Which sports are similar to the sport that you’ve chosen? How are the sports similar? How are they different?

Answer:

Nuclear pores

Explanation:

Answer:

the energy increases 4 times

Explanation:

A spring has an elastic potential energy that is given by the expression

          K_e = ½ K (x-x₀)²

where x is the distance from the equilibrium point and k is the return constant

if the spring is stretched at  x-x₀ = 2x₀, the energy value

        K_e = ½ k (2x₀)²

        K_e = ½ k 4 x₀²

        K_e = 4 (½ k x₀²)

        \(\frac{K_e}{ \frac{1}{2} k x_o^2}\) = 4

therefore the energy increases 4 times

The energy stored in the spring changes by a factor of 4

The formula for calculating the energy stored in the spring is expressed as:

\(E=\frac{1}{2}ke^2\)

If the spring is stretched to twice the length of its equilibrium position

\(E_2=\frac{1}{2}(2k)^2\\E_2=\frac{1}{2}4k^2\)

Take the ratio of the energy stored in the spring

\(\frac{E_2}{E} =\frac{1/2(4kx^2)}{1/2kx^2}\\ \frac{E_2}{E} =\frac{4}{1}\\E_2 = 4E\)

This shows that the energy stored in the spring changes by a factor of 4

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Answer:

Cold temps. . .

Explanation:

Hope it helps!

Answer:

A flying aircraft, bird.

Falling down or dropping an object

Throwing a ball
Driving a car

Walking, jogging, bicycling, swimming, dancing, or running.

Explanation:

Because kinetic means movement.

So anything moving.

Answer:

Any object in motion.

Explanation:

KE=0.5mv^2

thus is an object has a velocity and/or momentum it will have KE.

Answer:

it's a

Explanation:

Answer:

I believe its D!

Explanation:

Kenetic energy is motion

At the end of each of their runs, Ashlyn will cover more distance and Jennifer will have greater displacement.

Ashlyn will cover more distance because at the end of their runs we can see that Ashlyn ran a mile which is nearly equal to 1.6 km and far more than the 100m covered by Jennifer.

As for the displacement, Jennifer will have greater displacement because she is doing sprint whereas Ashlyn was running in loop in the track so the displacement covered by her will be only the length of the track no matter how much she ran.

Despite having fundamentally different definitions and meanings, distance and displacement are two concepts that appear to signify the same thing.

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Answer:

some of the energy is transformed to thermal energy

Answer:

some of the energy transforms to thermal energy

Explanation:

Answer:

The amount of power will be increased.

Explanation:

If the work remains constant but the time is reduced the power increases. Since power is defined as the relationship between work overtime. By means of the following equation, we can see this relationship.

\(P=W/t\)

where:

P = power [Watts]

W = work [J] (units of joules)

t = time [s]

Let's assume with an example the above written.

If we have an electric motor that exerts a work of 950 [J], and the time used is 5 [s], the power is:

\(P = 950/5\\P = 190 [W]\)

Now if we want to accelerate the work done and use 2 seconds for the time, we will have:

\(P=950/2\\P=475 [W]\)

We want to see how maintaining the work constant but reducing the time in which it occurs affects the power. We will see that the power increases.

We define power as the amount of work done per unit of time.

So we can compute power as the quotient between the work done and the time in which it is done.

So, if we reduce the time in which the work is done, then the denominator is smaller, thus, the power will be larger.

This means that maintaining the work constant, and reducing the time in which it is done, increases the amount of power exerted.

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Answer:

The new pressure will be 12 atm

Change in length in meters is 0.21 m

volume is given by

 \(V_{f} = lwh\\\)

v = volume  \(V_{f}\) = Final  volume , \(V_{i}\) = initial volume

l = length

w = width

h = height

change in volume expansion,

\(V = \beta V_{i} T\)

where

t = change in temperature

\(\beta\) = coefficient of volume expansion

coefficient of volumetric expression defined as increasing volume per unit, original volume per Kelvin rising temperature.

\(\beta \\\) = 210×10⁻⁶ C⁻¹

\(V_{i} = lwh_{i}\)  

\(V_{f} - V_{i} = \beta V_{i}T\)

on solving we get,

\(h_{f} =\) 210×10⁻⁶ × 1 + 1000 = 1000.21m

Change in length=  \(h_{f} -h_{i}\)  = 0.21 m

Change in length in meters is 0.21 m

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The thinnest film (but not zero) that produces a strong reflection for green light with a wavelength of 500 nm is 200 nm.

The wavelength of mild, λ = 500 nm

= 500 x 10^-9 m

Refractive index of oil, n1 = 1.25

Refractive index of water, n2 = 1.33

The thickness of the movie, d =?

For a sturdy mirrored image, m = 1

Wavelength, λ= 2 n1 d / m

Thickness, d = λ m / 2 n1

= 500 x 10 -9 * 1 / ( 2 * 1.25 )

= two hundred x 10 -nine m

= 2 hundred nm.

