when maggie applies the brake of her car, the car slows

The right option that represents the major ionization state of histidine at pH 11 is D) NH2CH(CH2NH2)COO- and NH(CH2)4NH+.(option D)

The pKa values of histidine's various ionizable groups are as follows:a-COOH - 2.0a-NH3+ - 9.0Imidazole R group - 6.5At pH 11, we should first determine the ionization states of histidine's individual groups before determining the major ionization state of histidine. Since pH 11 is well above the pKa of histidine's carboxylic acid group, the a -COOH will be in the deprotonated state. The a-NH3+ group, on the other hand, has a pKa of 9.0, which is greater than pH 11, indicating that it will be in the protonated state, with a positive charge.

The imidazole ring in the R group has a pKa of 6.5, which is less than pH 11, indicating that it will be in its deprotonated state, with a negative charge. As a result, histidine's predominant ionization state at pH 11 will be: H3N+CH(CH2NH2)COO-, with a positive charge on the nitrogen in the side chain and a negative charge on the imidazole ring. This is because the side chain's positively charged nitrogen (the protonated a-NH3+) will be connected to the negatively charged imidazole ring.option D)

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The correct answer choice which best determined by applying the principles of relativity and uncertainty, rather than Newtonian physics is :

The momentum of an object moving at close to the speed of light.

Heisenberg uncertainty principle gave an explanation to this. According to uncertainty principle, it very difficult to determine the exact quantities of each of momentum and the speed of light at the same time or simultaneously, so only one of these quantities can be deduced at a time. This is why we can apply the principle of relativity and uncertainty to the aforementioned above

Werner Heisenberg proposed this principle of relativity and uncertainty. This principle of uncertainty state that: the position and the velocity of an object cannot both be measured exactly

What this implies is that an accurate measurement of speed and position of any object cannot be measured

So therefore, the correct answer choice which best determined by applying the principles of relativity and uncertainty, rather than Newtonian physics is :

The momentum of an object moving at close to the speed of light.

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The reputable sources for an argumentative essay about the free enterprise system include:

This type of essay requires facts to argue about a certain topic and take a stance on it.

Free enterprise system which involves the market determining the price has to be related to a type of economy to ascertain its advantages and disadvantages.

The full question is:

What are reputable sources for an argumentative essay about the free enterprise system? Check all that apply.

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The amount of heat transfer that occurs from the rock is 1,266,484.25 J.

We can use the formula for entropy change in terms of heat transfer and temperature:

ΔS = Q/T

where ΔS is the change in entropy, Q is the heat transfer, and T is the temperature in Kelvin.

We are given ΔS = -950 J/K (since the entropy decreases) and the initial and final temperatures, so we can solve for Q:

We can rearrange the formula to solve for Q:

Q = ΔS × T

The temperature change is:

ΔT = 1100°C - 40°C = 1060°C = 1333.15 K

Substituting the given values:

Q = 950 J/K × 1333.15 K = 1,266,484.25 J

Therefore, the amount of heat transfer that occurs from the rock is 1,266,484.25 J.

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The maximum height of the child on the swing relative to her lowest height is determined by the conservation of mechanical energy, where the maximum height can be calculated using the maximum speed. Hence, the maximum height of the child on the swing relative to her lowest height is approximately 1.84 meters.

When a child is on a swing, the total mechanical energy is conserved, assuming negligible air resistance. The mechanical energy is the sum of the kinetic energy (KE) and the potential energy (PE). At the highest point of the swing, the kinetic energy is zero, as the child comes to a momentary stop before changing direction. At the lowest point of the swing, the potential energy is zero, as it is fully converted into kinetic energy.

Since the maximum speed is given as 6 m/s, this represents the maximum kinetic energy of the child on the swing. At the highest point, all the kinetic energy is converted into potential energy. Therefore, the maximum height can be calculated using the conservation of energy equation:

KE_max = PE_max

1/2 mv^2 = mgh_max

Simplifying the equation, we can solve for h_max:

h_max = (v^2) / (2g)

Substituting the given values, where v = 6 m/s and g is the acceleration due to gravity (approximately 9.8 m/s^2), we can calculate the maximum height:

h_max = (6^2) / (2 * 9.8) ≈ 1.84 meters

Therefore, the maximum height of the child on the swing relative to her lowest height is approximately 1.84 meters.

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The power of a dry contact lens is typically lower than when it rests on the tear layer of the eye due to the refractive index difference between the lens material and the tear film.

