

Therefore, the x component of the vector is 8.1

Answer: The mesocyclone

Explanation: The unsaturated air, if moved upward, will be cooler than the surrounding air and it will sink. ... This convective action (that is, the circulation of air as a result of heat transfer) produces the huge clouds commonly associated with thunderstorms and tornadoes.

Hopes this help um pls mark me as brainliest

Answer:

Explanation:

This is a fast plane! At it's takeoff speed, it could fly around the world in 5 seconds!

Acceleration is defined as the change in speed over the change in time.

\(a = \frac{v_f - v_o}{t}\)

Where v_f is the final velocity, v_o is the original velocity, and t is the time.

We know v_f = 8820km/s.

v_o = 0 km/s. The plane "starts at rest before it's engine start." So we know it starts from zero velocity.

t = 32.8 seconds.

You can solve the equation from there.

Answer:

13800N

Explanation:

15000N is the force of motorbike

1200N is air resistance in opposite direction

15000N-1200N=13800N

Answer:

Ft = 13800 [N]

Explanation:

We have to carry out a force analysis and assume the directions of those forces. First the force that causes the movement of the rider is equal to 15000 [N] and is directed to the right. Since the resistance of the air is opposite to the movement, it generates a resistance with a value of 1200 [N], with direction to the left. However, the rider continues to move to the right, as the force generated by the bike is greater, i.e. this force must be to the right for movement to exist. By means of a summation of forces on the X axis we can calculate the value of the resulting force. The forces to the right will be taken with a positive sign and the forces to the left with a negative sign.

15000 - 1200 = Ft

where:

Ft = unbalanced force [N]

Ft = 13800 [N]

Given data:

The mass of bar is m=2.3 kg.

The length of bar is l=5 m.

The forces at x=2 m is F1=

A promising evidence of a habitat that might support life on the planet Mars is water.

There is evidence supporting the existence of liquid water on Mars from numerous sources. The finding of repeated black streaks on Martian slopes and the presence of hydrated minerals suggest the potential of seasonal or location-specific briny water flows. A necessary component of life as known is liquid water.

Additionally, Mars possesses underground ecosystems that could provide defence against radiation and severe surface conditions. Researchers have found evidence of ancient underground hydrothermal systems as well as beneath ice. These settings might offer consistent conditions for the development of microbial life.  Methane gas has been found in the Martian atmosphere, along with variations over time, and this has led to questions regarding its origin. Both geological and biological processes can result in the production of methane.

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Answer:

balloon pushes you back

Explanation:

3rd Law: Every action has an equal and opposite reaction

So, when you let go of the balloon it's pushed forward so the balloon pushes you back

Answer:

the fast carbon cycle follows the movement of carbon through living (biotic) components of an ecosystem. This occurs faster because life moves more quickly. The fast carbon cycle focuses primarily on the biosphere, while the slow carbon cycle is more involved with the hydrosphere, lithosphere and atmosphere.

Explanation:

The magnitude of the angular velocity of the wheel after the block has descended 3.80 m is 5.23 rad/s.

Explanation :

We can use conservation of energy to solve this problem. Initially, the system is at rest and has a total energy of zero. As the block descends, its potential energy is converted into kinetic energy and work done by friction. We can express this as:

\(mgh = (1/2)mv^2 + W_{friction} + (1/2)Iw^2\)

where m is the mass of the block, g is the acceleration due to gravity, h is the height the block descends (3.80 m), v is the velocity of the block at the bottom, W_friction is the work done by friction (−8.50 J), I is the moment of inertia of the wheel, and ω is the angular velocity of the wheel.

Since the wire is wrapped around the rim of the wheel, the distance the block descends (3.80 m) is also the distance the rim of the wheel moves. Therefore, the work done by friction can be expressed as:

\(W_{friction} = -F_{friction} * d = -\)τΘ

where F_friction is the force of friction at the axle, τ is the torque exerted by friction, d is the distance the rim moves, and θ is the angle through which the wheel rotates. Since the wheel rotates through an angle of θ = h/r = 3.80 m/0.190 m = 20.0 rad, we have:

τ = W_friction / θ = -8.50 J / 20.0 rad = -0.425 N*m

Substituting the given values into the energy conservation equation and solving for ω, we get:

\((0.350 kg)(9.81 m/s^2)(3.80 m) = (1/2)(0.350 kg)v^2 - 0.425 N*m + (1/2)(0.470 kgm^2)w^2\)

Simplifying and solving for ω, we get:

ω = √[(2mgh + 2τ)/I]

\(w =\sqrt{[(2)(0.350 kg)(9.81 m/s^2)(3.80 m) + 2(-0.425 Nm)] / 0.470 kgm^2}\)

ω = 5.23 rad/s

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Answer:

electron

Explanation:

The electron is the subatomic particle with the least mass. Therefore option A is correct.

