Can someone just please paraphrase this for me.

Once helium is released in the atmosphere, it will continue rising until it escapes into space, making it the only truly unrecoverable element.

Answer: 1. Both balls have equal potential energy.

2. Potential energy would decrease, while total mechanical energy would remain constant.

3. A slide

4. Mass is eliminated when equating gravitional potential energy with kinetic energy.

5. 1/2 mv^2 = 1/2 kx^2

Explanation:

I did the test by pure guess and failed but oh well, got the answers

The statement that describes the final potential energy of the balls is "Both balls have equal potential energy".

The potential energy of an object increases with increase in height and decreases with decrease in height.

The maximum height traveled both balls is the same, and the time of the motion does not the affect the potential energy.

P.E = mgh

where;

Thus, we can conclude that both balls have equal potential energy.

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Answer:

1 the medium around the wire

Explanation:

pls mark brainliest it will be my first just pls

The medium surrounding a wire, like the insulating material, doesn't significantly impact resistance, as long as the wire's physical properties and temperature remain unchanged. The correct ans  is 1. the medium around a wire.

The option that does not change the resistance of a wire is:

The medium around a wire.

Resistance in a wire is primarily determined by its physical properties, such as length, cross-sectional area (thickness), and temperature.

The temperature of a wire affects its resistance. As temperature increases, resistance also tends to increase.

The length of a wire affects resistance; longer wires offer higher resistance than shorter wires, assuming all other factors remain constant.

The thickness of a wire affects resistance; thicker wires (larger cross-sectional area) offer lower resistance than thinner wires.

The medium around a wire (Option 1) does not change the resistance of the wire. The resistance of a wire depends on its material, length, and cross-sectional area (thickness), which are constant properties of the wire. The medium or environment surrounding the wire, such as air or vacuum, does not directly affect its resistance.

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The mutual inductance between the coils is 6.25μH. the coefficient of coupling between the coils is approximately 0.447.

The mutual inductance between the coils can be determined using the formula:M = (Δφ_Y) / (N_X * ΔI_X)
Where M represents the mutual inductance, Δφ_Y is the change in flux in coil Y, N_X is the number of turns in coil X, and ΔI_X is the change in current in coil X.
Plugging in the values given, we have: M = (5mWb) / (200 * 4A)

M = 5mWb / 800A

M = 6.25μH. Therefore, the mutual inductance between the coils is 6.25μH.

(b) The coefficient of coupling (k) can be calculated using the formula:

k = M / √(L_X * L_Y)

Where k represents the coefficient of coupling, M is the mutual inductance, L_X is the self-inductance of coil X, and L_Y is the self-inductance of coil Y.
Substituting the given values: k = (6.25μH) / √((80mH) * (60mH))

k = 6.25μH / √(4.8mH^2)

k ≈ 0.447. Therefore, the coefficient of coupling between the coils is approximately 0.447.

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Newton's law of gravitation says that the magnitude f of the force exerted by is f = Gmm/r² and acceleration due to gravity Gm/r².

A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.

The gravitational constant, denoted by the capital letter G, is an empirical physical constant involved in the calculation of gravitational effects in Sir Isaac Newton's law of universal gravitation and in Albert Einstein's theory of general relativity.

f = Gmm/r²

Newton's law of gravitation says that the magnitude f of the force exerted by is f = Gmm/r² and acceleration due to gravity Gm/r².

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The Sun first rises during Year Two on Day 105. This can be determined by looking at the diagram and noting that the stick is pointing up on Day 105, indicating that the Sun is just beginning to rise.

A diagram is a visual representation of information, data or concepts, used to demonstrate relationships and clarify information. Diagrams can be used to show the structure, hierarchy, sequence and flow of data, processes and events, and to illustrate the relationships among components. Diagrams are often used in engineering, science, mathematics and business to improve communication, understanding and problem solving. They can also be used to explain complex ideas and processes, and to create an intuitive understanding of a subject. Examples of diagrams include flowcharts, organizational charts, timelines, Venn diagrams, concept maps and network diagrams.

