What is the process of splitting light called?

Answer:

The evidence is : Light reflects when it hits a surface.

Explanation:

The meaning of dual wave particle nature is that light exhibits both wave and particle properties. This is to say that light is a particle in form of a photon and a wave due to flow of photons. The properties displayed by light such a reflection of light and scattering of light are possible due to the properties of small particles/photons.  

Answer:

Light reflects when it hits a surface

Explanation:

Answer:

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Explanation:

Answer:

imma have to come back to you on that one

Answer:

The Sun is at the center of the solar system and the planets move around it.

Explanation:pluto/edmentum

Answer:

Dirac did more than any other scientist to reconcile Einstein's general theory of relativity to quantum mechanics. In 1933 he received the Nobel Prize in Physics, the youngest theoretical physicist ever to do so.

Explanation:

Answer:

Option (C)

Explanation: According to the law of Uniformitarianism, the geological processes that is going on now, has undergone in the past and will be continued in the same way in the future too.

Due to this constant ongoing earth dynamic processes, in terms of millions of years, the previously exited landforms have undergone weathering and erosion, and subsequently deposition also has taken place, and gave the shape of the present existing landforms. These processes has occurred slowly and will be continued in the same way in the future also.

Thus, the correct answer is option (C).

the velocity of a moving body that is in dynamic equilibrium is constant.

Due to the fact that the net force on a moving body in dynamic equilibrium so, in accordance with Newton's second law of motion, it has nothing accelerates. As a result, the body's velocity is constant.

The behavior of things is predicted by Newton's first rule of motion when all external forces are equal. The first law, sometimes known as the law of inertia, asserts that if an object's forces are balanced, its acceleration will be zero meters per second. An item is considered to be in equilibrium and not accelerate when all forces are in balance. According to Newton, something will only move forward in the presence of an imbalanced or net force. If there is an uneven force, the item will accelerate, changing its direction, speed, or both.

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Answer:

A stronger force changes increases velocity more due to increased acceleration on the object if the mass is constant as compared to a weaker force.

Explanation:

Force affects how objects behave in terms of motion, direction, shape etc. When an object is in a state of rest, then force is applied, the object starts to move is a particular direction. Increase in the force applied will make the object to speed up which is to say the velocity will increase.

For example:

When a ball is kicked with a player with a force of 10 N the velocity of the ball is recorded to be 3 m/s. When the player is replaced with a kid the force on the ball is 2 N and its velocity is recorded to be 0.3 m/s.

Reasoning

Increased in force applied on an object increases its acceleration resulting to a higher velocity of the object.

F= m * a --------if  mass is constant , increased force will increase acceleration and speed up the object.

Precision refers to the closeness of two or more measurements to each other. Using the example above, if you weigh a given substance five times, and get 3.2 kg each time, then your measurement is very precise. Precision is independent of accuracy.

Answer:

43.3 m/s.

Explanation:

Assuming the potential energy is due to the gravitational potential energy, we can use the conservation of energy to find the kinetic energy:

Total energy = Potential energy + Kinetic energy

Kinetic energy = Total energy - Potential energy

Kinetic energy = 300 J - 40 J = 260 J

However, we need to know the mass of the object to convert the kinetic energy to velocity. We can use the potential energy to find the mass:

Potential energy = mgh

40 J = m(9.81 m/s^2)(300 m)

m = 0.137 kg

Now we can use the kinetic energy to find the velocity:

Kinetic energy = (1/2)mv^2

260 J = (1/2)(0.137 kg)v^2

v^2 = (2*260 J) / 0.137 kg

v = 43.3 m/s (rounded to one decimal place)

Therefore, the kinetic energy is 260 J and the velocity of the object when it reaches the ground is 43.3 m/s.

Answer:

Explanation:

1

2

3

The third table shown in the diagram below can be modelled with the equation, y = x + 2, therefore, it represents a linear equation.

A linear function is a function whose graph represents a straight line when the points are plotted, and also can be modelled by the equation, y = mx + b.

b is the value of y when x = 0 (y-intercept)

m is the slope or unit rate.

Thus, the third table shown in the diagram below can be modelled with the equation, y = x + 2, therefore, it represents a linear equation (see attachment). The last table has a constant slope of -3, hence it represents a linear function.

Table of functions

From the given table, we need to determine which of the table is a linear table. To determine that, we must check which of the table has a constant rate of change

Looking at the last table;

Slope = -4-(-2)/2-1

Slope = -4+1/1

Slope = -3

Since the last table has a constant slope of -3, hence it represents a linear function.