Both protons and neutrons have significantly larger masses compared to electrons.

The mass of an electron is approximately 9.1 x 10^-31 kilograms, while the mass of a proton is about 1.67 x 10^-27 kilograms, and the mass of a neutron is also around 1.67 x 10^-27 kilograms.

It's important to note that the "atom" is not a subatomic particle but a structure composed of subatomic particles. An atom consists of a nucleus (composed of protons and neutrons) and electrons orbiting around the nucleus.

The mass of an atom depends on the number of protons, neutrons, and electrons it contains, so it can vary widely depending on the specific atom.

In summary, when comparing individual subatomic particles, the electron has the least mass.

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Answer:

Temperature

Explanation:

Answer:

Dilute

Explanation:

A dilute is a substance mixed with water to make it thinner or weaker.

Answer:

a dilute

Explanation:

MTTF or Mean Time to Failure can be calculated using the given data. The term MTTF is often used to describe the expected lifetime of electronic devices and other items.

Here is how to calculate MTTF when given data:(c) Life testing was made on six non-replaceable) electrical lamps and the following results were obtained.

Calculate MTTF.The following data has been given:Number of lamps, n = 6Total time, T = 10000 hoursFailures, f = 2MTTF formula is given as:MTTF = T / n * fWhere, T = total time during which the test was conducted.n = the number of items tested.f = the number of items failed.Using the given data, we can calculate the value of MTTF as follows:MTTF = T / n * f = 10000 / 6 * 2= 1666.67 hoursTherefore, the MTTF of the six non-replaceable electrical lamps is 1666.67 hours.

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Answer:

D

Explanation:

It says constant positive linear acceleration, which means that the velocity increases at a constant rate.

In step 1, to increase the potential energy, the iron will move towards the electromagnet.

The potential energy of a system of dipole depends on the orientation of the dipole in the magnetic field.

\(U = \mu B\)

where;

\(B = \frac{\mu_0 I}{2\pi r}\)

\(U = \mu\times (\frac{\mu_0 I}{2\pi r} )\)

Increase in the distance (r) reduces the potential energy. Thus, we can conclude the following;

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The true statements about exomoons are:

A. Exomoons are likely to exist

D. Exomoons have been used as locations within science fiction stories

C. Exomoons must be only made of ice

A. Exomoons are likely to exist: It is believed that exomoons could exist in planetary systems beyond our own. While the detection and confirmation of exomoons remains a challenge, their existence is considered plausible based on the understanding of moon formation and the prevalence of exoplanets.

D. Exomoons have been used as locations within science fiction stories: Exomoons, being a fascinating concept, have captured the imagination of science fiction writers. They have been depicted in various stories and movies as intriguing and potentially habitable worlds.

E. Exomoons are moons that orbit exoplanets: An exomoon refers to a moon that orbits an exoplanet, which is a planet outside our solar system. Just like moons in our own solar system, exomoons are expected to orbit exoplanets, providing additional complexity and dynamics to the planetary systems.

C. Exomoons must be only made of ice: This statement is not true. Exomoons can be composed of various materials depending on their formation and composition. While some exomoons could have icy surfaces or subsurface oceans, others may be rocky or have diverse compositions.

It is important to note that our understanding of exomoons is still limited, and further research and observations are required to confirm their existence and study their characteristics.

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Biodiversity refers to the variety of different species of living organisms that exist in a particular ecosystem or on the planet as a whole.

In the movie The Lion King, the Pride Lands are home to a diverse range of animals. The main characters include:

1. Simba - a lion
2. Mufasa - a lion
3. Nala - a lioness
4. Scar - a lion
5. Timon - a meerkat
6. Pumbaa - a warthog
7. Zazu - a hornbill
8. Rafiki - a mandrill
9. Shenzi - a hyena
10. Banzai - a hyena
11. Ed - a hyena
12. Sarabi - a lioness

Therefore, there are 12 named characters in The Lion King and the biodiversity of the Pride Lands includes lions, lionesses, meerkats, warthogs, hornbills, mandrills, and hyenas.

