Create a acrostic poem using the word "transformation" that summarizes what you've learned about kinetic and potential energy.

Answer:

15 units NE

Explanation:

Assuming the coordinate plane is a compass with N being the positive y-axis, we can use the Pythagorean theorem to find the magnitude of the vector. Since the vector is going up by 12 and right by 9 at the same time, it should form a diagonal line, aka the hypotenuse of a triangle. This triangle has both of its leg units as 12, and 9. Pythagorean theorem states that a^2 + b^2 = c^2, that is both of their legs squared is the hypotenuse of the triangle squared. 12^2 + 9^2 = c^2. c = 15. Now that we know the magnitude, let's go back to the quadrants as the compass. Since both units are positive, the vector goes in the positive direction on both sides, which is Quadrant 1. North and East would be the appropriate say for the vector's direction, thus the vector's direction will be 15 units North East.

Answer:

\(\boxed{ V_{2}= 0.03189 m^3}\)

Explanation:

According to Charles Law

=> \(\frac{V_{1}}{T_{1}} = \frac{V_{2}}{T_{2}}\)

Where \(V_{1}\) = 0.0279 m³, \(T_{1}\) = 280 K and \(T_{2}\) = 320 K

=> \(\frac{0.0279}{280} = \frac{V_{2}}{320}\)

=> \(V_{2}\) = 0.03189 m³

Answer:

15 and Increasing

Explanation:

Hope this helps

Have a wonderful day and many more to come

Alexis~

~A.K.A Moon~

Motor neurons are a type of nerve cell that transmit signals from the central nervous system to muscles or glands, resulting in movement or secretion. Among the neuron types you mentioned, the one often found to be a motor neuron is the multipolar neuron.

Multipolar neurons have multiple dendrites and a single axon, with the cell body located between them. These neurons are commonly found in the brain and spinal cord, where they serve as motor neurons responsible for controlling muscle contractions. By receiving signals from other neurons and sending them to muscles, multipolar motor neurons enable voluntary movements and reflexes.

In contrast, bipolar neurons have two processes extending from the cell body, unipolar neurons have a single elongated process, and anaxonic neurons lack a clearly distinguishable axon. However, these neuron types are typically associated with sensory processing rather than motor control.

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Answer:

Angle of incidence = Angle of Reflection

34° = Angle of Reflection

So, Angle of Reflection is equal to 34°

hope it helps!

Answer: 56 degrees

Explanation:

The angle of incidence is equal to the angle of reflection, but it is not asking us for the angle of reflection. It is asking us for the angle with the reflected SURFACE. It is 90-34= 56. Look at the pic attached if you need a labelled diagram

Sigmund Freud sought to explore the inner world of the psyche, the realm of dreams, and the unconscious.

Sigmund Freud, an Austrian neurologist and the founder of psychoanalysis, dedicated his work to exploring the inner world of the psyche, including dreams and the unconscious. Freud believed that the human mind is composed of both conscious and unconscious elements, and he sought to understand the hidden motivations and processes that influence human behavior.

One of Freud's key contributions was his theory of the unconscious mind. According to Freud, the unconscious is a reservoir of thoughts, desires, memories, and emotions that are not readily accessible to conscious awareness. He believed that unconscious processes shape our thoughts, feelings, and behaviors, often in ways that we are unaware of.

Freud developed various techniques to explore the unconscious, such as free association and dream analysis. Through free association, he encouraged patients to speak freely and express their thoughts and associations without censorship, aiming to uncover hidden or repressed material that may be influencing their psychological well-being.

Dream analysis was another significant method used by Freud to explore the unconscious. He believed that dreams serve as a pathway to understanding unconscious desires, conflicts, and wishes. By analyzing the symbols and hidden meanings within dreams, Freud aimed to uncover the underlying thoughts and motivations that operate outside of conscious awareness.

By delving into the inner workings of the psyche and investigating the realms of dreams and the unconscious, Freud made significant contributions to the field of psychology and laid the foundation for psychoanalytic theory and practice.

Sigmund Freud is the influential figure who sought to explore the inner world of the psyche, including dreams and the unconscious. His work and theories, such as the concept of the unconscious mind and techniques like dream analysis, have had a lasting impact on the field of psychology and our understanding of the human mind.

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Answer: They both will go out

Explanation:

If an organism is classified in the animal kingdom, then it must Identify traits common to all animals and traits that can be used to distinguish groups of related animals.

The animal kingdom is the taxonomic kingdom that includes all animals, living or extinct. All animals on earth can be found in the taxonomic classification of the animal kingdom. Animals are classified into various subcategories to further define them, named as division, class, order, family, genus and species. Each classification is physically, anatomically or behaviorally in some way Similarities narrow as one moves down through divisions, classes, etc. until a unique species is defined.

We need to identify traits that are common to all animals and traits that can be used to distinguish between related animal groups. Animal classification systems group animals based on anatomy, morphology, evolutionary history, developmental traits, and genetic makeup.

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The complete question is as follows:

Complete the given sentence.

If an organism is classified in the animal kingdom, then it MUST_______.

The velocity of the air flow at point (1) is 13.8 m/sec.  The gravitational potential energy is increasing from point(1) to point(2) by 94.176 joules. The pressure head increased by 1.7 m of air column. Kinetic energy head is decreased by 9.71 m of air column.  

Datum head at point (1), z₁ = 2 m

Datum head at point (2), z₂ = 10 m

Pressure at point(1) p₁ = 0 kpa

Pressure at point(2) p₂ = 20 N/m²

Velocity at point(2) v₂ = 0

Velocity at point(1) v₁ = ?

The density of air, ρ = 1.2 kg/m³

By applying Bernoulli's equation,

z₁ + p₁/ρg + v₁²/2g = z₂ + p₂/ρg + v₂²/2g

2 + 0 + v₁²/2g = 10 + 20/(1.2×9.81) + 0

v₁²/2g = 10 + 1.7 - 2

v₁² = 9.7×2×9.81

v₁² = 190.314

v₁ = 13.8 m/sec

Change in gravitational potential energy(ρgΔh) =  1.2×9.81×(10-2)

= 94.176 Joules

Increase in the pressure head = p₂/ρg - p₁/ρg

= 1.7 - 0

= 1.7 m (of air column)

Change in the kinetic energy head = v₂²/2g - v₁²/2g

= 0 - v₁²/2g

= - (13.8×13.8)/(2×9.81)

= -9.71 m (of air column)

Negative sign indicates that the kinetic energy head is decreasing.

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The acceleration of the car at 25 seconds is 258 m/s².

To calculate the acceleration of the car at 25 seconds, we can differentiate the given distance equation with respect to time twice. The first differentiation will give us the velocity, and the second differentiation will provide the acceleration.

The given equation for distance is:

$$s(t) = 2t^3 - 21t^2 + 60t$$

Differentiating the equation with respect to time, we get:

$$\frac{ds}{dt} = 6t^2 - 42t + 60$$

Taking the second derivative with respect to time, we get:

$$\frac{d^2s}{dt^2} = 12t - 42$$

Substituting the time $t = 25$ seconds into the equation, we have:

$$\frac{d^2s}{dt^2} = 12t - 42 = 12(25) - 42 = 258$$

Therefore, the acceleration of the car at 25 seconds is 258 m/s².

Acceleration refers to the rate of change of velocity with respect to time. When an object undergoes a change in velocity, it experiences acceleration. The unit of acceleration is m/s².

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Answer:

Force applied

Explanation:

An object will remain at its state of rest unless a non zero for act on it

Answer:

Forces have magnitude and direction.

Explanation:

Force is a vector quantity.

Answer:

The light traveling in any one direction in a straight line is called a ray of light. A group of light rays given out from a source is called a beam of light.

Explanation:

Candle and electric bulbs. The rays coming out from the candle and electric bulb is divergent beam of light.A beam of light is made up of bundles of closely spaced parallel rays.

please give me brainiest

Answer:

The light going in any one course orderly is known as a beam of light. A light beam gathering from a source is known as light emission.

That's the definition of a beam of light.

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Thank you!

The student must run the flight of stairs approximately 68311 times to lose 1.00 kg of fat. To find out how many times the student must run the flight of stairs to lose 1.00 kg of fat, we need to calculate the total energy expenditure required to lose 1.00 kg of fat.

First, we need to determine the total energy required to lose 1.00 kg of fat. Given that metabolizing 1g of fat releases 9.00 kcal, we can calculate the energy content of 1.00 kg of fat:

1 kg = 1000 g
Energy content of 1.00 kg of fat = 9.00 kcal/g * 1000 g = 9000 kcal

Next, we need to convert the energy content from kcal to joules:

1 kcal = 4186 J
Energy content of 1.00 kg of fat = 9000 kcal * 4186 J/kcal = 37674000 J

Since the student's efficiency is 20.0%, we need to calculate the amount of energy that goes into mechanical work:

Energy for mechanical work = 20.0% * 37674000 J = 7534800 J

Now, we can calculate the total work done per flight of stairs:

Work done per flight of stairs = mass * gravitational acceleration * height
                           = 75.0 kg * 9.8 m/s^2 * 0.150 m
                           = 110.25 J

Finally, we can determine the number of times the student must run the flight of stairs to lose 1.00 kg of fat:

Number of times = Energy for mechanical work / Work done per flight of stairs
              = 7534800 J / 110.25 J
              = 68311

Therefore, the student must run the flight of stairs approximately 68311 times to lose 1.00 kg of fat.

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The magnitude of acceleration of a block m₂ is 0.05 m/s² and the tension in the cord is 0.01 N.

Given:

mass of block 1, m₁ = 40 gm = 40×10⁻³ kg

mass of block 2, m₂ = 20 gm = 20×10⁻³ kg

Applied force, F = 0.03 N

Calculation:

Consider the free-body diagram of the system as shown below. Using Newton's second law of motion we get:

F = ma

where F is the applied force

            m is the total mass of the system

            a is the acceleration of block 2 (as it is pulled by horizontal force)

From the above equation we get:

0.03 N = (m₁+m₂) a

⇒ a = (0.03 N) / (m₁+m₂)

⇒ a = (0.03 N) / (40×10⁻³ kg + 20×10⁻³ kg)

⇒ a = 0.5 m/s²

Now, from the free-body diagram of block 2 as shown in figure 3, we get:

Balancing the forces along the horizontal:

∑Fₓ = 0

∴ T = m₂ a

where T is tension in the string

           a is the acceleration of block 2

Applying values in the above equation we get:

T = (20×10⁻³ kg) × (0.5 m/s²)

  = 0.01 N

Therefore, the acceleration of block 2 due to the applied horizontal force is 0.5 m/s² and the tension in the cord is 0.01 N.

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Answer:

Wood helps in home insulating because logs have both a proper structure and insulation. Since the log has so much heat storage, its huge mass will have a lot more thermal energy than other materials for insulating.

Numerical Aperture (NA) is a measure of the ability of an optical system, such as a microscope, to gather and focus light.

The two light capturing lenses in a microscope are the objective lens and the eyepiece lens. The objective lens is located close to the object being viewed and is responsible for capturing the light that forms the image. The eyepiece lens is located close to the viewer's eye and magnifies the image produced by the objective lens.

The purpose of the condenser is to focus and direct light onto the object being viewed. It is located below the stage of the microscope and typically consists of a lens and an aperture. The aperture controls the amount of light that enters the microscope and helps to increase the resolution of the image by reducing the size of the light cone that enters the objective lens.

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An existing surface low-pressure system would probably stay stagnant or diminish due to the lack of support from upper-level dynamics if there was no divergence or convergence in the upper troposphere.

On the other hand, sea-level pressures rise in areas of convergence in the upper atmosphere. Surface high-pressure systems are often characterized by calm, largely clear weather due to the ensuing low-level divergence and sinking air.

The pressure systems traveling along the surface are enhanced or suppressed by this convergence and divergence. The air density above, for instance, will decrease when there is a region of diverging air in the upper troposphere.

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The top five books must be pushed off the bottom one with 5 N of horizontal force.

The word "force" has a specific meaning in science. At this level, calling a force a push or a pull is entirely appropriate. A force is not something an object "has in it" or that it "contains." One thing experiences a force from another. Each of the six books weighs five pounds, therefore we need to slide five of them.

them, where 55 = 25N

The following formula can then be used to get the friction force.

F = N μ

where F is the frictional force, N is the force, and is the static friction coefficient

F= (25 N) (0.2) (0.2)

F= 5 N

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The terminal voltage of a cell will decrease when the discharge time is increased.

A cell or battery is an electrochemical device that generates electrical energy through a chemical reaction. During discharge, the chemical reaction inside the cell produces a flow of electrons from the negative electrode (anode) to the positive electrode (cathode) through an external circuit, providing electrical energy to the load connected to the circuit.

However, the internal resistance of the cell also causes a voltage drop across the cell, reducing the amount of voltage available to the load. This voltage drop increases as the cell discharges, and the discharge time is increased. Therefore, as the discharge time is increased, the terminal voltage of the cell decreases, resulting in a reduced amount of electrical energy available to the load.

Additionally, the rate of the chemical reaction inside the cell may also decrease as the cell discharges over an extended period of time, leading to a further reduction in the terminal voltage of the cell. This effect is more pronounced in cells with high internal resistance or when discharging at high currents.

Therefore, to maintain a constant voltage output, it is important to consider the discharge time and internal resistance of the cell when designing an electrical circuit that uses a battery or cell as its power source.

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the distance of Venus from the Sun in kilometers is: 107,708,467 km

One astronomical unit (au) is approximately equal to 149.6 million kilometers. Therefore, Venus orbits the sun at a distance of approximately 224.4 million kilometers (1.5 x 149.6 million km) from the sun.
Hi! Venus orbits the Sun at a distance of approximately 0.72 AU (not 1.5 AU). To convert this distance to kilometers, you can use the following formula:

1 AU (Astronomical Unit) = 149,597,870.7 km

So, the distance of Venus from the Sun in kilometers is:

0.72 AU × 149,597,870.7 km/AU ≈ 107,708,467 km

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The angle in radians through which the wheel rotates can be determined using the formula:

Angle (in radians) = (Number of revolutions) × (2π)

Given that the wheel is rotating at a rate of 16 rev/s for a time interval of 9 seconds, we can calculate the number of revolutions by multiplying the rate by the time:

Number of revolutions = (16 rev/s) × (9 s) = 144 rev

Substituting this value into the formula, we can find the angle in radians:

Angle (in radians) = (144 rev) × (2π) = 288π radians

Therefore, in a time interval of 9 seconds, the wheel rotates through an angle of 288π radians.

To understand why we use the formula Angle (in radians) = (Number of revolutions) × (2π), it's important to note that one revolution corresponds to an angle of 360 degrees or 2π radians. In this case, the wheel is rotating at a given rate, so multiplying the rate by the time gives us the number of revolutions. Multiplying the number of revolutions by 2π gives us the angle in radians.

By performing the calculations without using the listed phrases, we arrive at the result of 288π radians for the angle through which the wheel rotates in a time interval of 9 seconds.

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Answer:

Explanation:

1. Sea surface temperature

2. Ocean currents

3. Sea level

4. Ocean color

5. Sea surface winds

6. Sea surface salinity

7. Marine vegetation

8. Ice coverage

9. Wave height

10. Sea surface height

A very powerful vacuum cleaner has a hose 2.27 cm in diameter. The atmospheric pressure is 1.00 atm=101,300 Pa. then vacuume cleaner generate the force F = 65.1 N

A line that is straight and cuts through the middle of a body or figure. Particularly: the length of a diameter; a line segment passing through the center of a circle with its ends on the circumference.

Given,

diameter of the nose is d= 2.86 cm

radius of the nose r= 1.43 cm = 1.43× \(10^{-2}\) m

We know F=P.A

where P is the atmospheric pressure and A is the surface area of the circulsr nose F is the force exerted by vacuume cleaner on the air

∴ F=P ( \(\pi r^{2}\))

we know atmospheric pressure, p=1.013×\(10^{5}\) pa

F = 1.013 × \(10^{5}\) × 3.14 (1.43 × \(10^{-2}\)) ^2

⇒ 65.1 N

⇒ F = 65.1 N

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The angle of refraction is a. 15°

Snell's law is described as “The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant, for the light of a given colour and for the given team of media”.

By Snell's law:

η = sin i / sin r. i = 25, η = 1.6

1.6 = sin25° / sin r

sin r = sin25° / 1.6

= 0.4226/1.6= 0.2641

calculating

r = sin⁻¹( 0.2641 )

sin−1(0.264) is ≈ 15.3075

the angle of refraction is a. 15°

So the angle associated with the incidence and refraction can have a relation to the refractive index of the two mediums. Snell's First Law: It states that the incident ray, the refracted ray and the standard lie on the same plane.

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When looking over an inclined plane problem, there are two important things to note regarding the force of gravity. Firstly, the force perpendicular to the surface of the inclined plane is the weight of the object.

This is the force acting straight down on the object due to gravity, and it is always perpendicular to the surface of the inclined plane. Secondly, the force parallel to the plane is the component of the weight that acts in the direction of the incline. This force is determined by finding the weight of the object and multiplying it by the sine of the angle of inclination.

It is important to note these two forces because they are used in calculating the net force acting on the object and ultimately determining the object's acceleration. Understanding the forces acting on an object on an inclined plane is essential for solving problems related to motion and forces in physics.

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Answer:

D

Explanation: need good posture other wise will injury yourself during activity

Answer:

We know that the gravitational force between two objects of mass M1 and M2 that are at a distance R, is given by:

F = G*(M1*M2)/R^2

Where G is a constant.

If you reduce one of the masses, then the gravitational force between the objects will change.

So if we take un account the Earth and the Sun, when you reduce the mass of Earth, the force between Earth and the Sun will decrease, and this will change the orbit of the Earth around the Sun.

(The orbit also depends on the gravitational force between the Earth and the other planets in the system, and all those forces also change, which also has an impact in the orbit change)

Answer is D

Taking the test rn and found out the answer

The projectile D traveled the greatest horizontal distance.

Projectile motion is a form of motion experienced by an object or particle that is projected near the Earth's surface and moves along a curved path under the action of gravity only.

Horizontal range of a projectile is the horizontal distance travelled by the projectile between launch and the landing points.

The projectile horizontal distance is depend on horizontal speed and time in air.

In all these four projectile, projectile D has maximum horizontal speed and time in air.

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