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EAC( Low-energy lightbulb )=18.47 EAC( Conventional lightbulb )=7.33 Conventional lightbulb is cheaper to operate. Option D

To calculate the Equivalent Annual Costs (EAC), we need to consider the initial cost, maintenance costs, and the present value of future costs, taking into account the discount rate.

The EAC (Equivalent Annual Cost) is calculated by summing up the annual costs of the lightbulb over its lifetime, discounted at the real discount rate of 4%.

For the low-energy lightbulb:

EAC = Cost of bulb + Present value of annual electricity cost

= $3.60 + ($2.00 / (1 + 0.04)^1) + ($2.00 / (1 + 0.04)^2) + ... + ($2.00 / (1 + 0.04)^9)

≈ $18.47

For the conventional lightbulb:

EAC = Cost of bulb + Present value of annual electricity cost

= $0.60 + ($7.00 / (1 + 0.04)^1) + ($7.00 / (1 + 0.04)^2) + ... + ($7.00 / (1 + 0.04)^1)

≈ $7.33

Since the EAC for the low-energy lightbulb is $18.47 per year and the EAC for the conventional lightbulb is $7.33 per year, the conventional lightbulb is cheaper to operate assuming a burnt-out bulb is replaced by an identical bulb.

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The low thermal conductivity rating of rigid polyurethane foam, which is one of the lowest among regularly used insulating materials, enables for effective heat flow retention.

Diamond, on the other hand, is the most thermally conductive substance, with conductivity levels reported 5 times greater than copper, the most commonly produced metal in the United States. Diamond atoms have a simple carbon backbone, which is an optimal molecular structure for heat transmission.

The highest thermal conductivity values are often found in substances with the simplest chemical components and molecular structures.

A material's thermal conductivity is a measure of its capacity to conduct heat. It is typically represented by the letters k, lambda, or kappa. Heat transmission happens at a slower rate in low thermal conductivity materials than in high thermal conductivity materials.

Thermal conductivity is a measure of a material's capacity to conduct heat. High thermal conductivity materials may effectively transport heat and rapidly absorb heat from their surroundings. Poor thermal conductors restrict heat movement and absorb heat from their surroundings slowly.

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Answer:

Tom and his sister experience a net force of the same magnitude.

The acceleration of Tom is less than that of his sister.

The magnitude of the acceleration of Tom will be approximately \(0.45\; {\rm m\cdot s^{-2}}\).

Explanation:

Assume that friction is negligible and that the ice rink is level. The only unbalanced force on Tom will be the force from his sister.

By Newton's Laws of Motion, Tom's sister will experience a reaction force from Tom. This reaction force will be equal in magnitude to the force on Tom, but opposite in the direction.

If friction is negligible and the rink is level, the net force on Tom will be equal to that on his sister. However, acceleration is inversely proportional to mass: if the net force on an object is \(F(\text{net})\) and the mass of the object is \(m\), the acceleration \(a\) of that object will be \(a = (F(\text{net})) / m\).

Since Tom's mass is greater than that of his sister and the magnitude of net force on them is the same, the acceleration of Tom's sister will be greater.

Using the equation \(F(\text{net}) = m\, a\), find the magnitude of the net force on Tom's sister:

\(\begin{aligned}F(\text{net, sister}) &= m(\text{sister})\, a(\text{sister}) \\ &= (15\; {\rm kg}) \, (2.3\; {\rm m\cdot s^{-2}})\\ &= 34.5\; {\rm N}\end{aligned}\).

Since the net force on Tom is the same as that on his sister, the magnitude of the net force on Tom will also be \(34.5\; {\rm N}\). Since the mass of Tom is \(m = 76\; {\rm kg}\), the acceleration of Tom will be:

\(\begin{aligned}a(\text{Tom}) &= \frac{F(\text{net, Tom})}{m(\text{Tom})} \\ &= \frac{34.5\; {\rm N}}{76\; {\rm kg}} \\ &\approx 0.45\; {\rm m\cdot s^{-2}}\end{aligned}\).

The magnitude spectrum versus frequency for the signal g(t) = exp(-10t)u(t) and the continuous magnitude transform, and to determine the number of points in the signal and the period, the provided MATLAB code can be used.

A. To plot the magnitude spectrum versus frequency for the signal g(t) = exp(-10t)u(t) for 0 ≤ t ≤ 1 with Δt = 0.01 and determine the number of points in the signal:

```matlab

% Define parameters

delta_t = 0.01; % Sampling interval

t = 0:delta_t:1; % Time vector

g = exp(-10*t).*(t >= 0); % Signal definition

% Pad with zeros

N_zeros = 450;

g_padded = [zeros(1, N_zeros), g, zeros(1, N_zeros)];

% Compute the Fourier Transform

G = fft(g_padded);

% Compute the magnitude spectrum

G_mag = abs(G);

% Determine the number of points in the signal

num_points = length(g_padded);

% Determine the period

T = num_points * delta_t;

% Determine the frequency vector

Fs = 1/delta_t; % Sampling frequency

f = (-Fs/2 : Fs/num_points : Fs/2 - Fs/num_points);

% Plot the magnitude spectrum versus frequency

plot(f, G_mag);

xlabel('Frequency');

ylabel('Magnitude Spectrum');

title('Magnitude Spectrum versus Frequency');

```

B. To plot the continuous magnitude transform given by G(f) = (10 + j2πf) / (1 - e^(-(10 + j2πf))) and utilize the same frequency separation:

```matlab

% Define frequency range

f = -Fs/2 : Fs/num_points : Fs/2 - Fs/num_points;

% Evaluate the expression for G(f)

G_continuous = (10 + 1j * 2 * pi * f) ./ (1 - exp(-(10 + 1j * 2 * pi * f)));

% Plot the continuous magnitude transform

plot(f, abs(G_continuous));

xlabel('Frequency');

ylabel('Magnitude');

title('Continuous Magnitude Transform');

```

C. To plot the magnitude spectrum versus frequency for the signal g(t) = sinc(πt) assuming Δt = 0.01 and determine the period T:

```matlab

% Define parameters

delta_t = 0.01; % Sampling interval

t = -1:delta_t:1; % Time vector

g = sinc(pi*t); % Signal definition

% Pad with zeros

N_zeros = 450;

g_padded = [zeros(1, N_zeros), g, zeros(1, N_zeros)];

% Compute the Fourier Transform

G = fft(g_padded);

% Compute the magnitude spectrum

G_mag = abs(G);

% Determine the number of points in the signal

num_points = length(g_padded);

% Determine the period

T = num_points * delta_t;

% Determine the frequency vector

Fs = 1/delta_t; % Sampling frequency

f = (-Fs/2 : Fs/num_points : Fs/2 - Fs/num_points);

% Plot the magnitude spectrum versus frequency

plot(f, G_mag);

xlabel('Frequency');

ylabel('Magnitude Spectrum');

title('Magnitude Spectrum versus Frequency');

```

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Answer:

kinetic and potential energy). The opposite is true when you remove thermal energy: Particles move slower (less kinetic energy). Particles get closer together (less potential energy)

Answer:

Explanation:

kinetic and potential energy). The opposite is true when you remove thermal energy: Particles move slower (less kinetic energy). Particles get closer together (less potential energy).

Does this make sense??-

Answer:

Scientific Definition of Mass. Mass is the quantity of inertia (resistance to acceleration) possessed by an object or the proportion between force and acceleration referred to in Newton's Second Law of Motion (force equals mass times acceleration). In other words, the more mass an object has, the more force it takes to get it moving.

Explanation:

Answer:

I believe its either the 3rd or 4th one

Explanation:

I'm not sure if these are correct sorry if this is a false or unhelpful anwser

Answer:

The foil makes the microwave spark it can smoke up and catch fie.

Explanation:

-The aluminum foil's sharp edges are what causes the fire, smoke, and sarks.

- Hope This Helps!

-Justin:)

Answer:

itll spark and catch fire

Explanation:

When a beam of 11 keV X-rays illuminates a sample, the angles that will produce diffraction maxima of the first, second, and third order can be calculated using Bragg's law, which states that nλ = 2d sin(θ), where n is the order of diffraction, λ is the wavelength of the X-rays, d is the spacing between crystal lattice planes, and θ is the angle of incidence.

Bragg's law can be used to calculate the angles for diffraction maxima. For the first-order maximum (n = 1), we have λ = 2d sin(θ₁). Rearranging the equation, we get sin(θ₁) = λ / (2d). Substituting the values, with λ representing the wavelength of 11 keV X-rays (which can be converted to the corresponding wavelength), and the known spacing between lattice planes, we can solve for θ₁.

For the second-order maximum (n = 2), the equation becomes λ = 2d sin(θ₂). Solving for sin(θ₂) and substituting the values, we can find θ₂.

Similarly, for the third-order maximum (n = 3), we use λ = 2d sin(θ₃) to determine sin(θ₃) and find θ₃ by substituting the values.

By calculating these angles using Bragg's law, we can determine the angles that will produce diffraction maxima of the first, second, and third order for the given beam of 11 keV X-rays illuminating the sample.

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The description refers to the concept of the celestial sphere.

The celestial sphere is an imaginary sphere of large radius centered on the observer, which serves as a convenient reference for observing objects in the sky. It is a conceptual tool used by astronomers to map and locate celestial objects such as stars, planets, and galaxies. The celestial sphere appears as a dome-like structure encompassing the observer, with the Earth at its center.