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The radius of the track in the circular motion is 0.164 mm.

The magnetic force of the charge is calculated as follows;

F = qvB

The centripetal force experienced by the charge is calculated as follows;

\(F = \frac{mv^2}{r}\)

\(qvB = \frac{mv^2}{r} \\\\qB = \frac{mv}{r} \\\\r = \frac{mv}{qB} \\\\\)

The radius of the track is calculated as follows;

\(r = \frac{9.1 \times 10^{-31} \times 5.5 \times 10^6}{1.6 \times 10^{-19} \times 0.19} \\\\r = 1.64 \times 10^{-4} \ m\\\\r = 0.164 \times 10^{-3} \ m\\\\r = 0.164 \ mm\)

Thus, the radius of the track in the circular motion is 0.164 mm.

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Answer:

emissions line spectrum

The range of electronegativity for polar nonpolar and ionic bonding will be    between 1.5 and 2.1

Electronegativity is a chemical property that describes the tendency of an atom or a functional group to attract electrons toward itself.

The range of electronegativity for polar nonpolar and ionic bonding . So,  the difference in electronegativity is somewhere between 1.5 and 2.1, between a polar covalent bond and an ionic bond.

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The range of electronegativity for polar nonpolar and ionic bonding is less than 0.4 and greater that 0.4, respectively.

In general there are two major categories of bonds, which are polar molecules and nonpolar molecules.

In the field of chemistry, polarity can be described as the distribution of electric charge around atoms, chemical groups, or molecules.

There is no hard and fast rule but in general, a bond is considered as non polar if the difference in electronegativities is less than about 0.4, and it will be called a polar bond molecule if the difference is greater than 0.4.

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Answer:

It's red

Explanation:

Blue light has a shorter distance between wave crests than orange light. Red light has a longer distance between wave crests than blue light.

Cystic fibrosis is a recessive genetic disorder caused by a mutation in the CFTR gene. It affects the lungs, pancreas, and other organs, causing difficulties in breathing and digestive problems.

Hemophilia is an X-linked recessive genetic disorder that affects blood clotting due to mutations in clotting factor genes. Hemophilia A is caused by a mutation in the F8 gene while hemophilia B is caused by a mutation in the F9 gene.

Duchenne muscular dystrophy is an X-linked recessive genetic disorder caused by mutations in the DMD gene, which codes for a protein called dystrophin. It affects muscle function and leads to muscle weakness and wasting.

Huntington's disease is an autosomal dominant genetic disorder caused by a mutation in the HTT gene. It affects brain function, leading to psychiatric symptoms and movement problems.

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Cystic fibrosis -  autosomal recessive pattern, Hemophilia -  X-linked recessive pattern, Duchenne muscular dystrophy -  X-linked recessive pattern and Huntington's disease - autosomal dominant pattern.

Gene alterations that are essentially present in every cell in the body cause many hereditary diseases. These illnesses thus frequently impact many bodily systems, and the majority cannot be treated. To treat or manage some of the accompanying symptoms, there might be methods available.

Genetic disorders connected to mutations in genes on the X chromosome are referred to as having X-linked recessive inheritance. Because he contains just one X chromosome, a male who carries this mutation will be affected. A female who carries a gene mutation in one X chromosome but has a normal gene on the other X chromosome usually has no symptoms.

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The tank is initially filled with 1000 liters of pure water. Brine enters the tank at 8 liters per minute with a concentration of 0.06 kg salt per liter, while another brine enters at 9 liters per minute with the same concentration. The tank drains at a rate of 17 liters per minute.

To find the salt concentration in the tank over time, we can calculate the amount of salt entering and leaving the tank per minute. The amount of salt entering the tank per minute from the first brine solution is 0.06 kg/L x 8 L/min = 0.48 kg/min.

Similarly, the amount of salt entering from the second brine solution is 0.06 kg/L x 9 L/min = 0.54 kg/min. The total salt entering the tank per minute is 0.48 kg/min + 0.54 kg/min = 1.02 kg/min. The amount of salt leaving the tank per minute is 0.06 kg/L x 17 L/min = 1.02 kg/min.

Since the amount of salt entering and leaving the tank is equal, the salt concentration in the tank will remain constant.

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