Why can chemical energy and nuclear energy be considered a potential energy

Answer:

true

Explanation:

Answer:

Oxygen is abiotic

Explanation:

C. A heat pump absorbs 100 J of heat from a cool reservoir and releases 120 J of heat to a hot reservoir.

In order to operate, a heat engine must reject some of the heat it receives from the high-temperature source to a low-temperature sink.

A heat engine that violates the second law converts 100 percent of this heat to work. This is physically impossible. This heat engine violates the second law of thermodynamics.

The second law can also be stated as no heat engine can have a thermal efficiency of 100 percent.

The thermal efficiency of a heat engine is defined as the ratio of the work output to the heat input:

Clearly, if the thermal efficiency of a heat engine is 100 percent,

Qin=Wout

If the second law precludes a heat engine from having a thermal efficiency of 100 percent. A heat engine is a device that converts a portion of the heat supplied to it from a high-temperature source into work. The remaining heat is rejected to a low-temperature sink.

Therefore:

A heat pump absorbs 100 J of heat from a cool reservoir and releases 120 J of heat to a hot reservoir.

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Kirk's use of math skills in organizing, analyzing, and presenting data is essential for the success and integrity of his scientific investigation.

The correct answer is option B.

Kirk is using his math skills to organize and present his data (Option B). Math skills are integral to the scientific investigation process, particularly when it comes to data analysis, interpretation, and visualization. Here's an explanation of how Kirk is using math skills in his investigation:

1. Organizing Data: Kirk likely collects raw data during his investigation, such as measurements, observations, or experimental results. To make sense of this data, he needs to organize it systematically. This involves using math skills to categorize, sort, and arrange the data in a structured manner, such as in tables or spreadsheets.

2. Analyzing Data: Once Kirk has organized his data, he needs to analyze it to draw meaningful conclusions. This often involves applying various mathematical techniques, such as calculating averages, percentages, standard deviations, or performing statistical analyses. These calculations help identify patterns, trends, and relationships within the data, enabling Kirk to make informed interpretations.

3. Presenting Data: Kirk uses his math skills to visually represent his data through graphs, charts, or diagrams. By selecting appropriate types of graphs (e.g., bar graphs, line graphs, scatter plots), he can effectively communicate the relationships and trends observed in the data to others. Additionally, he may employ mathematical principles, such as scaling the axes, determining appropriate intervals, and using labeling or legends, to ensure accurate and clear representation.

4. Drawing Conclusions: Kirk's mathematical skills are crucial in drawing conclusions from his data. He may use mathematical models, equations, or formulas to analyze the data and test hypotheses. By applying mathematical reasoning, Kirk can determine if his data supports or contradicts his initial hypotheses or research questions.

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Answer:

maple tree

Explanation:

if the last one dies it is extinct so it is maple tress

Maple trees resource is a nonrenewable resource. Hence option B is correct.

Acer is a genus of trees and plants that are generally referred to as maples. The genus is classified as Sapindaceae. There are about 132 species, the most of which are endemic to Asia, with a few being found in Europe, northern Africa, and North America. Acer laurinum is the only species that grows in the Southern Hemisphere. The genus' type species is the sycamore maple, Acer pseudoplatanus, which is the most abundant maple species in Europe. Maples are distinguished by their palmate leaves  and characteristic winged fruits. Horse chestnuts are the maples' closest cousins. Some maple species' sap is used to make maple syrup. It is one of the most abundant tree genera in Asia.

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Answer:

B. It is invisible to astronomers.

Explanation:

Most of the mass in the universe exists in the form of dark matter, which is invisible to astronomers.

Based on their nature, ionic bonds involves giving and accepting electrons while covalent bonds involves sharing of electrons

Ionic bonds are formed due to electrostatic forces of attraction between oppositely charged ions.

Properties of Ionic bonds are:

Covalent bonds are formed by sharing of electrons between atoms of two or more elements.

Properties of covalent compounds/bonds are:

Properties shared by both covalent and ionic compounds/bonds are:

Neither covalent nor ionic bonds have this property,

Therefore, ionic bonds involves giving and accepting electrons while covalent bonds involves sharing of electrons.