By considering the celestial sphere, the directions and positions of objects in the sky can be denoted using coordinates based on the sphere's surface. These coordinates include declination and right ascension, similar to latitude and longitude on Earth. Declination measures the object's position north or south of the celestial equator, while right ascension measures its position eastward along the celestial equator.

While the celestial sphere is a helpful representation for visualizing and locating celestial objects, it is important to note that it is an artificial construct. In reality, celestial objects are at various distances from Earth, and their positions are not truly fixed on a physical sphere. However, the concept of the celestial sphere provides a useful framework for observational astronomy and celestial navigation.

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Or less 3000 N of force acts just on the hand when a ninja kick breaks a piece of wood with a 3000 N blow. In physics, a pressure effect has the power to change how an item moves.

A mass-containing object's velocity could alter and accelerate as a result of a force (for example, moving from a state of rest). A push or a pull can also be used to conceptualise force. According to the physics concept of force, a change in velocity is caused by the push or pull an item receives. A body's resting or moving status can be changed by an external agent known as force.

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The pressure exerted by the cylinder is 93,630 Pa.

Given data:

Mass of cylinder (m) = 75 kg

Length of cylinder (l) = 2.5 m

Radius of cylinder (r) = 5.0 cm = 0.05 m

The pressure exerted by the cylinder can be calculated using the formula:

P = F/A where P is the pressure, F is the force and A is the area of the surface over which the force is applied.

Area of the circular end of the cylinder, A = πr²= π(0.05)²= 0.00785 m²

Weight of cylinder: W = mg where g is the acceleration due to gravity (9.8 m/s²)W = 75 × 9.8W = 735 N

Now, the force exerted on the ground by the cylinder is equal to the weight of the cylinder, so, F = 735 N

Thus, the pressure exerted by the cylinder is, P = F/A= 735/0.00785= 93,630 Pa

Therefore, the pressure exerted by the cylinder is 93,630 Pa.

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The speed of the  Toyota Corolla would have  been 143.9 mph.

The acceleration of the F-15 can be calculated as follows:

Acceleration = Velocity Change / Time = (Take-off Speed) / Time

where;

Take-off Speed = √(2dg /t²)

Take-off Speed = √(2 x  (270 ft)  x 32.2 ft/s² / (2 s)²)

T  = √(17496) = 131.6 ft/s

Acceleration = Velocity Change / Time

= (131.6 ft/s) / (2 s) = 65.8 ft/s²

We can use the same acceleration to launch the Toyota Corolla, and calculate its final velocity:

Final Velocity = Initial Velocity + Acceleration x Time

where;

Final Velocity = 0 + (65.8 ft/s²) * (2 s) = 131.6 ft/s

Finally, we can convert the velocity from feet per second to miles per hour:

Velocity (mph) = Velocity (ft/s) x (1 hour/3600 s) x (5280 ft/mile)

= 131.6 ft/s x  (1 hour/3600 s)  x (5280 ft/mile)

= 143.9 mph

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The spacing of the magnetic field lines near a long straight wire carrying current is B, The spacing decreases as the distance from the wire increases,

A magnetic field is a field of energy that surrounds a magnet and allows it to attract or repel other magnets. Electrically charged particles create a magnetic field. Magnetic fields are used in many different applications, including medical equipment, power plants, and communication technology.Along the length of the wire carrying a current, the magnetic field lines form concentric circles around it. Because the field lines are uniformly spaced, the field lines are said to be uniform.

The direction of the magnetic field lines surrounding the wire is given by the right-hand rule, with the direction being determined by the direction of the current flowing through the wire. The spacing of the magnetic field lines near a long straight wire carrying current decreases as the distance from the wire increases.

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Answer:

Heat is given off by Fire.

Explanation:

Answer: We prefer a convex mirror as a rear-view mirror in vehicles because it gives a wider field of view, which allows the driver to see most of the traffic behind him. Convex mirrors always form a virtual, erect, and diminished image of the objects placed in front of it.

Answer:

  R = 0.14  Ω

Explanation:

The resistance of a metal is given by the relation

         R = \(\rho \frac{L}{A}\)

where ρ the resistivity is 5.6 10-8 Ω m, they also give the length and the cross section (area)

Let's reduce the magnitudes to the SI system

        L = 200cm (1m / 100cm) = 2.00m

        A = 8.0 10⁻⁷ m²

let's calculate

       R = 5.6 10⁻⁸  \(\frac{2.00}{8.0 \ 10^{-7} }\)

       R = 1.4 10⁻¹ Ω

       R = 0.14  Ω

Answer:

no3. is is the first bubble answer, no4. is the middle answer

Explanation: