Blood contains different parts mainly plasma and red blood cells when people give blood there are machines that separate

The average acceleration is 6.87 m/s^2.

It travels up to 52.25m in that time.

a) The motorcycle is initially at rest. this means that the initial velocity is Zero.

The average acceleration is caused by the kinematic equation of motion in terms of velocity, acceleration and time.

V = u + at

So substituting all the values, we have,

26.8 = 0 + 3.90*a

⇒ a = 26.8/3.90

⇒ a = 6.87 m/s^2

Hence the Motorcycle has the average acceleration 6.87 m/s^2

b) The distance travelled by the motorcycle in the time 3.9s can be found be the kinematic equation of motion in terms of position with constant acceleration.

S = ut + 1/2 at^2

Substituting all the values,

x = 0*3.9 + 1/2[(6.87)(3.90)^2]

x = 1/2[(6.87)(3.90)^2]

⇒ x = 52.25m

Thus, the motorcycle can travel upto 52.25m in that time.

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For a 166-lb person, a dose of 452 milligrams is prescribed to treat asthma.

Lung damage is a side effect of asthma. Repeated episodes of coughing, dyspnea, chest tightness, and wheezing are also brought on by it. By taking medication and avoiding the triggers that can set off an attack, asthma can be managed. Outdoor allergens, such as pollen from grass, trees, and weeds, are common asthma triggers. Different allergens and irritants might function as triggers for different people. Dust mites, cockroaches, mold, and pet dander are examples of indoor allergies. Air irritants like smoke, chemical fumes, and powerful scents.

Mass = 166 lb×(453.59 g/1 lb)×(1kg/1000g)=75.30 kg

Dose = 75.30 kg ×(6.00 mg/1 kg)=452 mg

Elixophyllin has a 452 mg dose for a 166 lb person with asthma.

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Since System B has a higher enthalpis at a given pressure than a saturated vapor, it is in superheated vapor.

Solvent vapor is heated over its usual boiling point at atmospheric pressure to create superheated vapor. Its capacity to heat objects over the boiling point of the solvent it uses is what makes it special. The primary purpose of superheated vapor is to burn off any remaining liquid solvent that has been trapped in cracks of parts. A vapor that is saturated and on the verge of condensing. The equilibrium between the liquid and vapor phases is known as a saturated liquid-vapor mixture. Vapor that is excessively heated but not yet ready to condense (i.e., not a saturated vapor). You can produce superheated steam by using, for instance, steam that has been extracted from a boiler. It is then sent through a different heater, referred to as a superheater, to add more heat to the steam through radiation or direct contact. Because it ensures that the liquid refrigerant is boiled off before leaving the evaporator and moving to the compressor, superheating is essential in HVAC systems.

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The reaction is the force that the punching bag exerts on the boxer.

According to the Newtons third law of motion, action and reaction are equal and opposite. This implies that when force is exerted on a body, the body exerts the same magnitude of force back but in a different direction. Thus is why a gun recoils after the bullet has been shot.

Having known that action and reaction are equal and opposite, assuming that the boxer punching the punching bag is the action, the reaction is the force that the punching bag exerts on the boxer.

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First, it depends on the cross-sectional/frontal area of the falling object, that is the amount of air the object must plow through as it falls. Second, it depends on the speed of the falling object.

When an object is dropped through the air, it usually faces air resistance. Air resistance is caused by collisions between the object's leading air and surface molecules. Several variables determine the actual degree of air resistance the object faces. The object's speed and the frontal area of the object are the two predominant factors that have a direct effect on the amount of air resistance. Increased speeds cause an increase in air resistance. Increased cross-sectional areas lead to increased air resistance.

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Between the plates the equipotential are evenly spaced and parallel.

Equipotential lines -  A line along which the electric potential is constant.

These lines are are perpendicular to electric field lines.

These are also known as isolines of electric potential.

Potential is most positive (greater) near the +ve charge and more negative (least) near -ve charge.

