Describe and explain how energy is transferred in the bulbs. Use scientific ideas to support your answer

Answer:

9 x 10 ^9 yrs    ( 9 billion years <=====older than Earth !)

Explanation:

.25 = 1.0 (1/2) ^n

.25 / 1.0 =   = (1/2 )^n

log .25 =  n log 1/2

n = 2 half lives

2 * 4.5 x 10^9 =   9 x 10 ^ 9 yrs

The combined mass of the cessna plane and the passangers, with a potential energy of 800 J is 0.041 kg.

Mass can be defined as the quantity of matter a body contains.

To calculate the combined mass of the cessna plane and passangers, we use the formula below

Formula:

Where:

Make M the subject of the equation

From the question,

Given:

Substitute these values into equation 2

Hence, the combined mass of the cessna plane and the passangers is 0.041 kg.

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1) electromagnetism

2) magnetic field

3) electric field

4) strength

Electromagnetism is the fundamental principle behind the functioning of an electric generator. An electric generator works on the principle of electromagnetic induction, which is the process of generating an electric current in a conductor by exposing it to a changing magnetic field.

In a generator, a wire coil is rotated inside a magnetic field, which induces an electric current in the coil. The magnetic field can be created by a permanent magnet or an electromagnet. An electromagnet is made by passing an electric current through a coil of wire, which generates a magnetic field.

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The sign of δethδethdeltae_{th} as the system of ideal gas goes from point a to point b on the graph is positive, as the graph of an ideal gas is a straight line which passes through the origin and has a positive slope.

If we are given the graph of an ideal gas, it will be represented as a straight line in the pressure-volume diagram and has a positive slope (since pressure is proportional to the number of molecules in the container).

The internal energy of an ideal gas is directly proportional to its temperature, which means that the value of δethδethdeltae_{th} is also proportional to temperature. Since the slope of the graph is positive, the temperature also increases, and the change in internal energy is positive (since δethδethdeltae_{th} is proportional to temperature).

Therefore, the sign of δethδethdeltae_{th} as the system of ideal gas goes from point a to point b on the graph is positive. An ideal gas undergoes isothermal expansion, that is, the temperature is kept constant while the volume is increased. According to the ideal gas law, the pressure is inversely proportional to the volume, which means that the pressure decreases as the volume increases.

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Answer:

\(\huge\boxed{Radiation}\)

Explanation:

In microwave, there are waves called "microwaves" as per the name. So, The heating of food is done with the help of waves. Radiation is "the transfer of heat through waves". That is why the process of heating food in a microwave is "Radiation".

Answer:

\(\huge \boxed{\mathrm{\bold{C.} \ Radiation}}\)

Explanation:

Microwaves heat food through the form of waves.

The waves are electromagnetic waves that transfer heat through the process of radiation.

If a constant net torque is applied to an object, the object will rotate with a constant angular acceleration.

Torque is the rotational equivalent of force and is responsible for causing rotational motion in objects. When a net torque is applied to an object, it produces an angular acceleration, which is the rate of change of angular velocity.

In this scenario, if the net torque acting on the object remains constant, it means that the external forces causing the torque are consistent and not changing. According to Newton's second law for rotation, the net torque acting on an object is equal to the moment of inertia multiplied by the angular acceleration.

If the net torque remains constant, and assuming no external influences or changes to the object's moment of inertia, the angular acceleration will remain constant as well. This means that the object will rotate with a constant angular acceleration.

The other options listed, such as rotating with a constant angular velocity, having an increasing moment of inertia, or having a decreasing moment of inertia, are not applicable in this scenario of a constant net torque.

It is important to note that if the net torque changes over time or there are external influences altering the moment of inertia, the rotational motion of the object may differ from the scenario described above. However, when a constant net torque is applied, the object will rotate with a constant angular acceleration.

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The frequency of visible light with a wavelength of 641 nm in vacuum is approximately 467.76 terahertz (THz).

The relationship between wavelength (λ) and frequency (f) of electromagnetic radiation is given by the formula: f = c/λ , where c is the speed of light in vacuum, which is approximately equal to 299,792,458 meters per second (m/s).
To find the frequency of visible light with a wavelength of 641 nm in vacuum, we can plug in the given values into the formula: f = c/λ , f = 299,792,458 m/s / 641 nm .