Wavelength is the gap between the same factors (adjacent crests) within the adjacent cycles of a waveform signal propagated in space or alongside a wire. In wireless systems, this duration is usually specified in meters (m), centimeters (cm), or millimeters (mm).

Wavelength may be defined as the space between two successive crests or troughs of a wave. it is measured within the route of the wave.

Wavelength is the distance among two adjacent crests or troughs of a waveform signal propagated in space or along a wire. The wavelength of a wave is usually specified in meters (m), centimeters (cm), or millimeters (mm). The wavelength is inversely related to frequency.

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The electron volt is the unit of energy commonly used in atomic and nuclear physics.

The amount of energy gained by the charge of a single electron moved across an electric potential difference of 1 volt is called an electron volt. The amount of kinetic energy gained (or lost) by a single electron accelerating from rest over an electric potential difference of one volt in vacuum is known as an electron volt (symbol eV). The energy unit is therefore the electron volt. The external effort required to move a charge in an electric field from one position to another is known as an electric potential difference, or voltage. A test charge with a value of +1 experiences an electric potential difference, which is a shift in potential energy. The joules per coulomb, sometimes known as volts (V), are the units of potential difference. Alessandro Volta gave them this name. The change in potential energy of a charge q transported from point A to point B, divided by the charge, is used to describe the potential difference between points A and B, abbreviated as VBVA.

Electron volt is the unit of

A. energy

B. potential difference

C. charge

D. charge to mass

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Hello!!

For this, use the formula:

\(\boxed{I=V/R}\)

\(\textbf{Being:}\)

\(\sqrt{}\) \(I = Current = ?\)

\(\sqrt{}\) \(V = Voltage = 160 \ V\)

\(\sqrt{}\) \(R = Resistance = 10\ \varOmega\)

\(\textbf{If we replace and resolve it}\)

\(I = 160\ V / 10\ \varOmega\)

\(I = 16\ A\)

\(\text{The current of that circuit is \textbf{16 Amperes}}\)

We will have that kinetic energy is different from potential energy as follows:

Kinetic energy is energy of a moving object, whereas potential energy is energy possessed by matter as a result of its location or structure. [Option C]

a) y(t) = te⁻³ᵗ is a possible position function.

b) General equation: y(t) = C₁e^(-2t) + C₂e^(-3t) + t(e^(-3t))(At + B).

c) Exact motion equation: y(t) = (23/5)e^(-2t) - (8/5)e^(-3t) + t(e^(-3t))(At + B), with initial conditions y(0) = 3 and v(0) = -7.

a) To show that y(t) = te⁻³ᵗ is a possible position function, we substitute it into the differential equation:

y(t) = te⁻³ᵗ

y'(t) = e⁻³ᵗ - 3te⁻³ᵗ

y''(t) = -6e⁻³ᵗ + 9te⁻³ᵗ

Substituting these expressions into the differential equation, we have:

-6e⁻³ᵗ + 9te⁻³ᵗ + 7(e⁻³ᵗ - 3te⁻³ᵗ) + 6(te⁻³ᵗ) = -6te⁻³ᵗ - e³ᵗ

Simplifying this equation, we find that both sides are equal, thus confirming that y(t) = te⁻³ᵗ is a possible position function.

b) The general equation for all possible position functions can be written as:

y(t) = C₁e^(-2t) + C₂e^(-3t) + t(e^(-3t))(At + B)

c) Given the initial conditions y(0) = 3 and y'(0) = v(0) = -7, we substitute these values into the general equation and solve for the constants:

3 = C₁ + C₂

-7 = -2C₁ - 3C₂

Solving these equations, we find C₁ = 23/5 and C₂ = -8/5.

The exact motion equation for the weight is:

y(t) = (23/5)e⁻²ᵗ - (8/5)e⁻³ᵗ + t(e⁻³ᵗ)(At + B)

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Suppose a weight of 1 kg is attached to an oscillating spring with friction constant b = 7 and stiffness constant k = 6. Suppose the external forces on the weight are: Fₑₓₜ(t) = - 6te⁻³ᵗ - e³ᵗ

y" + 7y' + 6y = - 6te⁻³ᵗ - e³ᵗ

a) Show y(t) = te⁻³ᵗ is a possible position function for this weight.

b) Find a general equation for all possible position functions.

c) Find the exact motion equation for this weight if its initial position is y(0) = 3, and its initial velocity is v(0) = y'(0) = -7.

If a machine allows us to apply less force to do work, the cost is that we must apply the force over a greater distance.

The above is so because, according to the principle of work and energy, the amount of work done remains constant, but the force and distance can be traded off. In other words, if we decrease the force required to do a certain amount of work, we must increase the distance over which the force is applied in order to compensate.

Therefore, For example, consider a simple lever. By using a lever, we can apply less force to lift a heavy object, but we must move the lever over a greater distance in order to do so. The work done, which is the product of the force and the distance, remains constant. In this case, the force is reduced, but the distance over which it is applied is increased.

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The equation needed to calculate the charge flow Q = I x t

The formula can be utilised to compute current.The electric current,

,in a wire can be found using the formula

=/,

where represents an amount of charge that passes a point in the wire over some amount of time, .

Electric current is the movement of an electric charge. Amperes are the units used to measure electric current. The ampere has the unit sign A.

When studying electricity, both coulombs and amperes are frequently utilised, but it's vital to keep in mind that they measure distinct things. Charge is measured by the coulomb, while the flow of charge is measured by the ampere.

One coulomb of charge passes a spot in a wire in one ampere of current in one second.

Any amount of time can be used to gauge how much charge is transferred; just that it cannot exceed one second.

Simply dividing a charge's amount by the length of time it was measured yields current.

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The tension to which the screw must be adjusted so that a transverse wave of wavelength 3.33 cm makes 625 vibrations per second is 5.48 N.

The speed of a transverse wave on a string is:

v = sqrt(T/μ)

where v is the speed of the wave, T is the tension in the string, and μ is the linear density of the string.

The frequency of a wave is related to its wavelength and speed by:

f = v/λ

where f is the frequency of the wave and λ is the wavelength.

Combining these equations:

f = sqrt(T/μ) / λ

Solving for T:

T = μf^2λ^2

The linear density of the wire is:

μ = m/L

where m is the mass of the wire and L is its length. Substituting the given values:

μ = 16.5 g / 0.83 m = 19.88 g/m = 0.01988 kg/m

The frequency of the wave is given 625 vibrations per second, which is equivalent to 625 Hz. The wavelength of the wave is given 3.33 cm, which is equivalent to 0.0333 m.

Substituting these values in the equation for tension:

T = \((0.01988 kg/m) * (625 Hz)^2 * (0.0333 m)^2\) = 5.48 N

Therefore, the tension in the wire must be adjusted to 5.48 N so that a transverse wave of wavelength 3.33 cm makes 625 vibrations per second.

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The minimum clearance for overhead service conductors not exceeding 600 V that pass over commercial areas subject to truck traffic is 18 ft.

The National Electrical Safety Code (NESC) provides guidelines for electrical installations. According to NESC Rule 232C1, the minimum clearance for overhead service conductors passing over commercial areas subject to truck traffic is determined by Table 232-1. For conductors not exceeding 600 V, the required clearance is specified as 18 ft.

This clearance requirement is essential to ensure the safe operation of overhead electrical conductors in areas where commercial vehicles, such as trucks, may be present. Adequate clearance helps prevent accidental contact between the conductors and vehicles, reducing the risk of electrical hazards and potential damage to the conductors.

It is important to consult the latest edition of the NESC or local electrical codes for precise and up-to-date clearance requirements, as regulations may vary depending on the jurisdiction.

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Answer:

3) both moving and non moving objects

Hope it helps:)

The answer is False. A polarized material does not need to have a nonzero net electric charge. Polarization occurs when the positive and negative charges within a material are displaced relative to each other, creating an electric dipole moment.

This can happen in materials such as dielectrics or insulators, which do not conduct electricity. The net electric charge of a polarized material can still be zero, as the overall positive and negative charges remain balanced, but the charges are spatially separated. Polarization plays an important role in phenomena such as capacitance, dielectric constant, and polarization-induced electric fields.

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The current induced in the coil during ΔT is 0.030 A

An alternative statement of Ohm's law reads as follows: "The electric current in a conductor is equal to the potential difference across the conductor divided by the resistance of the conductor."

Ohm law formula:

I = V/R.

To determine the current induced in the coil, find the induced emf first.

Use formula:

ε = -N (dФB)dt = −Nμ₀n (πr²) (di/dt)

− (120) (4π × 10⁻⁷) (22.000)π(0.016)² (1.5/0.025)

= 0.16 V

Ohm's law equation:

I = V/R

= 0.16/5.3

= 0.030 A

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Answer:

5.6

Explanation:

F=kx is the formula for spring force.  If Extension versus Force was graphed, a linear relation would appear, where the slope is the k value, aka the spring constant.

Answer:

Equality is the state of being equal in rights word and oportunities

Answer:

Copper isn't ferromagnetic,

Aluminum isn't ferromagnetic,

String has a ferromagnetic property

So in conclusion:

The answer is strings :)

Answer:

60 km/h

Explanation:

Simplify the speed:

120÷2=60

Hence, the average speed is 60 km/h.

Answer:

no

Explanation:

An electron is one of the components of an atom, so it cannot be larger than that.

Answer:

No, it's not.

Explanation:

The tightly packed nucleus is 100,000 times smaller than the electron cloud.

Answer:

1.2 m/s^2

Explanation:

I will ignore gravity and friction....and will choose 25 N as UP and 40 N to Left (see diagram)

Resultant force:   R^2 = 25^2 + 40^2        R = sqrt(2225)=47 N

F = ma

F/m = a  

47 N / 40 kg = a = 1.2 m/s^2