You are designing an airport for small planes. One kind of airplane that might use this airfield must reach a speed before takeoff of at least 27. 8m/s and can accelerate at 2. 00m/s^2. (a) If the runway is 150m long, can this airplane reach the required speed for takeoff? (b) If not , what minimum length must the runway have?

Option C) decreasing Hernando’s pushing force will most likely decrease Tom’s acceleration on the swing.

The definition of acceleration is a change in the rate of motion, speed, or motion. An instance of acceleration is increasing your using pace from forty-five to 55 to merge with site visitors.

Accelerations are vector portions. The orientation of an object's acceleration is given with the aid of the orientation of the net force acting on that item. Acceleration is a vector quantity this is defined as the rate at which an object modifications its speed. An item is accelerating if it's far converting its velocity.

Speed ​​and acceleration are basic terms of motion. speed is the distance protected with the aid of an object in unit time, whilst acceleration is the charge of change of speed.

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Answer:

attracted... (not sure) close to...

The centripetal acceleration of the rubber stopper is 0.34 N. The explanation is as follows.

An object’s position relative to the center of a circle is given by the position vector, r. As the object moves, the length of the vector remains constant, but the direction changes. Velocity is displacement over time. So, displacement would be Δr. Recall that average velocity is Δd/Δt, so for circular motion

Given,

m = 13g

T = ?

r = 0.93m

Calculations:

\(a=4\pi ^{2} r/T\)

\(a=4(3.14)^{2} (0.93m) / (1.18s)^2=26m/s^{2}\)

T= ma= (0.013kg) (26 m/\(s^{2}\))

T = 0.34 N

* Note for force in N, mass must be in kg.

If forces come in pairs, is there an “outwardforce” causing the stopper to stay out there at the end of the string? When a car turns left sharply, is there a force causing a passenger to move toward the door? NO! Newton’s first law says an object in motion continues… This outward motion is simply the inertia of the object and this “centrifugal force” is FICTITIOUS!

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Explanation:

if the mass of both of the objects is doubled, then the force of gravity between them is quadrupled; and so on.

The change in the object's momentum is -12 kg*m/s.

The change in an object's momentum can be calculated using the formula:

Change in momentum = Final momentum - Initial momentum

In this case, the initial momentum can be calculated using the formula:

Initial momentum = mass x initial velocity

The mass of the ball is given as 2 kg and the initial velocity is 3 m/s in the positive direction. Therefore, the initial momentum is:

Initial momentum = 2 kg x 3 m/s = 6 kg⋅m/s

After the collision, the ball bounces off and moves at 3 m/s in the opposite direction. The final velocity is in the opposite direction, so we need to consider it as negative. Thus, the final velocity is -3 m/s.

The final momentum can be calculated using the formula:

Final momentum = mass x final velocity

Using the same mass of 2 kg, we have:

Final momentum = 2 kg x (-3 m/s) = -6 kg⋅m/s

Now, we can find the change in momentum by subtracting the initial momentum from the final momentum:

Change in momentum = -6 kg⋅m/s - 6 kg⋅m/s = -12 kg⋅m/s

In summary, the change in the object's momentum is -12 kg*m/s.

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The goal of the lab is to investigate the relationship between density and buoyancy. The lab aims to determine how different objects or substances behave in fluids and understand the principles of density and buoyancy through experimental observations and calculations.

The goal of the lab or the question being addressed in the lab report is to investigate and understand the concepts of density and buoyancy. Density refers to the measure of how much mass is contained within a given volume, while buoyancy refers to the upward force exerted on an object submerged in a fluid, such as water or air.

The lab report aims to explore the relationship between density, mass, and volume by conducting experiments and analyzing data. It may involve measurements of different objects or substances, determining their masses and volumes, and calculating their densities. The report may also involve experiments related to buoyancy, such as determining the buoyant force on an object and investigating factors affecting buoyancy.

By conducting the lab and analyzing the obtained results, the lab report aims to provide a deeper understanding of these fundamental concepts in physics and to demonstrate the principles of density and buoyancy through practical experimentation. The report may also include discussions of the significance and applications of density and buoyancy in various fields, such as engineering, architecture, and fluid dynamics.