Convert the wavelength to meters: 641 nm = 641 x 10^-9 meters.
2. Plug in the values into the equation: f = (3 x 10^8 m/s) / (641 x 10^-9 m).
3. Calculate the frequency: f ≈ 4.674 x 10^14 Hz.
4. Convert the frequency to terahertz (THz): 4.674 x 10^14 Hz = 467.4 THz.
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The term you are looking for is "chemical battery". Chemical batteries work by converting chemical energy into electrical energy through a series of chemical reactions. These reactions take place within the battery's cells, which are composed of two electrodes and an electrolyte.

When the battery is connected to a circuit, the chemical reactions produce an electrical current that can be used to power devices. Chemical batteries are widely used in many applications, including consumer electronics, electric vehicles, and renewable energy systems. They are a crucial component of our modern technological society, and ongoing research is focused on developing more efficient and sustainable battery technologies to meet growing energy demands.

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The approach which currently is proving to be the most promising in determining how life on earth originated is the laboratory simulations of conditions present on the early earth.

The conditions that were present on the early earth were:

The laboratory simulations of conditions on early earth was a chemical experiment named as Miller-Urey experiment, which in 1952 simulated the conditions that were present on the early earth.

In 1952, Stanley Miller and Harold Urey simulated the conditions of early Earth by sealing water, methane, ammonia and hydrogen in a glass flask. Then they applied electrical sparks to the mixture.

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Answer:

v = 30 /1500= 0.02 m/s

................

In amplifiers, the coupling and bypass capacitors appear to be shorts to ac at the mid band frequencies.

At low frequencies the capacitive reactance, XC, of these capacitors affect the gain and phase shift of signals, so they must be taken into account.

\(\alpha =\frac{1}{2\pi f}\)

At lower f, the internal capacitances have a very high Xc like opens and have no effect on the transistor’s performance. However, as the frequency goes up (at high f), the internal  capacitive reactances go down and they have a significant effect on the transistor’s gain and also it introduces a phase shift; it has the inverse effect to the coupling capacitor.

Miller’s theorem states that C effectively appears as a capacitance from input to ground is as given below-

\(Cin= C(A+1)\)

\(Cout=\frac{CA +C}{\alpha }\)

This shows the effective input and output capacitance.

Critical frequency is given as -

\(\alpha = \lim_{n \to \infty} a_n\)

= 10 log(0.5)

=-3dB

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Pregunta completa :

Un zapato de golf tiene 10 tacos cada uno con un área de 0.01 pulgadas en contacto con el piso suponga que al caminar hay un instante en que los tacos soportan el peso completo de una persona de 180 libras ¿cuál es la presión ejercida por los tacos sobre el suelo?

Responder:

12230825.435 pascal

Explicación:

Dado que:

Peso (W) = 180 libras

Número de tacos = 10

Área por montante = 0.01 in²

Área total (10 * 0.01) = 0.1 pulg²

Usando la calculadora de conversión:

180 libras = 81.647 kg

0.1 pulg² = 6.452 × 10 ^ -5 m²

Recordar :

Presión = Fuerza (Newton) / Área (m²)

Fuerza = masa * aceleración debida a la gravedad

Aceleración por gravedad = 9,8 m / s²

Presión = (81.647 * 9.8) / (6.452 * 10 ^ -5)

Presión = 800.1406 / 6.452 * 10 ^ -5

Presión = 12230825.435 pascal

Answer:

the neutron star becomes a black hole

Answer:

neutron stars

Explanation:

not really sure of an explanation, but maybe try looking up for "What type of star ends up as a blackhole?" should help

The shot hits the ground with a speed of approximately 10.54 m/s.
To find the speed at which the shot hits the ground, we can analyze the horizontal and vertical components of its motion.

Given:

Initial velocity (v₀) = 20 m/s

Height (h) = 1.8 m

Launch angle (θ) = 30 degrees

Acceleration due to gravity (g) = 9.8 m/s²

First, we can find the time it takes for the shot to hit the ground by analyzing its vertical motion. Using the equation of motion:

h = v₀ᵧ * t - (1/2) * g * t²

where v₀ᵧ is the initial vertical component of velocity. Since the shot is launched horizontally, v₀ᵧ = 0. Therefore, we can simplify the equation to:

h = -(1/2) * g * t²

Solving for t:

t² = (2h) / g

t = √((2 * 1.8 m) / 9.8 m/s²)

t ≈ 0.608 s

Next, we can find the horizontal component of velocity (vₓ) using the initial velocity and launch angle:

vₓ = v₀ * cos(θ)

vₓ = 20 m/s * cos(30°)

vₓ ≈ 17.32 m/s

Finally, we can find the speed at which the shot hits the ground by multiplying the horizontal component of velocity by the time of flight:

Speed = vₓ * t

Speed = 17.32 m/s * 0.608 s

Speed ≈ 10.54 m/s

Therefore, the shot hits the ground with a speed of approximately 10.54 m/s.
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The magnitude of the total force of the stone on the man's hand is 1.43N

The rate at which an object's velocity with respect to time changes is referred to as acceleration in mechanics.

The direction of the net force acting on an object determines the direction of its acceleration.

Newton's Second Law's Second Law of Acceleration describes the magnitude of an object's acceleration.

Nis normal force exerted by stone on hand.

According to Newton's third law stone also exerted the same force.

⇒ N-mg= ma

⇒ N=1.3(9.8+1.2)

⇒ N=1.43newton

The magnitude of the total force of the stone on the man's hand is 1.43N

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The induced current in the loop is approximately -13.1 mA over the time interval considered.

The induced current in the loop can be found using Faraday's law of electromagnetic induction, which states that the induced emf in a loop is equal to the negative rate of change of magnetic flux through the loop. The magnetic flux through the loop is given by the product of the magnetic field and the area of the loop. The induced emf is related to the induced current and the resistance of the loop by Ohm's law.

A) The initial magnetic flux through the loop is:

Φ1 = B1A = (0.500 T)(9.00 cm²)(10⁻⁴ m²/cm²) = 0.00450 Wb

The final magnetic flux through the loop is:

Φ2 = B2A = (3.50 T)(9.00 cm²)(10⁻⁴ m²/cm²) = 0.0315 Wb

The rate of change of magnetic flux is:

ΔΦ/Δt = (Φ2 - Φ1)/Δt = (0.0315 Wb - 0.00450 Wb)/1.10 s = 0.0236 Wb/s

B) The induced emf in the loop is:

emf = -dΦ/dt

       = -0.0236 V

C) The induced current in the loop is:

I = emf/R = (-0.0236 V)/(1.80 Ω)

               = -0.0131 A

D) Converting the current to milliamperes, we get:

I = -13.1 mA

As a result, for the time frame studied, the induced current in the loop is roughly -13.1 mA.

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The force needed to stretch a wire depends on its properties, specifically its Young's modulus, cross-sectional area, and the amount of stretch applied.

Assuming that the wires have the same Young's modulus and are stretched by the same amount, we can use the following formula to calculate the force needed:

F = (Y * A * delta_L) / L

where F is the force needed, Y is the Young's modulus, A is the cross-sectional area, delta_L is the amount of stretch applied, and L is the original length of the wire.

Since the second wire is twice as long and has twice the diameter of the first wire, its cross-sectional area is four times greater than the first wire. Therefore, we can calculate the force needed for the second wire as follows:

F_2 = (Y * 4A * delta_L) / (2L)

F_2 = (2Y * A * delta_L) / L

where F_2 is the force needed for the second wire.

Since the second wire has the same material and Young's modulus as the first wire, we can simplify the equation further:

F_2 = 2F_1

where F_1 is the force needed to stretch the first wire by the same amount.

Therefore, the force needed to stretch the second wire by 1.0 mm is twice the force needed to stretch the first wire by the same amount.

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The Claim is Untrue b). In several coordinate systems, a vector's magnitude might vary.

A quantity or phenomena with independent qualities for both size and direction is called a vector. The word can also refer to a quantity's mathematical or geometrical representation. Movement, lateral movement, force, electromagnetic fields, and weight are a few examples of vectors in nature.

In science, anything that has a course of action and a magnitude is referred to as a vector. They are typically represented by pointing lines, the height of which denotes the size of the vector.

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Answer:

Attometer

Explanation:

an attometer is the smallest unit of measurement.

Hope it helped!

To find the Compton shift at a given angle of 37.0°, we can use the formula:

\(\lambda' - \lambda = (6.626 x 10^-34 J·s / 9.109 x 10^-31 kg) * (1 - cos(37.0°))\)

Substituting the values:

\(\lambda' - \lambda = (6.626 x 10^-34 J·s / 9.109 x 10^-31 kg) * (1 - cos(37.0°))\)

To find the Compton shift at a given angle, we can use the Compton wavelength shift formula:
\(\lambda' - \lambda = (h / m_e) * (1 - cos\theta)\)
where:
- λ' is the wavelength of the scattered X-rays
- λ is the wavelength of the incident X-rays
- h is the Planck's constant (6.626 x 10^-34 J·s)
-\(m_e\) is the mass of an electron (9.109 x 10^-31 kg)
- θ is the scattering angle
First, let's convert the energy of the X-rays to wavelength using the equation:
\(E = hc / \lambda\)

Where:
- E is the energy of the X-rays (300 keV = 300 x 10^3 x 1.602 x 10^-19 J)
- h is the Planck's constant
- c is the speed of light (3 x 10^8 m/s)
Solving for λ, we find:
\(\lambda = hc / E\)
Now, substitute the given values:
\(\lambda = (6.626 x 10^-34 J·s * 3 x 10^8 m/s) / (300 x 10^3 x 1.602 x 10^-19 J)\)
Calculate λ to get the wavelength of the incident X-rays.
Next, substitute the values of λ, θ, h, and \(m_e\) into the Compton wavelength shift formula:
\(\lambda' - \lambda = (6.626 x 10^-34 J·s / 9.109 x 10^-31 kg) * (1 - cos(37.0°))\\\)
Solve for λ' - λ to find the Compton shift at this angle.

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Answer:

E= 600 W

Explanation:

Given that

m = 2 kg

Speed ,  v= 10 m/s

Force , F= 60 N

Given that box is moving with constant velocity, it means that friction force will be 60 N.

f = 60 N

Therefore total energy generated

E= f x v

E= 60 x 10 = 600 W

E= 600 W

Thus the answer will be 600 W.

Answer:

____________

in real world conditions?

it seems the most plausible.

Answer (B)

Cars are tested on closed tracks and race tracks so rule out A, D. Tha leaves us with B, C. C is kind of a real-world situation so the answer is most likely, B.

1 kilometer

Explanation:

hope it helps

Answer:

275m

Explanation:

hope it helps

pls give me brainliest

Abraham Lincoln

Explanation:

hope it helps you a little

Following Greek customs of direct democracy and majority rule when passing legislation, the Mayflower Compact of 1620 served as the Massachusetts colony's constitution. The House of Burgesses had an impact on the founding fathers' decision to create a representative form of government where members gathered to discuss topics, adopt laws, and pass taxes.

To help organise and rule the populace, they all passed laws.

Because the Mayflower Compact was the first document to establish self-government in the New World, it was significant. Up until Plymouth Colony joined Massachusetts Bay Colony in 1691, it was still in operation.

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Answer:

The magnetic field is doubled.

Explanation:

What happens to the strength of the magnetic field if one more 1.5 v dry cell is added?

The magnetic field due to a current carrying conductor is directly proportional to the current flowing in the wire.

If we connect one more battery of 1.5 V so the voltage is doubled and according to the Ohm's law, as the resistance of wire is constant, so the current in the wire is also doubled.

When the current doubles, the magnetic field produced by the wire is also  doubled.

The gravitational force between the two objects is 8.37×10^-11 N

Newton Law of universal gravitation states that the force of attraction or repulsion between two object is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. From the law

This means that F = G×(mass1 × mass2)/(radius)²

Where G is the gravitational constant ,which is given as 6.67×10^-11 Nm²/kg² and r is the distance between them

the force between two objects with masses 112kg is F= 6.67×10^-11×112²/100²

F= 8.37×10^-11/10000

F= 8.37×10^-11 N

therefore the force of gravity between the two objects is 8.37×10^-11 N

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Explanation:

The vertical velocity changes because gravity is what brings the ball downwards, since gravity is what cause acclereation in free fall, acclereatiin will make the velocity become more negative.

There is no force happening on the ball in the horinzontal direction so according to Newton 1st law, the ball will remain in constant velocity n the horinzotnal direction.

Answer:

grav times mass equals force

Explanation: