A generic protein comprising 387 amino acid residues will have an estimated molecular mass of:____.

Explanation:

Because acceleration is velocity in m/s divided by time in s, the SI units for acceleration are m/s2, meters per second squared or meters per second per second, which literally means by how many meters per second the velocity changes every second. ... The quicker you turn, the greater the acceleration.

The force of static friction between the coin and the turntable, which exists when the coin and turntable are at rest with respect to each other, produces the centripetal acceleration.

Centripetal accelerations are brought on by centripetal forces. The gravitational pull between them produces the centripetal force that drives the motion in the unique situation of the Earth's circular motion around the Sun and any satellite's circular motion around any celestial body.

The coin keeps rolling around the funnel's sides in ever-tinier circles until it finally falls into the well's center hole. Centripetal force is being demonstrated by that coin.

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The correct answer is option c. 51°. The critical angle between glass and water can be determined based on their refractive indices. In this scenario, where the refractive index of glass is 1.8 and the refractive index of water is 1.4, the critical angle can be calculated.

To find the critical angle, we can use the formula: critical angle = sin^(-1)(n2/n1), where n1 is the refractive index of the first medium (glass) and n2 is the refractive index of the second medium (water). Plugging in the values, the critical angle can be calculated as sin^(-1)(1.4/1.8). Evaluating this expression, we find that the critical angle between glass and water is approximately 51°.

Therefore, the correct answer is option c. 51°. This critical angle signifies the angle of incidence beyond which light traveling from glass to water will undergo total internal reflection.

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Answer:

B: Human body, organs, molecules, atoms neutrons. please correct me if im wrong

Explanation:

A P ex

The list that places different units of matter in the correct sequence from largest to smallest is as follows:

Matter may be defined as a type of substance that possesses a specific mass and occupies space by having a specific volume. So, it certainly has both mass and volume. In nature, each and every object is made up of matter.

With respect to the question, the human body is the largest unit that consists of matter. The body of a human generally consists of numerous organ systems which are built through the collection of other different organs.

The organ is further made up of the collection of tissues that are formed by the collection of cells. Cells possess numerous molecules which are made of atoms. Atoms have three types of subatomic particles, i.e. electrons, protons, and neutrons.

Therefore, the list that places different units of matter in the correct sequence from largest to smallest is well mentioned above.

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Your question seems incomplete. The most probable complete question is as follows;

Which list places different units of matter in the correct sequence from largest to smallest?

The speed of Mike and his bike before hitting the ramp is 4.48 m/s.

The acceleration of Michael and his bike is determined by applying Newton's second law of motion as follows.

According this law, the force applied to an object is directly proportional to the product of mass and acceleration of the object.

F = ma

a = F/m

where;

a = (456) / (136)

a = 3.35 m/s²

The speed of Mike and his bike before hitting the ramp is calculated as follows;

v² = u²  + 2as

where;

v² = 0 + 2(3.35)(3)

v² = 20.1

v = √20.1

v = 4.48 m/s

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The mass on the moon is  22.80kg.

The Moon's mass the only naturally occurring satellite of the Earth, has a mass of roughly 7.4 x 10²²kg. Although the moon is the fifth largest satellite in the solar system, it is the largest relative to the planet it circles because of its mass, which is 1/4 that of Earth.

We are given that ,

Mass on the earth = 150 kg

Thus, to calculate the mass on moon of 150 kg we can use the formula,

Mass on the moon =(mass on the earth)/(9.8m/s²)×1.622m/s

Mass on the moon =(150kg)/(9.8m/s²)×1.622m/s²

Mass on the moon = 22.80kg

Thus ,the mass on the moon is  22.80kg.

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Answer:

B. a chemical reaction

Explanation:

2CO + O2 → 2C02

Answer:

B. A chemical reaction

it's formed when carbon monoxide react with oxygen and forms carbon dioxide

Since acceleration is constant, the average and instantaneous accelerations are the same, so that

\(a = a_{\rm ave} = \dfrac{\Delta v}{\Delta t} = -\dfrac{v_i}{10.0\,\rm s}\)

By the same token, we have the kinematic relation

\(v^2 - {v_i}^2 = 2a\Delta x\)

where \(v\) is final speed, \(v_i\) is initial speed, \(a\) is acceleration, and \(\Delta x\) is displacement.

Substitute everything you know and solve for \(v_i\) :

\(0^2 - {v_i}^2 = 2\left(-\dfrac{v_i}{10.0\,\rm s}\right)(75.0\,\mathrm m)\)

\(\implies {v_i}^2 - \left(15.0\dfrac{\rm m}{\rm s}\right) v_i = 0\)

\(\implies v_i \left(v_i - 15.0\dfrac{\rm m}{\rm s}\right) = 0\)

\(\implies v_i = \boxed{15.0\dfrac{\rm m}{\rm s}}\)

Answer: Lifestyle

Explanation: lifestyle, may include factors such as diet, exercise, and smoking, but in this case, it does not play a significant role in causing Parkinson's disease. The repeated head trauma that Ali experienced during his boxing career is the most likely factor that contributed to his Parkinson's disease.

Answer:

lifestyle

Explanation:

because life style can be many things

Answer:

Yes, in case of uniform velocity

Explanation:

This is the case of uniform velocity. If a body covers equal displacement in equal intervals of time, then the velocity of a body is said to be ‘Uniform Velocity’. It meas that the velocity of a body remains constant during the motion and it does not change.

Since, acceleration is defined as the rate of change of velocity.

Therefore, if there is no change in velocity or in other words the change in velocity is zero, then the acceleration is also zero.

a = ΔV/t = 0/t

a = 0 m/s²

So, the acceleration of the body is 0 m/s², but it has a uniform velocity

Hence, it is possible for an object that, object with zero acceleration have velocity, which is the case case of uniform velocity.

Based on the Latent heat of vaporization of iron, the choice that calculates the amount of energy needed to change the state of iron during intervals D-E is 699.2 kJ.

The correct option is B.

The latent heat of vaporization of a substance is the amount of heat required to change a unit mass of a substance from a liquid to gas at the boiling point of that solid.

The formula to calculate the latent heat of vaporization of a substance is given below as follows:

Latent heat of vaporization, l = Δq/m

where;

The interval D to E is vaporization

Heat required = 349.6 kJ/mol * 112 g / 56g/mol

Heat required = 699.2 kJ

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When two sources of waves with the same frequency are active, the path length difference must be equal to some whole multiple of the wavelength plus one half the wavelength for the waves to interfere destructively.

This is because in order for two waves to interfere destructively, they must be exactly out of phase with each other. When waves are out of phase, the crest of one wave lines up with the trough of the other, resulting in a cancellation of the waves. This occurs when the path length difference between the two waves is equal to an odd multiple of half wavelengths. For example, if the distance between the two sources is exactly one wavelength, then the waves will interfere constructively, resulting in a stronger wave. However, if the distance is increased to one and a half wavelengths, then the waves will interfere destructively, resulting in a weaker or canceled wave. This pattern repeats for all odd multiples of half wavelengths.

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The protons and neutrons that make up the nucleus of an atom are collectively called nucleons. An isotope is a nucleus that has a specific combination of protons and neutrons.

Isotopes of an element have the same number of protons but different numbers of neutrons, which can result in different atomic masses. Isotopes can be stable or unstable, with unstable isotopes undergoing radioactive decay over time.

Some isotopes have important applications in various fields, such as carbon-14 used in radiocarbon dating and medical isotopes used in diagnosing and treating diseases. Understanding isotopes and their properties is crucial in chemistry, physics, and other related fields, as it allows us to better understand the behavior and characteristics of atoms and their interactions.

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Answer:

Peach and Apple will take the same time as the gravitional pull acting on both of them is equal.

height of peach=initial velocity*time+1/2*gravitional pull*(time^2)

1.8=0*time+1/2*9.8*time^2

1.8=0+1/2*9.8*time^2

1.8=1/2*9.8*time^2

3.6/9.8=time^2

taaking value of gravitional pull approx to 10

3.6/10=time^2

0.36=time^2

0.6=time

therefore, the time taken is 0.6sec

Explanation:

The time it takes the peach to reach the ground is 0.61 sec

From the question,

We are to determine how long it would take the peach to reach the ground.

From one of the equations of kinematics for free falling objects,

We have that

\(H = ut + \frac{1}{2}gt^{2}\)

Where

H is the height

u is the initial velocity,

t is the time

and g is the acceleration due to gravity ( g = 9.8 m/s²)

Since the object is dropped with no velocity, then the initial velocity is 0 m/s

From the given information

H = 1.8 m

u = 0 m/s

Putting the parameters into the formula,

We get

\(1.8 = 0(t) + \frac{1}{2}(9.8)t^{2}\)

This becomes

\(1.8 = 0 + 4.9t^{2}\)

\(1.8 = 4.9t^{2}\)

Then,

\(t^{2} = \frac{1.8}{4.9}\)

\(t^{2} = 0.367347\)

∴ \(t =\sqrt{0.367347}\)

t = 0.60609 sec

t ≅ 0.61 sec

Hence, the time it takes the peach to reach the ground is 0.61 sec

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Visible light, ultraviolet rays, and X-rays are all forms of electromagnetic radiation, with differences in their wavelengths, frequencies, and energies.

Visible light is the part of the electromagnetic spectrum that human eyes can perceive. It has a wavelength range of 400-700 nanometers, with violet having the shortest wavelength and red having the longest. Visible light can be refracted, reflected, and diffracted, and it can be split into its component colors using a prism.

Ultraviolet (UV) rays have shorter wavelengths and higher frequencies than visible light. They have wavelengths between 10-400 nanometers. UV radiation is classified as UVA, UVB, and UVC, with UVC having the shortest wavelength and highest energy. UV rays can cause damage to DNA and can cause sunburn and skin cancer.

X-rays have even shorter wavelengths and higher frequencies than UV rays. X-rays have wavelengths between 0.01-10 nanometers. They can penetrate through materials that visible light and UV radiation cannot, such as body tissues and bones, making them useful in medical imaging. X-rays are also produced in outer space and can be used to study the universe.

In summary, the main differences between these types of electromagnetic radiation are their wavelengths, frequencies, and energies, which determine their properties and potential applications.

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Answer:

D. A positive cation and a negative anion

Explanation:

An ionic compound is defined as the chemical compound formed by the combination of two charged particles or ions held together by electrostatic forces.

An ionic compound is made up of  ions, a cation which is a positively charged ion and an anion which is a negatively charged ion. Example of ionic compounds are Lithium Fluoride, Lithium Iodide, and Sodium Bromide.

Hence, the correct answer is "D. A positive cation and a negative anion".

Stars form from molecular clouds through a process known as stellar formation.

These clouds, characterized by low temperatures and high densities, provide the ideal conditions for atoms to combine and form molecules. With a mass range spanning from a few solar masses to millions of solar masses, molecular clouds serve as the birthplaces of new stars. The Pleiades cluster serves as a notable example of stars that have recently formed within such a stellar nursery.

The formation of stars from molecular clouds involves several key steps. Firstly, gravitational forces acting on regions of higher density within the cloud cause them to collapse under their own gravity. As the cloud collapses, it begins to fragment into smaller, denser clumps called protostellar cores. These cores continue to collapse, and their central regions become increasingly dense and hot. At this stage, they are known as protostars.

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Answer:

the answer to this question is A

Answer:

It is D. Almost no mass

Explanation:

The mass of an electron is 1/2000 times of proton/neutron

Using the definition of equivalent systems, you can replace one set of loads with another set. if your problem is two-dimensional, I can replace all the loads in your problem with a single force as long as you allow me to pick the magnitude of the force, such reduction of a system of loads is called a statically equivalent system.

Such a kind is a reduction of a system of loads where multiple forces and moments can be replaced by a single force and a single moment that lies along the same line of action as the force. this allows for a more efficient way of analyzing the structure.In two-dimensional problems, all the loads can be replaced by a single force.

Where the magnitude and direction can be chosen and the point of application can be determined. In three-dimensional problems, all the loads can be replaced by a single force and a moment. This simplifies the analysis, making it easier for engineers to understand the behavior of a structure under various types of loads.

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Answer: 5V

Explanation: because 2 goes into 10, five times. Also I know it’s correct cuz I got it right in my quiz

The difference in potential between these two points is 5 V.

The electric potential between two points is the work done in taking a unit postive charge from one point to another.

The difference in potential between these two points is calculated as follows;

W = qV

V = W/q

V = 10/2

V = 5 V

Thus, the difference in potential between these two points is 5 V.

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Star B will appear 1/25 as bright compared to star A.

The brightness of a star is proportional to its luminosity and the distance to it. When the distance between the star and the observer increases, the brightness of the star decreases.

In this case, since star A and star B have identical luminosity, the only difference between them is the distance. Therefore, using the inverse square law of light:

Luminosity = 4πd²B

where L is the luminosity, d is the distance, and B is the brightness.

Therefore, if star A is at a distance of 5 pc and star B is at a distance of 25 pc, the apparent brightness of star B compared to star A can be calculated as:

\(\frac{apparent\ brightness\ of\ star\ B}{apparent\ brightness\ of\ star\ A} = \frac{(distance\ to\ star\ A)^2}{(distance\ to\ star \ B)^2}\)

\(=\frac{(5\ pc)^2}{(25\ pc)^2}\)

\(= \frac{1}{25}\)

So star B will appear 1/25 as bright as star A.

Therefore, the answer is (a) 1/25 as bright.

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Answer:

Kinetic Energy=1/2×m×v^2,Where m=mass,v=velocity. So, kinetic energy of the object=1/2×150×15^2 = 16875 kg m^2 s^-2 .

Explanation:

math lol

Answer:

water

Explanation:

water is a compound

Answer:

I believe it is A.

Explanation:

Birds need feathers to fly.

Answer:

D-A radiator emitting warm air and drawing in cool air

Explanation:

Answer:

10 ohms

Explanation:

V = IR

2 v is the drop in the battery

2 = .2 R

R = 10 ohms

The moon is currently in the constellation of Scorpius, where will it most likely be in a few nights:

c. Sagittarius.

The moon's location in the sky changes over time due to its orbit around the Earth and the Earth's rotation. The answer to the question depends on the specific time frame, but generally, the moon will move across the sky and appear in a different constellation a few nights later.

Based on its orbit and the progression of the zodiac constellations, the moon is most likely to be in Sagittarius in a few nights.

The movement of the moon and its location in the sky is a fascinating subject that has intrigued astronomers and stargazers for centuries. The moon's position in the sky can be predicted using various astronomical tools and observations. Its location can also be used to determine the phase of the moon, which has cultural, agricultural, and religious significance in many cultures.

Therefore the correct answer is c. Sagittarius.

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The way that Q and W are related during the isobaric part of the overall path is that W provides energy output, while Q provides energy input; Q is larger. Option A.

A thermodynamic process called an isobaric process keeps the pressure constant. This is typically accomplished by allowing the volume to alter in size in order to balance off any pressure changes brought on by heat transfer.

Vb > Vd

W tends towards the positive. This is the energy output of the system. The pressure is constant so Q is energy input. Hence the first option is the correct one

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Question

how are q and w related during the isobaric part of the overall path from state d to state b?

1. W provides energy output, while Q provides energy input; Q is larger

2. Both W and Q provide energy input

The four distinguishing lines of the red light that hydrogen atoms release are.

Hydrogen, pronounced "hy-dro-gen," is a nonmetallic gaseous chemical element with atomic number 1 and is the lightest and simplest of the elements. It is utilized in the processing of fossil fuels and the creation of ammonia, among other things.

Explore Chemical Elements Compare deuterium with tritium in the table. The most fundamental member of the chemical element family is hydrogen (H), a colorless, odorless, tasteless, combustible gaseous material. The term is derived from the Greek words "hydro" and "genes," which indicate "formation of water."

In addition to yellow, turquoise, and pink hydrogen, there is also green, blue, and brown hydrogen. To distinguish between the various forms of hydrogen, they are essentially employed as color codes or nicknames in the energy sector.

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