Work along the electric field lines depends on the magnitude of the charge and the potential difference through which the charge is moved.

An equipotential surface is a 3D version of equipotential line.

Equipotential surface is a surface on which the electric potential is same at every point.

Field lines and equipotential surface are always perpendicular to each other.

Between the plates the equipotential are evenly spaced and parallel.

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The jogger's acceleration is 0.558m/[tex]s^{2}[/tex]. 9.628 in [tex]m/hr^{2}[/tex] is the acceleration of jogger.

The rate at which an object's velocity with respect to time varies is referred to as acceleration in mechanics. The vector quantities are the accelerations (in that they have magnitude and direction). An object's acceleration is determined by the direction of the net force exerted on it.

According to Newton's Second Law, an object's acceleration is determined by a combination of two factors: the mass of the object and its mass, depending on the materials from which it is made. The magnitude of an object's acceleration is directly proportional to the net result of all external forces acting on the object.

The acceleration is measured in meters per second squared in the SI system.

For example, when a vehicle starts from standstill (zero velocity, in an inertial frame of reference) and travels in a straight line at increasing speeds, it is accelerating in the direction of travel. If vehicle turns, an acceleration occurs toward the new direction and changes its motion vector.

The acceleration of vehicle in its current direction of motion is called a linear (or tangential during circular motions) acceleration, the reaction to which the passengers on board experience as a force pushing them back into their seats. When changing direction, effecting acceleration is called radial (or centripetal during circular motions) acceleration, the reaction to which the passengers experience as a centrifugal force.

Jogger's acceleration = 0.558m/[tex]s^{2}[/tex]

1 hour= 3600s

acceleration in mi/[tex]hr^{2}[/tex]=( 0.558*3.28*[tex]\frac{1}{5280}[/tex])/ (1*[tex]\frac{1}{3600}[/tex])= 9.628m/hr[tex]^{2}[/tex]

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Answer:

6.7 x 10^8 mi/hr

Explanation:

Do the math with units ONLY

   km/s    *   miles/ km   *  s/hr   =   mi / hr    ( ...as the km and s cancel out)

                           now.... put in the numbers

     3 x 10^5   km/s   *   .62  mi/km  * 3600 s / hr  = 6.7x 10 ^8  mi/hr

The weight of the fuel when the tank is filled is 2.13 kip.

The density of the fuel of the jet engine= 1.32 slug/ft³

The total volume of the fuel that can be filled in the fuel tank of a jet engine = 50 ft³

The specific weight of the fuel when the tank is filled is,

[tex] \gamma = p \times g[/tex]

[tex] \gamma = 1.32 \times 32.2[/tex]

[tex] \gamma = 42.504 \: ib/ft ^{3} [/tex]

The specific weight of the fuel when the tank is filled is 42.504 ib/ft ³.

The weight of the fuel when the tank is filled is,

[tex]w = \gamma \times ∀[/tex]

[tex]w = 42.5.4 \times 50[/tex]

[tex]w = 2.13 \: kip[/tex]

The weight of the fuel is 2.13 kip.

Therefore, the weight of the fuel when the tank is filled is 2.13 kip.

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The 88 sectors into which astronomers today divide the celestial sphere (the whole sky) are called constellations.

A constellation is a group of stars that make an imaginary shape in the night sky.

They are usually named after mythological characters, people, animals and objects

Astronomers divided the entire sky into 88 sectors, or constellations; this international system codifies the naming of stars and star patterns that began in prehistoric times.

Thus, the 88 sectors into which astronomers today divide the celestial sphere (the whole sky) are called constellations.

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Answer:

4:Hhhhghhhhhhhhhhhhhhhhhhhhhhhhhhhhh. 5:Bbbbbbbbbbbbbbbbbbbbb

By using uniform motion, the distance needed to stop at the red light is 54.36 m.

We need to know about the uniform motion to solve this problem. The uniform motion is an object's motion under acceleration. It should follow the rule

vt = vo + a . t

vt² = vo² + 2a . s

s = vo . t + 1/2 . a . t²

where vt is final velocity, vo is initial velocity, a is acceleration, t is time and s is displacement.

