Mosa and Billy are picked up by a red blood cell, who takes them on their journey. What is the job of the red blood cell? What system is it a part of

Answer: To see objects surrounding more clearly

Explanation:

In the Eulerian description of fluid motion, we are interested in field variables as relationships between space and time inside a flow domain a control volume, such as velocity, temperature, and pressure etc.

The speed of an object in a specific direction is its velocity. Since it is a vector quantity, its magnitude and direction are both present. Velocity, which is frequently represented by the letter v, measures the rate at which an object's position changes. Both metres per second (m/s) and kilometres per hour (km/h) are used to measure it. The formula v = s/t, where v is the velocity, s is the distance travelled, and t is the journey time, can be used to determine velocity. The formula v = s/t, where v is velocity, s is the change in distance, and t is the change in time, can also be used to determine velocity. An object must maintain the same direction and speed in order to have a constant velocity.

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The factor of safety for the slope stability analysis needs to be determined for a regolith slope in central California. The parameters provided include regolith cohesion, angle of internal friction, and regolith density. The analysis involves evaluating the stability of the slope under different conditions, such as changes in water depth, angle of internal friction, and slope steepness. Recommendations for the homeowners regarding the safety of their homes and potential remediation measures will also be provided.

To calculate the factor of safety, we need to consider the forces acting on the slope. The driving force is the weight of the regolith, which can be calculated by multiplying the density of the regolith by the volume of the slope. The resisting force is the shear strength of the regolith, which is determined by the cohesion and angle of internal friction. The factor of safety is the ratio of the resisting force to the driving force.

a. To determine the factor of safety, we can use the given parameters and calculate the driving force and resisting force. By dividing the resisting force by the driving force, we can obtain the factor of safety. If the factor of safety is greater than 1, it indicates that the slope is stable. If it is less than 1, the slope is considered potentially unstable.

b. If the water depth increases by 2 m, it adds additional weight to the slope, increasing the driving force. This decrease in the factor of safety suggests a less stable slope compared to the initial scenario.

c. If the angle of internal friction increases by a factor of 2, it enhances the shear strength of the regolith. This increase in the factor of safety indicates a more stable slope.

d. If the slope becomes steeper by a factor of 2, it increases the driving force. This decrease in the factor of safety suggests a less stable slope.

e. Based on the analysis, it is important to advise the homeowners that the slope is currently unstable, considering the factor of safety is less than 1. Remediation measures may include slope stabilization techniques such as installing retaining walls, soil reinforcement, or drainage systems to manage water infiltration and reduce driving forces. It is recommended to consult with a geotechnical engineer to develop a comprehensive slope stability plan for the safety of the home.

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Answer:

The heat from the radioactive processes within the planets inferior causes the plates to move sometimes away from each other. This movement is called the tectonic shift

Answer:

A centripetal force

Explanation:

The type of force in the given scenario is tension. The correct option is c.

Tension is defined in physics as the pulling force conveyed axially by a string, cable, loop, or similar material, or by every end of a rod, truss member, or similar three-dimensional object.

Tension can also be defined as the action-reaction pair of forces acting at each end of said elements.

Newton's second law states that the tension in the rope must equal the weight of the backed mass.

Tension, the normal force, and friction are all examples of contact forces.

Since the weight is not moving, the acceleration is zero. Even if the acceleration is not zero, this equals zero.

Thus, the correct option is c.

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Your question seems incomplete, the missing options are:

The claim can be Cosmetics, hygiene, and cleaning product emissions may be dangerous.

Evidence 1: Effect of Air Quality

Volatile organic compounds (VOCs), including formaldehyde, benzene, and toluene, can be found in a variety of cosmetic, hygiene, and cleaning goods. These VOCs have the potential to evaportate and cause indoor air pollution.

Environmental impact is evidence number two

Cosmetics, hygiene, and cleaning goods can have a detrimental environmental impact during manufacturing, usage, and disposal. Microplastics and certain chemicals are among the substances present in these items that may find their way into rivers and endanger aquatic life.

Evidence 3: Worker health effects

Occupational health risks can be present for workers who manufacture and produce hygiene, cleaning, and cosmetic items.

Reasoning: It is clear from the research that emissions from cosmetic, hygiene, and cleaning goods have the potential to be harmful.

Thus, this way, harmful are the emissions from cosmetics, hygiene, and cleaning products.

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Answer:incidence

Explanation: Because it depends on incident

The speed of the fish is 20.411 m/s

We are given that,

Initial speed = u =16.6m/s

Mass of fish = m = 2.10kg

Altitude of the bird = h = 7.20m

Acceleration due to to gravity = a = 9.8m/s²

Thus equation of motion can be given by the formula ,

h = ut + (1/2)at²

If taking initial velocity is zero then ut = 0, thus above equation can be written as,

t² = (2 × 7.20m)/9.8m/s²

t² = 1.469s

t = 1.212 sec

Then the vertical velocity after 1.212sec can be calculated as,

Vy = u + gt

Vy = 0 + 9.8m/s²× 1.212sec

Vy = 11.8776m/s

Horizontal velocity will be same as the initial velocity,

Vnet = √u² +V²y

Vnet = √(16.6m/s)²+(11.8776m/s)²

Vnet = 20.411 m/s

Therefore , the speed of the fish would be 20.411m/s

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Answer:

Resistance, resistivity and drift velocity varies with relaxation time which is dependent on temperature.