The power of a contact lens is determined by its curvature and the refractive index of the lens material. When a contact lens is dry, its power can be slightly lower compared to when it is properly hydrated and rests on the tear layer of the eye. This difference in power arises due to the refractive index mismatch between the lens material and the tear film.

When the lens is dry, the refractive index of the lens material does not align optimally with the refractive index of the tear film on the surface of the eye. This mismatch affects the way light is bent and focused by the lens. As a result, the effective power of the lens can be slightly reduced compared to when it is in contact with the tear film, which provides a more suitable refractive environment.

Therefore, it is important to ensure that contact lenses are properly hydrated and in contact with the tear layer of the eye to achieve the intended power and optical correction.

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If the distance between two objects is 4.00 m and the distance is tripled, then the new distance will be 12.00 m.

To find out the new distance, you need to multiply the original distance by the factor by which it is tripled, which is 3.In other words, if the distance between two objects is "d", and it is tripled, then the new distance is 3d.

Using this formula, if the original distance is 4.00 m, then the new distance will be 3 x 4.00 m = 12.00 m.

The new distance is three times the original distance.

Therefore, the new distance between the two objects will be 12.00 meters if the original distance was 4.00 meters and it was tripled.

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To determine the class width of a frequency histogram, divide the range of the data by the number of classes you want to have.

The class width should then be rounded up or down to the nearest convenient number.The main answer to find the class width of a frequency histogram:In a frequency histogram, the width of each class is known as the class width. The range of the data is divided by the number of classes to determine the class width.

The class width should be rounded up or down to the nearest convenient number.The formula for finding the class width is: Class width = (Highest data value - Lowest data value) / Number of classesThe steps to follow to find the class width are as follows: Determine the range of the data. It's calculated by subtracting the smallest value from the largest value. Determine the number of classes you want to use.

Divide the range of the data by the number of classes to obtain the class width. If the result is a decimal, round it up or down to the nearest convenient number.

The class width of a frequency histogram is used to establish the width of each class. The class width is determined by dividing the range of the data by the number of classes. When deciding on the number of classes to use in a frequency histogram, keep in mind that too few classes may not adequately reflect the data, while too many classes may result in a choppy histogram that does not adequately reflect the data.

As a result, it's critical to choose an appropriate number of classes. A good guideline to follow is to have between 5 and 20 classes. The range of the data should be divided by the number of classes to determine the class width. If the resulting figure is a decimal, it should be rounded up or down to the nearest convenient number.

In conclusion, dividing the range of data by the number of classes you want to use will give you the class width. The formula for finding the class width is: Class width = (Highest data value - Lowest data value) / Number of classes.

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\(v{j} = 500\)

\(vpj = - 1500\)

\(vpj = vp - vj\)

\( - 1500 = vp - 500\)

\(vp = - 1000\)

= 1000 km/h

Speed of ejection of combustion products observed from ground is 1000km/h in direction opposite to the direction of motion of the jet airplane.

Answer:

Approximately \(2.69\; {\rm A}\).

Explanation:

Ensure that all values are measured in standard units. Charge should be measured in coulombs, while time should be measured in seconds:

\(\begin{aligned}t &= 3.0\; {\rm hr} \times \frac{3600\; {\rm s}}{1\; {\rm hr}} = 10800\; {\rm s}\end{aligned}\).

Electric current \(I\) is the rate of flow of electric charge.

In order to find the electric current, divide electric charge \(q\) by the time \(t\) required to transfer these charge. If charge \(q\!\) is measured in coulombs and time \(t\!\) is measured in seconds, the unit of current \(I\)would be amperes:

\(\begin{aligned}I & = \frac{q}{t} \\ &= \frac{29000\; {\rm C}}{10800\; {\rm s}} \approx 2.69\; {\rm A}\end{aligned}\).

For Kepler's third law this can be solved as normal ratios

The number of asteroids which will be detected during the second measurement is 1333.34.

These are referred to objects which revolve round the sun and are characterized by their small rocky shape.

Kepler's third law can be used to solved it using normal ratios

1000/60=x/80

100/6 = x/80

6x = 8000

x= 8000/6

x=1333.34asteroids

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Answer:

i'm pretty sure it is wave speed or wave

answer:

click on the picture, hope it helps

The magnitude of the electric field at that location is is 40  N.C⁻¹.

The force per unit charge exerted on a positive test charge that is at rest at a given position is the force per unit charge that is used to define the electric field analytically.

Electric charge or magnetic fields with variable amplitudes can produce an electric field.

Given parameters:

Charge of the positive test charge, q =  5.0x10⁻⁶ C.

Electric force exerted by the electric field, F = 2.0x10⁻⁴ N.

Then, electric field at the position, E = F/q

= 2.0x10⁻⁴ / 5.0x10⁻⁶ N.C⁻¹.

= 40  N.C⁻¹.

Hence,  the magnitude of the electric field at the location of the test charge is 40  N.C⁻¹.

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The magnitude of the resultant force can increase instantaneously due to the simultaneous application or addition of forces that act in the same direction.

When forces act on an object, their individual magnitudes and directions determine the resultant force. The resultant force is the vector sum of all the applied forces.

If multiple forces are applied simultaneously and they all act in the same direction, the magnitudes of these forces add up to create a larger resultant force.

Consider a simple example: pushing a box on a frictionless surface. If you exert a force of 10 Newtons on the box towards the right, and another person exerts a force of 15 Newtons towards the right simultaneously, the resultant force acting on the box will be 25 Newtons towards the right.

In this case, the magnitude of the resultant force increased instantaneously due to the addition of the individual forces. This instantaneous increase in magnitude occurs because the forces are aligned in the same direction.

However, it is important to note that if forces act in opposite directions, the resultant force may decrease or become zero depending on the magnitudes of the opposing forces.

Additionally, changes in the magnitudes of forces can occur over time, leading to gradual or continuous changes in the resultant force.

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Answer:

Explanation:

A Solid is one of the three main states of matter. By definition a solid is something whose molecules are so densely packed together that it allows it to keep its shape. Therefore if the item has a definite shape that does not change on it's own it is a solid. As opposed to a liquid which will take and fill the shape of it's container.

Available options are:

A. –4500 N

B. –2500 N

C. 2500 N

D. 4500 N

Answer:

-4500 N

Explanation:

Given that we have F₁ = 3000N? (force of the barge)

the force of the tugboat is F '

To pull the barge, the force of the tugboat must be greater than or equal to the force of the barge.

Hence, according to Newton's third law which states that for every action or force in nature, there is an opposite reaction.

Therefore considering the available option the correct answer is "- 4500N, " this is because it is greater than the force of the barge and it's in opposition to the force exerted.

Answer:

The answer is -4500 N

Explanation:

Answer:

Air does, in fact, have weight, and here's a simple way you can prove it. You'll need two identical balloons, a string, and a dowel. Attach the uninflated balloons to either end of the dowel. Attach the string to the center of the dowel and then hang it from something.

Explanation:

Answer:

hello and thank you

Explanation:

The existence of coal beds in Antarctica is evidence that the region once experienced significant warming and was home to vast amounts of plant life.

One of the earliest hypotheses put up by geologists for how continents might migrate through time is called continental drift. The science of plate tectonics has now supplanted the theory of continental drift.

The scientist Alfred Wegener is most closely connected with the concept of continental drift. Wegener wrote a paper outlining his notion that the continents were "drifting" across the Earth, occasionally crashing through oceans and into one another, in the early 20th century. He referred to it as continental drift.

What is known about Antarctica's changing climate is that it didn't begin to cool until roughly 34 million years ago, when the continent was severed from the others which supports Continental Drift theory.

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Answer:

The magnitude of the point charge is 3.496 x 10⁻⁶ C

Explanation:

Given;

radius of the surface, r = 14.3 m

magnitude of the potential, V = 2.2 kV = 2,200 V

The magnitude of the point charge is calculated as follows;

\(V = (\frac{1}{4\pi \epsilon _0} )(\frac{Q}{r} )\\\\V = \frac{KQ}{r} \\\\Q = \frac{Vr}{K} \\\\Q = \frac{2,200 \times 14.3}{9\times 10^9} \\\\Q = 3.496 \times 10^{-6} \ C\\\\Q = 3.496 \ \mu C\)

Therefore, the magnitude of the point charge is 3.496 μC

Answer:

i) Power = Force * Velocity = 1100 * 15 = 16500 W = 16.5 kW(ii)  Find the value of k first: F = 400 + k(15^2)                                              k = 28/9    F = 400 +(28/9)(30^2) = 320

Explanation:

The standard quartz lenses has an advantage over the fresnel plastic lens because of its superior optical quality. Quartz is a naturally occurring mineral that is highly transparent and has a low refractive index, which means that light passes through it easily without being bent or distorted.

This makes it an excellent material for lenses, as it allows for high quality optical performance with minimal distortion or aberrations. In contrast, fresnel plastic lenses are made from a series of concentric rings or grooves that bend and refract light in a specific way to achieve a desired optical effect. While these lenses can be made relatively cheaply and are often used in low-cost consumer products, they tend to have lower optical quality than quartz lenses. Overall, the superior optical quality of quartz lenses makes them a preferred choice for applications where high precision and clarity are important.