From the question above, we know that

a = -3 m/s²

vo = 65 km/h = 18.06 m/s

vt = 0 m/s

By using the second equation, we get

vt² = vo² + 2a . s

0² = 18.06² + 2(-3) . s

6s = 326.16

s = 54.36 m

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wavelength at the maximum energy radiated by the sun is

499× 10⁻⁹m  (499nm)

wavelength at the maximum energy radiated by the sun occur measure by:

wien's displacement law : The black body radiation at a wavelength is inversely proportional to temperature.

acc. to wien's displacement law

λ= b/T

 λ is wavelength

where T is the temperature

The sun has a surface temperature of approximately 5800 k.

b is constant of proportionality

b = 2.8977×10⁻³mk

T = 5800k

using values in above equation

λ = 2.8977 × 10⁻³ mk/ 5800k

λ= 499× 10⁻⁹m  =499nm

wavelength at the maximum energy radiated by the sun is

499× 10⁻⁹m  =499nm

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The equation of the normal line is y = - 2x + 3

We know that,

The equation of normal line given of the curve is given by

( y - [tex]y_{1}[/tex] ) = m ( x - [tex]x_{1}[/tex] )

Given that,

Equation of curve is y = [tex]\sqrt{x}[/tex]

Equation of the line parallel to the normal line of curve is 2x + y = 1

The slope of normal is same as that of the line parallel to it. So,

2x + y = 1

y = - 2x + 1

On differentiating both sides by x,

dy / dx = - 2

which is the slope of normal line

To find slope of the curve,

y = [tex]\sqrt{x}[/tex]

y = [tex]x^{1/2}[/tex]

dy / dx = 1/2 x

which is the slope of the curve.

Since the curve and its normal line is perpendicular,

[tex]m_{1} m_{2}[/tex] = -1

-2 * 1/2 x = -1

x = 1

At x = 1,

y = [tex]\sqrt{1}[/tex] = 1

The point is ( 1 , 1 )

The equation of normal line given of the curve is

( y - [tex]y_{1}[/tex] ) = m ( x - [tex]x_{1}[/tex] )

y - 1 = - 2 ( x - 1 )

y = - 2x + 3

Therefore, The equation of the normal line is y = - 2x + 3

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When an electron is released from rest in a uniform electric field, its electric potential energy increases and this happens due to Law of Conservation of Energy.

The power that is required to move a charge in opposition to an electric field is known as electric potential energy.

A charge must be moved through a stronger kind of electric field with more energy, but it also must be moved through a weaker electric field but present with more energy.

When an electron is released from rest in a uniform electric field it accelerates opposite to the direction of field. Thus, according to the Law of conservation of energy, this energy is increased.

In any kind of uniform electric field, a positive charge that has been at rest accelerates in the direction of the electric field. Therefore, because of this and as a result of the law of conservation of energy, K.E. rises while P.E. falls.

Therefore, P.E. of positively charged particles decreases because the force q causes charged particles to move faster in the direction of the field.

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Both countries will have the same advantage in producing goods if they produce the consumption goods and capital goods and currently have identical production curves.

According to the theory of comparative advantage, a person should participate in an economic activity in which they have a comparative advantage, i.e., in which they are more effective than in the other activity. In terms of economies, they should engage in the production of those commodities and services at which they are better placed than the other.

The output potential, resource level, and technological level of two nations A and B are identical. This suggests that both countries A and B are producing at the same level and that neither one is doing better than the other in terms of production.

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The following statements which best describes what the phrase "rate of change" is the difference in some quantity over some period of time and is denoted as option B.

This is referred to as the ratio between quantities such as velocity, acceleration etc. This is because velocity is referred to as the rate of change of displacement with time and the S.I unit is referred to as metre per second.

This is therefore the reason why difference in some quantity over some period of time was chosen as the most appropriate choice in this type of scenario.

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A ball is launched into the air vertically. Because of air resistance, it takes less time to come down than to get up.

The forces that oppose an object's relative motion as it travels through the air are known as air resistance. These drag forces cause the object to move more slowly by acting in opposition to the speed of the incoming flow. Since drag is the part of the net aerodynamic force operating in the opposite direction to the direction of the movement, it differs from other resistance forces in that it directly depends on velocity.

Another way to describe it is to say that air resistance is caused by the leading surface of the object smacking with air molecules. Therefore, it can be claimed that the object's speed and cross-sectional area are the two most frequent variables that directly affect the quantity of air resistance. Thus, an increase in air resistance will be caused by both increasing speeds and cross-sectional areas.

In the context of aerodynamics and flight, the term "drag" refers to both the forces opposing and perpendicular to propulsion (i.e. lift). Depending on the circumstances, atmospheric drag can be either a positive or negative factor in astrophysics. When a spacecraft is returning to Earth from orbit, it both uses fuel and reduces efficiency during takeoff.

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At 8.3145 k temperature will the reaction proceed 3.503.50 times faster than it did at 359 k.

Enactment energy is the base measure of energy expected to start a response. It is the level of the potential energy obstruction between the potential energy minima of the reactants and items. Actuation energy is indicated by E and normally has units of kilojoules per mole (kJ/mol) or kilocalories per mole (kcal/mol). Regardless of whether the energy of reactants is more prominent than that of its items and the outcome is a general loss of energy, energy actually should be input at first for the response to happen. Nonetheless, in a large number of the cases in which a response is thermodynamically plausible it has likewise demonstrated conceivable to track down an impetus, dynamic and particular enough to understand this response.

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The discovery of ribozymes provide evidence that life on the early earth may have been based on RNA world hypothesis.

We must think about how these mechanisms developed during evolution in order to completely comprehend the processes taking place in modern living cells.

The production of genetic information, which today requires incredibly complicated machinery and travels from DNA to protein via an intermediary called RNA, is the most fundamental of all such issues.

One theory holds that there was an RNA world on Earth before contemporary cells emerged. This is the hypothesis.

RNA was a genetic information repository and a catalyst for chemical reactions in the earliest cells.

Proteins took over as the main catalytic and structural component of cells considerably earlier in the evolutionary process than DNA, which didn’t become the major genetic component until much later. If this hypothesis is correct, the departure from the RNA world was never truly complete.

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This is an example of regulatory environmental force.

A tanning bed is a place where the skin is darkened. The term tanning has to do with the process of the darkening of the skin. It could bee achieved naturally when a person is exposed to the ultraviolet radiation from the sun. As such, a person that has a white skin could make his/her skin dark by tanning.

Now, the proposed law in new jersey that would ban the use of tanning beds by anyone under the age of 18 is a restriction that  would be an example of regulatory environmental force.

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Astronomers observe a typical star using a telescope and a spectrometer, and thereby they will see a given absorption spectrum of the celestial body.

The absorption spectrum of a given star in space is the light that is emitted by this celestial body in Universe, which can be measured by different technological devices including a spectrophotometer.

In conclusion, astronomers observe a typical star using a telescope and a spectrometer, and thereby they will see a given absorption spectrum of the celestial body.

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The force on the y-component is 227.92 N. suppose the x-axis force is 302 N counter clockwise and points at 149 degrees.

Given:

[tex]Force\;on\;x-axis,\;f =302\;N[/tex]

[tex]Angle,\;\theta=149^{\circ}[/tex]

We know that, Force on y-axis,

[tex]f_{y}=f\;sin\;\theta[/tex]

[tex]f_{y}=302\;sin\;\149^{\circ}[/tex]

[tex]f_{y}=227.92\;N[/tex]

Hence, the force acting on the y-component is 227.92 N.

Components of force in a vector are the magnitude and direction of each component. In other words, they provide information on how much push/pull is being exerted by an object on another object or person. Generally speaking, these components can be classified into two categories:

Anchor (A): The anchor represents the force that pulls objects together. It usually corresponds to the gravitational pull between two masses or large projectiles.

Magnitude (M): This refers to how strong the force is – greater numbers mean stronger forces.

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The average velocity in the first 45 seconds 3.11m/s and in the next 25 seconds is 3.6m/s and finally the average velocity for the entire trip is 3.28 m/s

The displacement of an object over time is its average velocity. We divide the distance traveled by the amount of time to determine an object's average speed. We are aware that velocity is a vector quantity, and that dividing displacement by time yields the average velocity.

1 ) 140 m to west in 45 seconds .

2 ) 90 m to east in 25 seconds .

The distance travelled by the balloon in first 45 s = 140 m

distance travelled by the balloon in next 25 s = 90 m

Total distance travelled by the balloon = 140 m + 90 m = 230 m

J ) average speed in first 45 s= distance in 45 s

= 140 ÷45 = 3.11 m /s

K ) average speed in next 25 s

distance in 25 s / 25

= 90÷ 25 = 3.6 m /s

L) average in entire trip

=  total distance / total time

= (140 + 90) ÷( 25 + 45 )

= 3.28 m /s

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The position-time graphs of the two joggers will look like a rectangle at the given time period.

A position time graph is a type of graph in which the position x of a particle is plotted on the y-axis and the time t on the x-axis.

The position time graph of the two jogger can be sketched as follows;

|                                               |                                               |

|                                               |                                               |

|                                               |                                               |

|-----------------------------------------|----------------------------------------|

15 m(west)                                                                               15 m(east)  

The position of both joggers will be same after the given time but their direction will be different.

Thus, the position-time graphs of the two joggers will look like a rectangle at the given time period.

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The speed of car is 106.67 miles per hour

To solve problems involving speed and distance we are required to first find speed or distance travelled in an hourly timeframe

It is given that car takes 4 hours to cover the distance at a speed of 40 miles per hour

Therefore, total distance travelled by the car= speed x time

                                                                          = 40 miles per hour x 4 hour

                                                                          =160 miles

We are required to find the speed of the car if the distance is to be covered in 1.5 hours

We are required to find the speed by the formula speed= Distance/time

distance= 160 miles     time = 1.5 hour

speed= 160/1.5=106.666=106.67 miles per hour

Hence the speed is 106.67 miles per hour

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Carbon has been converted to carbon dioxide and escaped into the atmosphere.

Diamond is a mineral composed of only Carbon in which its atoms are arranged in a crystal structure.

Diamonds (pure crystalline carbon C) heated strongly in the presence of oxygen will react with the oxygen to form carbon dioxide.

C ( diamond ) + [tex]O_{2}[/tex] ( air ) → C[tex]O_{2}[/tex]  

Therefore, the carbon which forms the diamond, has been converted to carbon dioxide and escaped into the atmosphere

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A car goes through a circular highway ramp while maintaining constant speed. The correct statement is the velocity of the car is zero.

This is defined as the rate of change of distance with time and is a vector quantity which measures both the rate and the direction of the motion.

A car maintaining constant speed means that distance covered is also 0m and the formula for velocity is distance / time.

This therefore means that velocity = 0m / 5s where time can be any digit.

This will result in the velocity being zero which is therefore the reason why it was chosen as the correct choice.

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The half-life of a nuclide that loses 38.0% of its mass in 407 hours is 737 hrs

Let the initial mass of nuclide is N° = 100

The final mass of nuclide after 407 hours

= 100 - 38 = 62

The expression for decay constant is

λ = 1/t ln(N°/Nt)

Substitute the given values and calculate the decay constant as,

λ = 1/407hr ln(100/62)

λ = 9.4 x 10^-4/hr

Now, the half-life is calculated as,

t1/2 = 0.693/λ

= 0.693/9.4 x 10^-4/hr

t1/2 = 737 hrs

Hence, the half-life of a nuclide is 737 hrs

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