Number of free electrons in a conductor remains invariant even if its temperature changes.Hence correct option is option D.

Answer: The statement when the motion energy of an object changes, energy is being transferred is true.

Explanation:

Motion energy is also called mechanical energy and it is the summation of kinetic energy and potential energy stored in an object required for work.

As kinetic energy is the energy acquired due to motion of an object and potential energy is the energy acquired by an object due to its position.

For example, when a moving ball strikes another ball causing it to move then energy is being transferred from one ball to another.

Therefore, the statement when the motion energy of an object changes, energy is being transferred is true.

The coefficient of kinetic friction between the bag and the ground is found to be 0.0251. It represents the ratio of the frictional force to the normal force acting between them.

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Answer:

9 ohms

Explanation:

P = V²/R

R = v²/p = 6²/4 = 36/4 = 9 ohms.

The resistance is 9 Ohm.

To find the resistance, we need to know about the power in term of resistance and voltage.

Thus, we can conclude that the resistance is 9 Ohm.

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Jessica's rate, or speed, in miles per hour can be calculated as 1.2 miles per hour.

To calculate Jessica's rate in miles per hour, we need to determine the total distance she covered and the total time it took. According to the given information, after two minutes (or 2/60 hours), she is x miles from home, and after twelve minutes (or 12/60 hours), she is y miles from home.

To find the total distance covered, we subtract the initial distance from the final distance:

Total distance = y - x miles

To find the total time taken, we subtract the initial time from the final time:

Total time = (12/60) - (2/60) hours

Now, we can calculate the rate using the formula:

Rate = Total distance / Total time

Substituting the values, we have:

Rate = (y - x) / ((12/60) - (2/60)) = (y - x) / (10/60) = 6(y - x) miles per hour

Since the rate is in miles per hour, we need to find a numerical value for 6(y - x).

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Answer:

Fc= 47.363 N

Explanation:

First, you need tangential velocity because they don't give that to you in the problem.

So, the formula for tangential velocity is υ=2πr/t.

For this problem its v=2π4/10= 2.513 m/s

Then we plug this into our equation for centripetal force

Fc= 30*(2.513)^2/4=47.363 N

Fc=47.363 N

The centripetal force acting on Tommy is 47.36 N if Tommy, who has a mass of 30 kg, sits 4.0 meters from the center of a merry-go-round that is rotating for a period of 10 seconds.

A tangible body's mass is the amount of matter it possesses. It's also a metric of inertia or the resistance to velocity when a net force is exerted.

It is given that:

Tommy, who has a mass of 30 kg, sits 4.0 meters from the center of a merry-go-round that is rotating for a period of 10 seconds.

As we know the formula for the centripetal force:

Fc = mv²/r

m = 30 kg

r = 4 meters

First, find the tangential velocity:

The formula for tangential velocity is:

v = 2πr/t

v = 2π4/10

v = 2.513 m/s

Plug the values in the formula:

Fc= 30(2.513)²/4

Fc = 47.36 N

Thus, the centripetal force acting on Tommy is 47.36 N if Tommy, who has a mass of 30 kg, sits 4.0 meters from the center of a merry-go-round that is rotating for a period of 10 seconds.

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Answer:

total distance = 36 m

Explanation:

total distance the object moved in 20 s:

1st leg: Δy = 20-3 = 17

2nd leg: Δy = 15-3 = 12

3rd leg: Δy = 15 - 8 =7

Total distance = 17 + 12 + 7 = 36 m

Answer:

The object will continue to move with a constant velocity.

Explanation:

Hope this helps you :)

Answer:

a)   t = 20 s,  b)  x = 1000 m, As the runway is only 800 m long, the plane cannot land at this distance

Explanation:

This is a kinematics exercise

a) in minimum time to stop,

           v = vo + at

           v = 0

           t = -v0 / a

we calculate

          t = -100 / (5.00)

          t = 20 s

b) Let's find the length you need to stop

          v² = vo² + 2 a x

          x = -v0 ^ 2 / 2a

          x = - 100² / 2 (-5.00)

          x = 1000 m

As the runway is only 800 m long, the plane cannot land at this distance.

At a high altitude, water boils at 95°C instead of 100°C as at sea level because the air pressure is lower.

The boiling point of a liquid is the temperature at which its vapor pressure is equal to the external pressure acting on the surface of the liquid. At higher altitudes, the atmospheric pressure is lower due to the decreased weight of the air above. As a result, the vapor pressure of water increases, and it requires less heat to reach its boiling point. Therefore, water boils at a lower temperature at higher altitudes.

Options A, C, and D are incorrect because they do not affect the boiling point of water. The air pressure, on the other hand, plays a significant role in determining the boiling point of a liquid.

In summary, at a high altitude, water boils at 95°C instead of 100°C as at sea level because the air pressure is lower.

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Answer:

The distance traveled is 24 m.

Explanation:

speed, v = 3 m/s

time, t = 8 s

Let the distance is d.

distance = speed x time

d = 3 x 8 = 24 m

Answer:

Because rice mill is more advanced than dhiki.

It is the developed form of the dhiki.

Answer:

Explanation:

Answer:

30.5mm

Explanation:

There are 300 pages, so to find the number of pages we do 0.1mm*300 to get 30mm. There are two covers in the book (the front and the back). 0.25mm*2 = 0.5mm. To determine the total thickness of the book we do 30mm+0.5mm to get a total of 30.5mm

Your answer is 30.5mm.

Answer:

15.5mm

Explanation:

there are 150 pages(one page has 2 sides so 300/2 = 150) and 2 covers

page's thickness is 0.1mm, cover's thickness is 0.25

so books thickness = 150*0.1+0.25*2 = 15.5mm

The period of the pendulum on the surface of Mars, where g = 3.71m/s², would be the same as the period on Earth, 1.70s.  The pendulum on the surface of Mars has a period of roughly 3.31 seconds, according to our calculation of this expression.

A basic pendulum's period is determined by the equation T = 2(L/g), where T is the period, L is the pendulum's length, and g is the acceleration brought on by gravity.

L = (T/(2))2g can be solved for on Earth with a period of 1.70s by rearranging the equation.

Using the same equation and the Mars surface gravity, g = 3.71m/s2, we can now get the period on Mars' surface: T\(_{mars}\) = 2(L/g\(_{mars}\)).

The equation T\(_{mars}\) = 2(((T/(2))2g)/(g\(_{mars}\))) is obtained by substituting the expression for L and the surface gravity of Mars.

T\(_{mars}\) = T(g/g_Mars), to simplify the formula.

T\(_{mars}\) = 1.70s(9.81m/s2 / 3.71m/s) is the result of plugging in the data. The pendulum on the surface of Mars has a period of roughly 3.31 seconds, according to our calculation of this expression.

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Answer:

There are four types of orbitals that you should be familiar with s, p, d and f (sharp, principle, diffuse and fundamental). Within each shell of an atom there are some combinations of orbitals

Given :

Initial velocity, u = -15 m/s.

Acceleration , a = 2 m/s².

Time taken to applied brake, t = 2.5 s.

To Find :

The velocity of the car at the end of the braking period.

How far has the car moved during the braking period.

Solution :

By equation :

\(v = u+at\\\\v=-15 + 2\times 2.5\\\\v=-10 \ m/s\)

Now, distance covered by car is :

\(s=ut+\dfrac{at^2}{2}\\\\s=(-15)(2.5)+\dfrac{2(2.5)^2}{2}\\\\s=-31.25\ m\)

Hence, this is the required solution.

Answer is the hind brain

The brainstem is located under the forebrain and midbrain. Therefore option D is correct.

The brainstem is located under both the forebrain and midbrain. It is a vital component of the central nervous system that connects the brain to the spinal cord and controls many essential functions such as breathing, heart rate, and digestion.

It consists of three main regions: the medulla oblongata, pons, and midbrain. The forebrain, midbrain, and hindbrain together constitute the major divisions of the brain.

The hindbrain is positioned below the midbrain and includes structures like the cerebellum, pons, and medulla oblongata.

The brainstem, specifically its lower regions, is responsible for relaying information between the brain and the rest of the body while regulating critical bodily functions.

Therefore option D is correct.

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If the mass of a glider in an oscillatory system is doubled while assuming no damping, the period of oscillation would remain unchanged.

The period of oscillation (T) is the time taken for one complete cycle of oscillation, which is independent of the mass of the object in simple harmonic motion. The period is determined by other factors such as the stiffness of the system and the restoring force acting on the object.

In a simple harmonic oscillator, the period is given by the equation:

T = 2π * √(m/k)

Where m is the mass of the object and k is the spring constant or the stiffness of the system.

Doubling the mass of the glider would increase the numerator of the equation by a factor of 2, but it would also increase the denominator by the same factor since the spring constant remains constant. As a result, the ratio of mass to stiffness remains the same, and the square root of that ratio (which represents the period) also remains the same.

Therefore, doubling the mass of the glider would not affect the period of oscillation, and it would remain unchanged.

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Answer:

Explanation:

Some objects have energy as a result of their shapes or positions. Energy that results from the position or shape of an object is called potential energy. Gravitational Potential Energy – potential energy related to an object's height.

Answer: Mass and Distance from the center of mass

Explanation:

The source mass that is causing the gravitational pull, and the distance a test mass is away from the origin of the center of mass