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Move the force to the right.

Answer:

i dont know about this

Explanation:

Answer:

cT

Explanation:

Said

Skyhawks

Shawnee

sustained

Answer:

The question is missing something it doesn't say how fast down its going and doesn't show the figure sorry for wasting an answer

The given statement "electrostatic discharge (ESD) is a situation that occurs when electrons rush from one statically charged body to another with an unequal charge, following the path of least resistance" is true.

Electrostatic discharge is a rapid transfer of electrons between two objects with different electrostatic potentials, typically caused by close proximity or physical contact. When two objects come into contact, one may have an excess of electrons while the other has a deficit.

The electrons will naturally move from the object with excess electrons to the one with fewer electrons, in order to achieve an equilibrium state. This transfer of electrons follows the path of least resistance, which is determined by the materials and the conditions involved in the interaction.

The movement of electrons can generate a sudden, brief, high-voltage discharge. The resistance of the materials and the surrounding environment plays a crucial role in determining the rate at which the electrons flow and the intensity of the discharge.

ESD can cause damage to sensitive electronic components and pose a risk to people in certain situations. In order to minimize the risk of electrostatic discharge, it is important to take precautions such as using grounding devices, wearing antistatic clothing, and maintaining a controlled environment with appropriate humidity levels.

In summary, electrostatic discharge occurs when electrons rush from one statically charged body to another with an unequal charge, and this movement follows the path of least resistance, leading to a rapid and potentially harmful discharge.

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A force that resists motion of two surfaces that are touching is known as friction.

when attempting to slide an object across two surfaces, there is resistance. When "rough edges" interact at the molecular level, friction results: Every time there is friction, the direction of motion is reversed.

The force that opposes motion when the surface of one object rubs against the surface of another is known as friction.

opposing forces These comprise: Friction is a force that tries to stop two surfaces from slipping or sliding when they are in contact. The motion is countered by air resistance, which acts.

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The proof of third equation of motion is determined as  v² = 2as + u².

The proof of third equation of motion is determined as follows;

The first equation is given as;

v = u + at

t = ( v - u ) /a

where;

The formula for the average distance traveled by an object is;

s = (v + u)/2  x  t

Expand the equation above as;

s = (v + u)/2 x  (v - u)/a

s = (v² - u²) / 2a

2as = v² - u²

v² = 2as + u², proved

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To achieve an acceleration of 9.8 m/s², you should swing the 3.00 kg stone at a speed of approximately 2.71 m/s.

The centripetal acceleration formula, a = (v² / r), relates the acceleration (a) to the velocity (v) and the radius (r) of the circular path. Rearranging the formula to solve for v gives v = sqrt(a * r). In this case, the acceleration is given as 9.8 m/s² and the radius is half the length of the rope, which is 0.75 m. Substituting these values into the formula, we get v = sqrt(9.8 m/s² * 0.75 m) ≈ 2.71 m/s. Therefore, to achieve an acceleration of 9.8 m/s², you should swing the stone at a speed of approximately 2.71 m/s.

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Answer:

Explanation:

a ) The motion is one dimensional , so motion is along x - axis , starting from origin ( 0 , 0 )

b ) Initial velocity is 18.5 m /s when boat is situated at origin . When he displaces by 250 m along x axis and his position is ( 250 , 0 ) along x axis , his velocity becomes 36 m /s . Both his velocity and acceleration is along x - axis.

c ) Initial velocity vi = 18.5 m /s

final velocity vf = 36 m/s

Displacement x  = 250 m

Acceleration a = ?

Most appropriate formula is given below .

vf² = vi² + 2 a x

2ax = vf² - vi²

x =  ( vf² - vi² ) / 2 a

d )

Putting the given values

36² - 18.5² / 2 x 250

= 1296 - 342.25 / 500

= 1.9 m /s².

f ) Time interval t = ?

Required formula

vf = vi + at

t = (vf - vi ) / a

Putting the values

t = (30 - 18.5) / 1.9

= 6.05 second .

Answer:

last one

Explanation:

Answer:

the average speed in annual work out is 46.5

Answer:

A. stronger prevailing winds and more hurricane activity

Explanation:

edg2020

Answer:A

Explanation:

Answer:

36km

Explanation:

The rise and fall of ocean tides is a result of the moon's gravitational pull..

Objects with mass are drawn toward one another by the gravitational force. We frequently consider the pull of Earth's gravity. Your body remains on the ground thanks to this power.

The gravitational force is the force that the earth exerts on a body to attract it.

Examples of motion caused by gravitational force include the downward motion of water in rivers and streams, the upward motion of thrown objects such as balls, and the downward motion of the leaves and fruits of trees as they fall to the earth. Mass is what generates gravitational "pull" according to Newtonian mechanics.

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Using the arctan function, we can calculate the angle using the formula θ = arctan(Fy/Fx). The result will be in radians, so to express it in degrees, we can multiply it by 180/π (approximately 57.3 degrees).

The direction angle of the force that the charged sphere exerts on the line of charge can be determined using trigonometry. We can consider the x-axis as the reference line and measure the angle counterclockwise from the x-axis towards the y-axis.
To find the direction angle, we need to determine the relationship between the x and y components of the force. If we have the magnitudes of the x and y components, we can use the inverse tangent function to find the angle.
Let's say the x-component of the force is Fx and the y-component is Fy. To find the direction angle, we can use the following formula:
θ = arctan(Fy/Fx)
where θ represents the direction angle. The arctan function will give us the angle in radians. To express the answer in degrees, we need to convert it by multiplying it by 180/π (approximately 57.3 degrees).
Therefore, the direction angle of the force that the charged sphere exerts on the line of charge can be found by calculating the arctan(Fy/Fx) and then converting the result to degrees.
The direction angle of the force that the charged sphere exerts on the line of charge can be determined using trigonometry. By measuring the angle counterclockwise from the x-axis towards the y-axis, we can find the direction in which the force is acting. To do this, we need to consider the x and y components of the force.

Let's say the x-component of the force is Fx and the y-component is Fy. Using the arctan function, we can calculate the angle using the formula θ = arctan(Fy/Fx). The result will be in radians, so to express it in degrees, we can multiply it by 180/π (approximately 57.3 degrees). This will give us the direction angle of the force exerted by the charged sphere on the line of charge.

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Given:

ratio of energy is 2√2 : √3

Apply:

Where:

q = charge of proton

v= speed of proton

r= radius of circular path

T= time period of revolution

Kinetic energy (K)

K= 1/2mv^2

From both equations:

Tα1/k

K1:K2 = 2√2 : √3

T1:T2 = √3:2√2

Answer: √3:2√2

Answer:

Orbits are the result of a perfect balance between the forward motion of a body in space, such as a planet or moon, and the pull of gravity on it from another body in space, such as a large planet or star

For a certain chemical reaction, the bond energy of the reactants is 43KJ, and 35KJ of energy is released. 43 KJ is the bond energy of the products.

According to the law of conservation of energy, the total energy of the reactants must be equal to the total energy of the products in a chemical reaction.

In this case, the bond energy of the reactants is 43 KJ, and 35 KJ of energy is released. This means that the total energy of the reactants is 43 KJ, and the total energy of the products must also be 43 KJ + 35 KJ = 78 KJ.

Therefore, the bond energy of the products can be calculated by subtracting the energy released from the total energy of the products:

Bond energy of products = Total energy of products - Energy released

Bond energy of products = 78 KJ - 35 KJ

Bond energy of products = 43 KJ

Therefore, the bond energy of the products in this chemical reaction is 43 KJ.

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