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Hi there!

\(\boxed{\text{Her angular velocity decreases.}}\)

Recall the conservation of angular momentum:

\(L_i = L_f\\\\I_iw_i = I_fw_f\)

When this person extends her arms, her moment of inertia increases.

According to the conservation of angular momentum, if the moment of inertia increases, the angular velocity must DECREASE.

Using the relativistic velocity-addition formula for adding everyday velocities typically produces a classical result. For everyday velocities encountered in typical human experiences, the classical addition of velocities is accurate enough and provides a satisfactory result.

The relativistic velocity-addition formula, derived from Einstein's theory of special relativity, accounts for the effects of time dilation and length contraction at speeds approaching the speed of light. It provides a more precise calculation of velocities in scenarios involving high speeds or particles with significant energies. However, for everyday velocities encountered in normal human experiences, such as walking, driving, or even flying in an airplane, the velocities involved are significantly lower than the speed of light. In such cases, the relativistic effects are negligible, and the classical addition of velocities, which simply involves adding the magnitudes of the velocities, provides an accurate enough result.

Applying the relativistic velocity-addition formula to everyday velocities would not yield significantly different or better results compared to classical addition. The differences would be minuscule and not practically noticeable. Therefore, for most practical purposes and everyday scenarios, it is appropriate to use classical addition when adding velocities, as it simplifies calculations without sacrificing accuracy.

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We have that the time, to the nearest minute, when the water level is at 1.125 m for the second time after midnight is

\(t=10.0hours\)

From the Question we are told that

Maximum height \(h_{max}=3m\)

Minimum height  \(H_{min}=0.5m\)

Time for  next high tide will occur\(T=12 hours =>720 min\)

Generally Average Height

\(h_{avg}=\frac{3+0.5}{2}\\\\h_{avg}=1.75\)

Therefore determine Amplitude to be

\(A=h_{max}=j_{avg}\\\\A=3-1.75\\\\A=1.25\)

Generally, the equation for Time is mathematically given by

At t=0

\(h(x)=Acos(Bx)+h_{avg}\)

Where

\(B=\frac{2\pi}{P}\\\\B=\frac{2\pi}{720}\\\\B=8.73*10^{-3}\)

Therefore

\(h(t)=Acos8.73*10^{-3}(t)+h_{avg}\)

Hence the Time at \(T=1.125\) is

\(1.125(t)=1.25cos(8.73*10^{-3})(t)+1.75\)

\(-0.1249t=1.75\)

\(t=10.0hours\)

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Answer:

Kinetic energy = 0.25 J

Explanation:

The question is "If we take container one as a reference and apply 5 grams of ink and the water moves at a speed of 10m / s, what would the kinetic energy of the solution be?"

We have,

Mass of ink, m = 5 grams = 0.005 kg

Speed of water, v = 10 m/s

We need to find the kinetic energy of the solution of water and ink. Kinetic energy is associated with the motion of an object. Its formula is given by :

\(K=\dfrac{1}{2}mv^2\\\\K=\dfrac{1}{2}\times 0.005\times (10)^2\\\\K=0.25\ J\)

So, the kinetic energy of the solution is 0.25 Joules.

Answer: Solenoid

Explanation:

Answer:

Solenoid

Explanation:

Both the initial amount and the kind of gas play a role.  However, the pressure and the quantity of gas present also have a role in this relationship.

Charles' Law states that a gas's volume is directly proportionate to its temperature. However, the pressure and the quantity of gas present also have a role in this relationship. Hence, we would need to know the starting volume, pressure, and number of moles of a gas sample in order to calculate its volume at 50.0 °C. The type of gas would also be a role in deciding its final volume at 50.0 °C because different gases behave differently at various temperatures.  Ideal gas perfectly obeys the gas law. Thus, the correct answer to the question is Ideal gas.

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The uterus lining is rebuilt by the end of the menstrual period. The rebuilding of the uterus lining starts after menstruation and the lining is typically completely rebuilt by day 14 of the menstrual cycle, which is when ovulation occurs and the uterus is preparing to potentially receive a fertilized egg.