As in scientific instruments, high end cameras, and advanced optical systems. Standard quartz lenses are made from high quality materials, such as fused silica or quartz glass, which allows them to provide better optical performance, including clarity, light transmission, and minimal distortion. Additionally, quartz lenses are more resistant to scratches, heat, and UV radiation, making them more durable and longer-lasting compared to Fresnel plastic lenses, which are made from more lightweight and less expensive materials.

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Answer:

17.7MN

Explanation:

Given Data

m1 = 5.98 x 10^24 kg

m2= 15,000 kg

R= 6.378 x 10^6 m+575-km

R= 6.378 x 10^3+575*10^3-km

R= 581378m

G = 6.673 x 10-11 N m^2/kg2

This net centripetal force is the result of the gravitational force that attracts the satellite towards the central body and can be represented as

F =GM1M2 / R^2

F =6.673 x 10-11* 5.98 x 10^24*15,000 /  581378^2

F =6.673 x 10^-11* 5.98 x 10^24*15,000 /  581378^2

F= 39.90454*10^13*15,000/  581378^2

F= 598.5681*10^16/338000378884

F= 17709095.5335N

F= 17.7MN

Answer: Heat transfer due to emission of electromagnetic waves is known as thermal radiation.

Explanation: Heat transfer through radiation takes place in form of electromagnetic waves mainly in the infrared region. Radiation emitted by a body is a consequence of thermal agitation of its composing molecules.

Answer: Thermal Radiation is the right answer.

Explanation:

Answer:

1. D. They can be a substance, material, object or  source of energy.

2. B. The properties will be different.

3. C. When two reactants form one product, the  reaction is spontaneous.

To convert the ideal-gas equation to relate Ppsig, Vft³, nlb-mole, and T°F and the total amount of gas is calculated by converting the moles of CO and N to lb-mole and to estimate the temperature needed to increase the gas pressure to 3000 psig, Convert the obtained temperature in K to °F.

The equation relating P (psig), V (ft³), n (lb-mole), and T* (°F) is:

P = 14.7 * P(atm), V = 28.3168 * V(L), n

= 2.20462 * n(mol), and T*

= (9/5) * T(K) - 459.67 and to calculate the total amount of gas in lb-mole, multiply the number of moles of CO by its molar mass and convert to lb-mole and to estimate the temperature in °F required to increase the gas pressure to 3000 psig.

(a) To convert the equation, we need to apply the following conversions:
- To convert P from atm to psig, multiply by 14.7 (since 1 atm = 14.7 psig).
- To convert V from liters to ft³, multiply by 28.3168 (since 1 liter = 0.0353 ft³).
- To convert n from mol to lb-mole, multiply by 2.20462 (since 1 mol = 2.20462 lb-mole).
- To convert T from K to °F, use the conversion formula:

T* = (9/5) * T(K) - 459.67.

(b) To calculate the total amount of gas in lb-mole, multiply the number of moles of CO by its molar mass (using the periodic table) and convert to lb-mole by multiplying by the molar mass of CO (28.01 lb/lb-mol). To calculate the mass of CO in lb, multiply the number of moles of CO by its molar mass (28.01 g/mol) and convert to lb by dividing by 453.59237 g/lb.

(c) To estimate the temperature in °F required to increase the gas pressure to 3000 psig, rearrange the ideal gas equation to solve for T*. Substitute the known values: P = 3000 psig (pressure limit), V = 3.5 ft³ (volume), n = 30.0 mole (number of moles), and solve for T*. Note that this estimate may not be accurate at high pressures.

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Answer:

a on edge

Explanation:

Answer:

120 V

Explanation:

v=i*r

v=0.15*800

v=120

Answer:

hi my name is antonette Jane S pascua please help me my question thank you for your answer

Answer:

The car is 140 km south from where it started.

Explanation:

As the distance between charged tape and charged rod decreases, the force of interaction between them increases.

The force of interaction between the charged tape and charged rod is governed by Coulomb's Law.

This law states that the force between two charged objects is directly proportional to the product of their charges and inversely proportional to the square of the distance between them.

So, as the distance between the charged tape and charged rod decreases, the force of interaction increases.

This is because the charges on the objects are now closer to each other, allowing for a stronger attraction or repulsion, depending on the nature of the charges (like charges repel, opposite charges attract).

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