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(a) The magnitude of force required to give a helicopter of mass 2M an acceleration of 0.10 g upward is 1.962M N.

(b) The work done by this force as the helicopter moves a distance h/2 upward is 0.981M h Joules.

(a) To find the force required to give the helicopter an upward acceleration of 0.10 g, we can use the following equation:
Force (F) = Mass (m) × Acceleration (a)

The acceleration due to gravity (g) is approximately 9.81 m/s². Therefore, 0.10 g is equal to 0.10 × 9.81 m/s², which is 0.981 m/s².

The helicopter's mass is given as 2M. So, we can plug the values into the equation:

F = 2M × 0.981 m/s²

F = 1.962M N (Newtons)

So, the magnitude of the force required is 1.962M N.

(b) To find the work done by this force as the helicopter moves a distance of h/2 upward, we use the equation:

Work (W) = Force (F) × Distance (d) × cos(θ)

Since the force is acting vertically upward and the helicopter is moving in the same direction, the angle (θ) between the force and the distance is 0°, and the cosine of 0° is 1.

The force (F) is 1.962M N and the distance (d) is h/2. Therefore:

W = 1.962M N × (h/2) × 1

W = 0.981Mh J (Joules)

The work done by this force as the helicopter moves a distance h/2 upward is 0.981Mh Joules.

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Answer:

A property that can be measured or observed without matter changing to an entirely different substance is called physical property .

The wavelength of the sound waves with a constant frequency of 250 Hz traveling through air at STP (Standard Temperature and Pressure) is 1) 0.76 m.

The speed of sound in air at STP is approximately 343 m/s. The relationship between wavelength (λ), frequency (f), and speed of sound (v) is given by the formula:

v = λ * f

Rearranging the formula to solve for λ, we have:

λ = v / f

Substituting the values, we get:

λ = 343 m/s / 250 Hz = 1.372 m

Rounding to the nearest tenth, the wavelength is approximately 0.76 m. Therefore, option 1) 0.76 m is the correct answer.

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Answer:

The branch of physics that is most relevant to football is mechanics, the study of motion and its causes.

Explanation:

When the ball leaves the punter's foot, it is moving with a given velocity (speed plus angle of direction) depending upon the force with which he kicks the ball. The ball moves in two directions, horizontally and vertically. Because the ball was launched at an angle, the velocity is divided into two pieces: a horizontal component and a vertical component.

Answer:

V=u + at

V= final velocity

U= Initial velocity

a= acceleration

t= time taken

V= 5 + 30*2

V=5+60

V=65m/s

Explanation:

Answer:

Its C

Thank me later

Now bye

The statement of "at any point, the rate of change pressure with elevation is dp/dz=-pg, for both incompressible and compressible fluids" is false. It only applies to incompressible fluids.

The relationship between pressure and elevation (height) is given by the hydrostatic equation:

dp/dz = -ρg

where dp/dz is the rate of change of pressure with respect to elevation, ρ is the density of the fluid, g is the acceleration due to gravity, and the negative sign indicates that pressure decreases with increasing elevation.

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Answer:

The plants that get different amounts of the new fertilizer.

if my answer helps you than mark me as brainliest.

The relative velocity between Car A and Car B is 0 m/s

Since Car A is heading East at 25 m/s, its velocity is u = + 25 m/s. (since it is moving in the positive x- direction)

Also, car B is also heading East at 25 m/s, its velocity is v = + 25 m/s. (since it is moving in the positive x- direction)

So, the relative velocity between car A and Car B is V = velocity of car A - velocity of car B.

So, V = u - v

V = + 25 m/s - (+ 25 m/s)

V = + 25 m/s - 25 m/s

V = 0 m/s

So, the relative velocity between Car A and Car B is 0 m/s

The passenger in Car A would describe Car B's motion as stationary.

Since Car A is heading East at 25 m/s and car B is also heading East at 25 m/s, both cars are moving at a velocity of + 25 m/s.

Since their relative velocity is 0 m/s, it would appear to a passenger in Car A that car B is stationary according to motion from car A's reference frame.

So, the passenger in Car A would describe Car B's motion as stationary.

The runner that runs in a 5.00 km race at a steady 3.0 m/s takes 27.78 min to finish the race

The formula and procedure we will use to solve this problem is:

v = x/t

Where:

Information about the problem:

By converting the distance units from (km) to (m) we have:

5.00 km * (1000 m / 1 km) = 5000 m

Applying the velocity formula and isolating the time, we get:

v = x/t

t = x/v

t = 5000 m / 3.0 m/s

t = 1666.67 s

By converting the time units from (s) to (min) we have:

1666.67 s * (1 min / 60 s) = 27.78 min

It is a physical quantity that indicates the displacement of a mobile per unit of time, it is expressed in units of distance per time, for example (miles/h, km/h).

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The woman's eyes have a power of approximately 12.5 diopters, allowing her to see objects clearly at a distance of 8.00 cm.

The power of the eye is a measure of its ability to refract light and focus it onto the retina. It is given by the formula P = 1/f, where P is the power in diopters and f is the focal length in meters. In this case, the woman can see an object clearly at a distance of 8.00 cm, which is equivalent to 0.08 meters. To find the power of her eyes, we can use the formula P = 1/f. Substituting the distance into the formula, we get P = 1/0.08 = 12.5 diopters. Therefore, the power of the woman's eyes is approximately 12.5 diopters, allowing her to see objects clearly at such a close distance.

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The object's velocity at time t is given by the function

v(t) = 19.6 m/s - (9.81 m/s²) t

and at its highest point the object has zero velocity. Solve for t in this instance:

19.6 m/s - (9.81 m/s²) t = 0

t = (19.6 m/s) / (9.81 m/s²)

t ≈ 2.00 s

The overall charge of an object that has 82 protons, 82 neutrons, and 109 electrons is -27. Details about charge can be found below.

The overall charge of an atom can be calculated by subtracting the number of electrons from the number of protons.

The proton number represents the number of positively charged atom while the electron number represents the number of negatively charged atom.

According to this question, a charged object has 82 protons, 82 neutrons, and 109 electrons. The overall charge of the atom is calculated as follows:

Overall charge = 82 - 109

Charge = -27

Therefore, the overall charge of an object that has 82 protons, 82 neutrons, and 109 electrons is -27.

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Part 1: The number of pathways in a circuit determines the possible routes for electric current to flow.

There are maximum of five pathways in this circuit, depending on its complexity and the arrangement of components.

Part 2: Determining whether the circuit is series or parallel requires more information.

In a series circuit, components are connected in a single path, and the current flows through each component sequentially.

If the circuit has only one pathway (zero or one pathway), it suggests a series circuit.

However, if the circuit has multiple pathways (two or more pathways), it indicates a parallel circuit.

To conclusively determine the circuit's nature, we need to analyze the circuit diagram or obtain additional details regarding the component connections and their interactions.

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Answer:

Explanation:

The current is the same through components connected in series. If you want to measure the current in a component, the ammeter must be placed in series.

__

The voltage is the same at the terminals of components connected in parallel. If you want to measure the voltage across a component, the voltmeter must be connected across the component, that is, in parallel with it.

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To measure the current through and the voltage across a resistor in a circuit, you should place the ammeter in series with the resistor and the voltmeter in parallel with the resistor.

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Science and technology have had a significant influence on society, with both successes and difficulties.

The achievements can be noted as -

The challenges can be noted as -

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The force required to keep the block moving at a constant velocity to the right is equal to the force of kinetic friction. In this case, the force required is 31.36 N.

To calculate the force required to keep the block moving at a constant velocity to the right, we need to consider the forces acting on the block.

1. First, let's find the gravitational force acting on the block. The formula for gravitational force is F_gravity = m * g, where m is the mass of the block and g is the acceleration due to gravity (approximately 9.8 m/s^2).
  Plugging in the values, we get F_gravity = 4 kg * 9.8 m/s^2 = 39.2 N.

2. Next, let's determine the force of kinetic friction acting on the block. The formula for kinetic friction is F_friction = μ * N, where μ is the coefficient of kinetic friction and N is the normal force. The normal force is equal to the gravitational force acting on the block, which we calculated earlier as 39.2 N.
  Plugging in the coefficient of kinetic friction, μ = 0.8, we get F_friction = 0.8 * 39.2 N = 31.36 N.

3. Since the block is moving at a constant velocity, we know that the net force acting on the block is zero. Therefore, the force required to keep the block moving at a constant velocity to the right is equal to the force of kinetic friction.
  In this case, the force required is 31.36 N.


1. Gravitational force (F_gravity) is calculated using the formula F_gravity = m * g, where m is the mass of the block and g is the acceleration due to gravity (approximately 9.8 m/s^2). In this case, F_gravity = 4 kg * 9.8 m/s^2 = 39.2 N.

2. Kinetic friction force (F_friction) is determined using the formula F_friction = μ * N, where μ is the coefficient of kinetic friction and N is the normal force. The normal force is equal to the gravitational force acting on the block, which we calculated earlier as 39.2 N. Plugging in the coefficient of kinetic friction, μ = 0.8, we get F_friction = 0.8 * 39.2 N = 31.36 N.

3. Since the block is moving at a constant velocity, the net force acting on the block is zero.

Therefore, the force required to keep the block moving at a constant velocity to the right is equal to the force of kinetic friction. In this case, the force required is 31.36 N.

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The distance traveled by the box along the ramp is 0.51 m.

Apply the principle of conservation of energy;

Potential energy of the box at top of incline = Elastic potential energy at bottom

mgh = ¹/₂kx²

where;

h = L sinθ

where;

mg(L sinθ) = ¹/₂kx²

(18)(9.8)(L sin25) = ¹/₂(740)(0.32)²

74.55 L = 37.89

L = 37.89 / 74.55

L = 0.51 m

Thus, the distance traveled by the box along the ramp is 0.51 m.

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Answer: hello the image is missing but am able to provide you with an answer to your but I am unable to attach the image

Explanation:

Molecules at point A compared to molecules at point B shows that they are

The movement of molecules is caused by the application of energy in various forms especially thermal energy

Answer:

The answer is A!

Explanation:

Got it right on edge 2021 :>

The momentum after the collision is 25500 kg⋅m/s. Each object's momentum may change, but the overall momentum must not change.

In Newtonian mechanics, momentum is calculated as the sum of an object's mass and velocity. It has a magnitude and a direction, making it a vector quantity.

The rate of change of a body's momentum is equal to the net force exerted on it, according to Newton's second law of motion. Regardless of the frame of reference, momentum is a conserved quantity in any inertial frame, which means that if an enclosed system is not subject to outside influences, its total linear momentum remains constant.

The formula for calculating momentum is expressed as

momentum = mass x velocity

According to the law of conservation of momentum, initial momentum = final momentum

The formula for initial momentum is

m1u1 + m2u2

where

m1 = mass of first car

u1 = initial velocity of first car

m2 = mass of second car

u2 = initial velocity of second car

From the information given,

m1 = 900

u1 = 0 because it is at rest

m2 =  1700

u2 = 15.0 m/s

Initial momentum = 900 x 0 +  1700 x 15.0 = 25500

Momentum after the collision is 25500 kg⋅m/s

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Answer:

a = 5 m / s²   and    x = 562.5 m

Explanation:

Let's apply the kinematics relations

          v = v₀ + at

          v² = v₀² + 2a x

In this case, as the car stops, its final speed is zero (v = 0) and the acceleration must be opposite to the speed, that is, negative

           0 = v₀ - a t

           a = v₀ / t

let's calculate

           a = 75/15

           a = 5 m / s²

let's look for the distance

           0 = v₀² - 2a x

           x = v₀² / 2a

let's calculate

           x = \(\frac{75^2}{2 \ 5 }\)

           x = 562.5 m