The endometrium is the inner lining of the uterus, and it thickens every month to prepare for pregnancy. After menstruation, the endometrium grows and thickens to prepare for the implantation of a fertilized egg. The cells in the lining multiply and enlarge, and the glands in the lining begin to secrete mucus and other substances that help support the fertilized egg and promote its growth.

The rebuilding of the endometrium usually takes about two weeks after menstruation. This process is closely regulated by hormones such as estrogen and progesterone, which are produced by the ovaries and other parts of the body. These hormones help control the growth and development of the endometrium and other reproductive tissues.

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The force F acting on the surface is 4.57 N. The total energy stored in the system when the spring is stretched is 0.132 J. The magnitude of acceleration on the spring is 18 m/s². The speed of the block when reaches equilibrium position is 1.03 m/s.

The force acting on a stretchable material is directly proportional to the displacement of the object from the equilibrium position x.

Thus, F = k x.

Where, k is called the force constant or spring constant.

Given that, the displacement = 5.46 cm = 0.054 m

force constant = 83.8 N/m

Force = 83.8 N/m × 0.054 m = 4.57 N

The total energy stored on the system is equal to its potential energy mgh

m = 0.250 kg

Then p = 0.250 kg × 0.054 m× 9.8 m/s² = 0.132 J

Acceleration = force/ mass

= 4.57 N/0.250 = 18 m/s²

At the equilibrium position, the kinetic energy of stretching equal to the potential energy stored on it.

hence, speed v = √(2gh)

v = √2× 9.8 m/s² ×0.054m = 1.03 m/s.

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The amount of CO2 removed from the atmosphere due to the operation of four units of Al Barakah nuclear power station online will be:CO2 removed from the atmosphere= (Carbon dioxide emission rate of gas-fired turbines – Carbon dioxide emission rate of a nuclear power plant) × Energy generated by nuclear plants= (0.52 – 0) × (24.5 × 106 × 1000) tonnes= 21.9 million tonnes.

a) Currently connected Al Barakah nuclear power units will contribute 24.5 million MWh annually to the national grid.

b) Gas saved due to the operation of the first two nuclear reactors is 12.8 million m3.

c) The amount of CO2 that will be removed from the atmosphere as a result of bringing the four units of Al Barakah nuclear power station online is 21.9 million tonnes

.Explanation:

a) How much of annual energy will the currently connected Al Barakah nuclear power units contribute to the national grid?

The capacity of the first nuclear power plant is 1400 MW and it is now online. There are two units of 1400 MW each, and one is already online. Therefore, total capacity of the connected nuclear generated power is 2800 MW. The annual energy will be:Annual energy = Connected nuclear generated power × hours in a year= 2800 MW × 8760 hrs= 24.5 million MWhb) Assume that gas turbines consume 0.21 m3 of equivalent natural gas for every 1kWh of electricity produced, how much of gas (in m3) will be saved due to the operation of the first two nuclear reactors (units)?The energy generated by the first two nuclear reactors in a year is 24.5 million MWh. To generate the same amount of energy using gas turbines, the amount of gas required is:Energy generated by gas turbines = Energy generated by nuclear plants= 24.5 million MWhThis amount of energy will be generated by the following amount of gas:Energy generated by gas turbines = Amount of gas × 0.21 m3/kWh= Amount of gas = Energy generated by gas turbines / 0.21 m3/kWh= 24.5 million MWh / 0.21 m3/kWh= 11,761 million m3Therefore, the gas saved due to the operation of the first two nuclear reactors is:Gas saved = Gas required to generate the same amount of energy by gas turbines – Amount of gas required by nuclear reactors= 11,761 million m3 – 0= 11,761 million m3c) How many tonnes of CO2 will be removed from the atmosphere as a result of bringing the four units of Al Barakah nuclear power station online?The carbon dioxide emission rate of a gas-fired turbine is 0.52 kg CO2/kWh, and the carbon dioxide emission rate of a nuclear power plant is 0.00 kg CO2/kWh. Therefore, the amount of CO2 removed from the atmosphere due to the operation of four units of Al Barakah nuclear power station online will be:CO2 removed from the atmosphere= (Carbon dioxide emission rate of gas-fired turbines – Carbon dioxide emission rate of a nuclear power plant) × Energy generated by nuclear plants= (0.52 – 0) × (24.5 × 106 × 1000) tonnes= 21.9 million tonnes.

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Answer:

1. Privacy

-The state or condition of being free from being observed or disturbed by other people.

2. Commitment

-The state or quality of being dedicated to a cause, activity, etc.

3. Profile

-There are multiple answers for this word so I'm not sure which is the one you need.

4. Widow

-A woman who has lost her spouse by death and has not remarried.

5. Aristocrat

-A member of the aristocracy.

6. Affordable

-Inexpensive; reasonably priced.

7. Variable

-A symbol for a value we don't know yet. It is usually a letter like x or y.

Explanation:

Answer:

this statement is true because I looked it up

The index of refraction in a medium is 1.50 in which the speed of light is 2.00 \(10^8\) m/s.

The index of refraction of a medium is defined as the ratio of the speed of light in a vacuum to the speed of light in that medium. Therefore, if the speed of light in a medium is 2.00 × \(10^8\) m/s, we can find the index of refraction by dividing the speed of light in a vacuum (which is approximately 3.00 ×  \(10^8\)m/s) by the speed of light in the medium:

Index of refraction = speed of light in vacuum / speed of light in medium
Index of refraction = 3.00 ×  \(10^8\)m/s / 2.00 ×  \(10^8\)m/s
Index of refraction = 1.50

Therefore, The index of refraction in a medium is 1.50.

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The index of refraction in a medium is 1.50 in which the speed of light is 2.00 \(10^8\) m/s.

The index of refraction of a medium is defined as the ratio of the speed of light in a vacuum to the speed of light in that medium. Therefore, if the speed of light in a medium is 2.00 × \(10^8\) m/s, we can find the index of refraction by dividing the speed of light in a vacuum (which is approximately 3.00 ×  \(10^8\)m/s) by the speed of light in the medium:

Index of refraction = speed of light in vacuum / speed of light in medium
Index of refraction = 3.00 ×  \(10^8\)m/s / 2.00 ×  \(10^8\)m/s
Index of refraction = 1.50

Therefore, The index of refraction in a medium is 1.50.

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When a solute is actively transported across epithelium, the usual follow-up is A) water movement in the opposite direction.

Active transport refers to the process in which substances, such as ions or molecules, are moved across a cell membrane against their concentration gradient, requiring the expenditure of energy. When solute is actively transported across an epithelium, it creates an osmotic gradient across the membrane.

Osmosis is the movement of water molecules across a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration. In this case, since the solute is actively transported, it is being moved from an area of lower concentration to an area of higher concentration. As a result, water tends to move in the opposite direction, from an area of higher water concentration (lower solute concentration) to an area of lower water concentration (higher solute concentration).

Therefore, when a solute is actively transported across epithelium, the usual consequence is water movement in the opposite direction, as indicated by option A.

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-3.1415 x 10^(-4) V is the reading on the galvanometer.

​

To calculate the reading on the galvanometer, we need to determine the induced emf (electromotive force) in the coil due to the changing magnetic field. The induced emf can be found using Faraday's law of electromagnetic induction, which states that the induced emf is equal to the rate of change of magnetic flux through the coil.

The magnetic flux through a circular coil is given by the formula: Φ = B * A * cosθ, where B is the magnetic field, A is the area of the coil, and θ is the angle between the magnetic field and the normal to the coil.

In this case, as the magnet is moved away from the coil, the magnetic field inside the coil changes. Initially, when the magnet is inside the coil, the magnetic field inside the coil is non-zero. However, as the magnet is pulled away, the magnetic field inside the coil decreases until it reaches zero when the magnet is far enough away.

Given that the radius of the coil is 2 cm, the area can be calculated as A = π * r^2 = π * (0.02 m)^2 = 0.0012566 m^2. The magnetic field is 50 mT, which is equivalent to 0.05 T.

Now, we need to calculate the change in flux (∆Φ) during the time interval of 0.2 seconds. As the magnetic field inside the coil changes from non-zero to zero, the change in flux is equal to the initial flux through the coil.

∆Φ = B * A * cosθ = 0.05 T * 0.0012566 m^2 * 1 = 6.283 x 10^(-5) Wb

Finally, we can calculate the induced emf using Faraday's law:

emf = -∆Φ/∆t = -(6.283 x 10^(-5) Wb)/(0.2 s) = -3.1415 x 10^(-4) V

The negative sign indicates that the direction of the induced current in the coil is such that it opposes the change in magnetic flux.

The reading on the galvanometer will be equal to the magnitude of the induced emf, which is 3.1415 x 10^(-4) V.

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Answer: d constint speed

Explanation: im 15 and no the answer

In the first drawing, there is a translational acceleration and the angular acceleration is equal to zero. In the second drawing,  both are zero and in the third drawing, there is an angular acceleration but no translational acceleration.

Acceleration of an object is the rate of change in its velocity. If the object is moving in an angular path, it is associated with an angular acceleration.

When the forces acting on a body are equal and opposite, they will cancel each other and there will be no acceleration.

Here, in the first drawing, all the three forces are acting in the same direction and it is having a translational acceleration. But it does not have an angular acceleration in this case. - case b

For the second drawing.  The two individual forces F and 2 F are from opposite and they will cancel each other from all planes. Hence there is no angular or translational acceleration. - case c

For the third drawing, the direction of two individual F and force 2F are opposite .Thus there is no translational acceleration. However, at some planes, the paper have an angular acceleration because 2F is acting from the corner. - case a

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Answer: The scientific method is a useful way of guiding scientists through an investigation. A hypothesis is developed from an idea or question based on an observation.

Explanation:

Global Conveyor Belt is constantly moving system of deep-ocean circulation driven by temperature and salinity; moves water around the Earth.

The deep-ocean circulation system known as the "global ocean conveyor belt" is constantly moving, driven by temperature and salinity. The deep-ocean circulation system known as the "global ocean conveyor belt" is constantly moving, driven by temperature and salinity. Water is transported around the world by the huge ocean conveyor. The ocean is not an expanse of still water. The ocean is like a giant conveyor belt that is constantly in motion. The "global conveyor belt" is a system of currents that is driven by the hermohaline circulation. In the North Atlantic, close to the pole, the conveyor belt starts at the water's surface. In this location, arctic temperatures chill the water.

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Global Conveyor Belt is constantly moving system of deep-ocean circulation driven by temperature and salinity; moves water around the Earth.

The Global Conveyor Belt is a major driving force behind many of the world's oceanic currents. It is a continuous circulation of deep ocean water, driven by temperature and salinity differences between different parts of the ocean. The Global Conveyor Belt begins in the northern Atlantic Ocean, where a combination of factors create a strong surface current. This current carries warm, salty water from the Gulf of Mexico and the Caribbean Sea northward, where it cools and sinks to form a deep current that flows back towards the equator. This deep current is then joined by a cold, low-salinity current from the Antarctic region, creatig na continuous circulation of deep ocean waters around the globe.

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Answer:

The answer is approximately 72mmHg

Explanation:

P1V1=P2V2

800×25=P2×275

P2=800×25/275

P2≈72mmHg

Answer:

Media literacy creates a conscious awareness, the ability to understand, analyze, the messages various media like the newspapers, the radio, that is for the consumer, and it also promotes how best media create information for production.

While information literacy and technology literacy differs from other literacy asked in the question above, as information literacy and technology could be used when describing getting information through adequate research and further dishing out this available information so as to effectively use the information with the aim to solve problems, create awareness, or educate, through technologies such as for example, email.

Lastly, media and information literacy differ in terms of use from the other two explained above, as media and information literacy describes discerning information credibility, accuracy, and objectivity of sources they come from, and it shows people how important it is to have credible information to make informed judgments and the ethical use of the information they consume.

Answer:

The thrust that you feel at the time of firing is one of the real-life example of the conseriation nomentum

Answer:

electricity because it has more percentage nd energy

Explanation:

mark me brainliest pl

Answer: I'm sorry what's wrong with your money

Explanation:

Answer: LOL YO I HAVE 5K IN GROUP FUNDS

Explanation: