at what angle in degrees is the first-order maximum for 450-nm wavelength blue light falling on double slits separated by 0.0450 mm?

The lunar phases are caused by the relative positions of the Earth, Moon, and Sun. The Moon orbits the Earth once every 29.5 days, and as it does so, we see different portions of the illuminated side of the Moon. These different portions of the Moon are called phases. There are eight primary phases of the Moon: New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Third Quarter, and Waning Crescent.

An eclipse occurs when one celestial object moves into the shadow of another. There are two types of eclipses: solar and lunar. A solar eclipse occurs when the Moon passes between the Earth and the Sun, blocking the Sun's light and casting a shadow on the Earth. A lunar eclipse occurs when the Earth passes between the Sun and the Moon, casting a shadow on the Moon.

To explain these phenomena, teachers can use different methods such as diagrams, animations or models. For example, teachers can use a lamp to represent the Sun, a small ball to represent the Moon and a larger ball to represent the Earth. By moving the Moon around the Earth, the phases of the Moon can be demonstrated. To show eclipses, the Moon can be moved between the Earth and the Sun, or the Earth can be moved between the Sun and the Moon.

Using these methods can be an effective way of demonstrating the phases and eclipses to students. Teachers can also use animations and videos to help students visualize these events. It is important to note that these models and demonstrations are not perfect representations of the actual events, as they simplify the complex motions and distances involved in the interactions between celestial bodies.

Name of person taught: John

John said: "I learned a lot from the model that my teacher showed me. It was very helpful to see how the phases of the Moon and eclipses occur. The demonstration with the lamp and the balls really helped me understand the concepts. I also appreciated the videos that my teacher showed me, as they helped me see the events from different perspectives."

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Answer:FASTEST AND BEST ANSWER GETS BRAINLIEST AND THANKS!

Include a picture, video, or diagram of your model of lunar phases or eclipses.

Provide a description of how you made your model and how it demonstrates eclipses or lunar phases.

Include a one-paragraph reflection on the success of your model in explaining your event.

Include the name of the person you taught about your event and that person's description of what they learned from your model.

Explanation:

wawa wawa

Answer:

Hope it helps

The potential difference across the load is 16 V.

The current flowing through the load, I = 2 A

Resistance of the load, R = 8 Ω

According to Ohm's law, the current flowing through a circuit is directly proportional to the voltage applied across the circuit.

The voltage in the circuit can be defined as the potential difference between any two points on the circuit.

So,

V ∝ I

The potential difference across the circuit is the product of the current and resistance.

Therefore, the potential difference across the load,

V = IR

V = 2 x 8

V = 16 V

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Watts and kilowatts are used to measure electricity. In order to honor James Watt, the creator of the steam engine, electricity is measured in units of power called Watts. One ampere under the pressure of one volt is equal to one watt of electrical power.

Energy can be viewed as the ability to perform tasks. According to the rule of conservation of energy, energy cannot be created or destroyed. In this article, various types of energy are defined and discussed.

All fuel types employed in the modern world, whether for heating or the production of electrical energy, are considered energy resources. Generally speaking, there are three types of energy resources: fossil, renewable.

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Answer:

12 m/s

Explanation:

Given,

Kinetic energy ( K.E ) = 18000 J

Mass ( m ) = 250 kg

To find : Velocity ( v )

Formula : -

K.E = mv²/2

v² = 2 K.E / m

   = 2 x 18000 / 250

   = 2 x 72

   = 144

   = 12 x 12

v² = 12²

v = 12 m/s

Therefore,

the velocity of the car is 12 m/s

Explanation:

F=ma

500N=10×a

a=500÷10=50m/s²

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Answer:

50m^2

Explanation:

acceleration=f/m

Answer:

A small car could cost about $11.50 to $23 to fully charge while a bigger or long-distance vehicle could cost between $22.50 to $45.

Explanation:

The image is approximately 9.33 cm away from the mirror, on the object's side.

To determine the image location formed by a converging mirror, we can use the mirror equation:

1/f = 1/d_o + 1/d_i

where:

f is the focal length of the mirror,

d_o is the object distance (distance of the object from the mirror), and

d_i is the image distance (distance of the image from the mirror).

In this case, the focal length (f) is given as 7 cm, and the object distance (d_o) is 4 cm.

Plugging in the values into the mirror equation:

1/7 = 1/4 + 1/d_i

To find the image distance (d_i), we can solve for it:

1/d_i = 1/7 - 1/4

1/d_i = (4 - 7) / (4 * 7)

1/d_i = -3 / 28

Taking the reciprocal of both sides:

d_i = 28 / -3

d_i ≈ -9.33 cm

The negative sign indicates that the image formed by the converging mirror is virtual and located on the same side as the object.

Therefore, the image is approximately 9.33 cm away from the mirror, on the object's side.

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Thermo-Electrochemical converter (UTEC) is a thermodynamic cycle that does not account for the Carnot Efficiency.

What is the Carnot cycle in thermodynamics?

An ideal closed thermodynamic cycle that is reversible and consists of the four steps of isothermal expansion to a desired point, adiabatic expansion to a desired point, isothermal compression, and adiabatic compression back to the starting state.

What is the purpose of Carnot cycle?

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The name given to it is "terminal velocity".

In reality, it isn't a velocity, and it doesn't happen in free-fall.

Go figure.

The maximum transverse speed of the medium as a result of the wave's passage can be determined using the formula V = fλ where V is the velocity of the wave, f is the frequency of the wave, and λ is the wavelength of the wave.

Using the given amplitude A of 2.0 cm, the velocity V can be determined using the formula V = 2πfA.
Given: Tension of string = 5.0 NMass per unit length of the string = 25 g/m Amplitude of the wave = 2.0 cmWavelength of the wave = 30 cmTo find: Maximum transverse speed of the mediumThe wave velocity V can be calculated using the formula V = fλ. Now, frequency f can be found using the formula f = v/λ where v is the wave speed. In order to determine the wave speed v, the tension and mass per unit length of the string need to be used. The formula for the wave speed is v = √(T/μ) where T is the tension of the string and μ is the mass per unit length of the string.v = √(T/μ)= √(5/0.025) = 20 m/sNext, we can determine the frequency f by using the formula f = v/λf = v/λ = 20/(0.30) = 66.7 HzFinally, the maximum transverse speed of the medium as a result of the wave's passage can be determined using the formula V = 2πfAV = 2πfA = 2π(66.7)(0.02) = 8.37 m/s. Therefore, the maximum transverse speed of the medium as a result of the wave's passage is 8.37 m/s.

The maximum transverse speed of the medium as a result of the wave's passage is 8.37 m/s.

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The mass of the other star in the binary system is approximately 0.541 solar masses.

To find the mass of the other star in the binary system, we can use Kepler's Third Law of Planetary Motion, which can be applied to binary star systems. The law states that the square of the orbital period (\(T\)) is proportional to the cube of the semi-major axis (\(a\)) of the orbit. Mathematically, this can be expressed as\(\(T^2 = \frac{4\pi^2}{G(M_1 + M_2)}a^3\), where \(M_1\) and \(M_2\)\)  are the masses of the stars,\(\(G\)\) is the gravitational constant, and other variables have their usual meanings.

Given that one star has a mass of 1.00 solar masses, we can substitute the known values into the equation and solve for\(\(M_2\)\). Rearranging the equation, we have\(\(M_2 = \frac{4\pi^2}{G}(\frac{a^3}{T^2}) - M_1\)\).

Plugging in the values for\(\(a\) (1.34E+10 km) and \(T\) (400 years)\), and using the appropriate unit conversions, we can calculate the mass of the other star,\(\(M_2\\), to be approximately 0.541 solar masses.

Therefore, the mass of the other star in the binary system is approximately 0.541 solar masses.

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This question involves the concepts of average speed, distance, and time.

The average speed of the family is "2.5 mi/hr".

The average speed is defined as the ratio of the total distance covered with the total time taken to cover it.

\(v=\frac{s}{t}\)

where,

Therefore,

\(v=\frac{2.5\ mi}{1\ hr}\)

v = 2.5 mi/hr

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The statement that is true is that; nuclear fission is used to produce electric power in nuclear reactors.

We know that a fission reaction has to do with a kind of reaction in which a radioactive nucleus is bombarded by the use of a particle and then there is the disintegration of the atomic nucleus in order to produce energy.

This has been one of the ways by which we can be able to generate electricity in several power plants across the world. The loss in the mass of the reactants is the equivalent of the energy produced.

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Answer:

Explanation:

It is given that:

I = 442 kg˙m2

rx = 0.76 m, ry = 0.035 m, rz = 0.015 m,

Fx = 3.6 N, Fy = -2.8 N, Fz = 4.4 N

F = Fx i + Fy j + Fz               (equation 1)

r =  rx i + ry j + rz k               (equation 2)

(a) Torque

T = r * F               (equation 3)

by putting equation 1 and 2 into equation 3, we have;

Torque= r x F

           = (rx i +ry j +rz k) x (Fx i + Fy j +Fz k )

           = (ryFz - rzFy) i +(rzFx - rxFz) j+(rxFy - ryFx) k

Therefore,

Resulting torque =  (ryFz - rzFy) i +(rzFx - rxFz) j+(rxFy - ryFx) k

b) Magnitude of the torque

Resulting torque =  (ryFz - rzFy) i +(rzFx - rxFz) j+(rxFy - ryFx) k

=(0.025 x 2.2 - (0.035 x (-1.2))) i +(0.035 x (-7.8)) - 2.19 x 2.2) j+(2.19 x 1.2 - 0.025 - (-7.8)) k

= (0.055 - 0.042) i + (0.273 - 4.818) j + (-2.628 -0.195) k

= (0.013) i - (-4.545) j + (-2.433) k

Magnitude of resulting torque = √0.013² + 4.545² - 2.433²

                                                 =√14.751

                                                 = 3.84 Nm

c) Angular acceleration

Since

angular acceleration = torque/moment of inertia

                                  = 3.84/ 442

                                 = 0.0086877 rad/s²

Hence,

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Resulting torque =  (ryFz - rzFy) i +(rzFx - rxFz) j+(rxFy - ryFx) k, Magnitude of resulting torque  = 3.84 Nm, Angular acceleration = = 0.0086877 rad/s² rad/s²

Torque is a rotational force that causes a object to rotate. It is measured in units such as pound-feet (lb-ft) and Newton-meters (N-m). Torque is typically applied to a wheel, axle, or shaft to create rotational motion. Torque is also referred to as a moment or a couple. The magnitude of torque is determined by the length of the lever arm and the amount of force applied perpendicularly to the lever arm. Torque is a vector quantity, meaning it has both magnitude and direction. It is an important concept in mechanics, engineering, and physics.

It is given that:

I = 442 kg˙m2

rx = 0.76 m, ry = 0.035 m, rz = 0.015 m,

Fx = 3.6 N, Fy = -2.8 N, Fz = 4.4 N

F = Fx i + Fy j + Fz               (equation 1)

r =  rx i + ry j + rz k               (equation 2)

(a) Torque

T = r * F               (equation 3)

by putting equation 1 and 2 into equation 3, we have;

Torque= r x F

          = (rx i +ry j +rz k) x (Fx i + Fy j +Fz k )

          = (ryFz - rzFy) i +(rzFx - rxFz) j+(rxFy - ryFx) k

Therefore,

Resulting torque =  (ryFz - rzFy) i +(rzFx - rxFz) j+(rxFy - ryFx) k

b) Magnitude of the torque

Resulting torque =  (ryFz - rzFy) i +(rzFx - rxFz) j+(rxFy - ryFx) k

=(0.025 x 2.2 - (0.035 x (-1.2))) i +(0.035 x (-7.8)) - 2.19 x 2.2) j+(2.19 x 1.2 - 0.025 - (-7.8)) k

= (0.055 - 0.042) i + (0.273 - 4.818) j + (-2.628 -0.195) k

= (0.013) i - (-4.545) j + (-2.433) k

Magnitude of resulting torque = √0.013² + 4.545² - 2.433²

                                                =√14.751

                                                = 3.84 Nm

c) Angular acceleration

Since, angular acceleration = torque/moment of inertia

                                 = 3.84/ 442

                                = 0.0086877 rad/s²

Hence,

1. Resulting torque =  (ryFz - rzFy) i +(rzFx - rxFz) j+(rxFy - ryFx) k

2. Magnitude of resulting torque  = 3.84 Nm

3. Angular acceleration = = 0.0086877 rad/s² rad/s²

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Explanation:

To determine the angle at which the ball was thrown, we can use the equations of projectile motion.

Vertical component: v_y = v * sin(θ)

Horizontal component: v_x = v * cos(θ)

Δy = v_y * t + (1/2) * g * t^2

Since the ball reaches a maximum height, Δy = 3.0 m, and the acceleration due to gravity is approximately 9.8 m/s^2, we can rearrange the equation to solve for time (t):

3.0 = 0 * t + (1/2) * 9.8 * t^2

t ≈ √0.6122

t ≈ 0.7837 s

Now that we have the time taken to reach the maximum height, we can calculate the vertical component of the initial velocity:

v_y = v * sin(θ)

0 = 10 * sin(θ)

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The peak current in a 5.6 k resistor connected to a 120 v rms ac source   Is 0.03 Amp.

The peak current is the maximum amount of current which output is capable of sourcing for brief periods of time. When a power supply or an electrical device is first turned on, high initial current flows into the load, starting at zero and rising until it reaches a peak value, known as the peak current.

Vrms = 120v , R = 5600 ohm

Peak current = Ip

                      = peak voltage /resistance = Vp/R

Also Vp = Vrma × √2

=) Ip = Vrms ×√2 /R

       = 120√2/5600 = 0.0303 A

=) Ip = 0.03A

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A mountain 9.0 km from a person exerts a gravitational force on him equal to 2.20% of his weight. The mass of the mountain is 8,72,181.35 * \(10^{11}\).

Firstly, we know that gravitational force is 2.20% of weight. So,

Let the gravitational force = \(F_{g}\)

weight of the person = w

So, now we know that

\(F_{g}\) = 0.022 w

We know that weight = mass * g = mg, here m is the mass of person

\(F_{g}\) = 0.022 mg

Now, we also know that

\(F_{g}\) = (G m M)/r²,

where G is gravitational constraint = 6.6743 × 10-11 m³ kg-1 s-²

M = mass of the mountain

and r is the distance between person and mountain = 9km = 9000 m

So,

0.022 mg = (G m M)/r²

[0.022 * g * r²]/ G = M

[0.022 * 9.8 * (9000)²] /  6.6743 × \(10^{-11}\) = M

= [0.2156 * 27000000] /  6.6743 × \(10^{-11}\) = M

= 5821200 / 6.6743 × \(10^{-11}\) = M

= 8,72,181.35 * \(10^{11}\) = M

So, the mass of the mountain is 8,72,181.35 * \(10^{11}\).

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Answer:

there's gravity on earth so it's heavier

Mass of substance is the quantity of matter which is constant throughout the universe irrespective of the gravity of the planet, therefore the mass would be the same on earth as well as on the moon.

It can be defined as the force by which a body attracts another body towards its center as the result of the gravitational pull of one body and another,

The mass of any object is constant throughout and it is measured in kilograms while the weight of any object can vary depending on the value of gravity.

The quantity of stuff known as mass remains constant throughout the cosmos, independent of a planet's gravity, hence it follows that mass would be the same on Earth and the Moon.

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You almost certainly meant to say the particle's position is a function of time t, not some other variable x (or vice versa) so that

s(t) = 5t sin(2t)

Differentiate s(t) to get the instantaneous velocity of the particle at time t. By the product rule,

s'(t) = 5 sin(2t) + 10t cos(2t)

Evaluate the derivative at t = 0 :

s'(0) = 0

The instantaneous velocity at t = 0 is 0 m/s.

To find the instantaneous velocity at t = 0, we need to take the derivative of the position function s(t) with respect to time (t). The derivative of s(t) gives us the velocity function v(t), which represents the particle's velocity at any given time t.

Given the position function s(t) = 5t * sin(2t), we find the velocity function v(t) by taking the derivative:

v(t) = d/dt (5t * sin(2t)).

To find the velocity at t = 0, we substitute t = 0 into the velocity function:

v(0) = 5 * 0 * sin(2 * 0) = 0.

Therefore, the instantaneous velocity of the particle at t = 0 is 0 m/s. This means that at t = 0, the particle is momentarily at rest, and its velocity is neither increasing nor decreasing at that specific moment.

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Answer:

63º~64º

Explanation:

so imagine a graphic with a triangle. The distance between the zero and the horizontal (x) is 20 and the distance between 0 and vertical (y) is 60

20 = base

60 = height

hypotenuse = L

tg = cato/cata

tg = 60/20

tg = 2

I give up

Answer:

Explanation:

540

Answer:

need Read this excerpt from "Not a Dove, But No Longer a Hawk."

Despite these misgivings, I do not see how we can do anything but continue to prosecute the war. We can and should limit the violence and the suffering being inflicted on the civilians as much as possible, but for whatever reasons, successive Administrations in Washington have carried the commitment in Vietnam to the point where it would be very difficult to prevent any precipitate retreat from degenerating into a rout. If the United States were to disengage from Vietnam under adverse conditions, I believe that the resulting political and psychological shockwaves might undermine our entire position in Southeast Asia.

Which statement best describes the paradox in this excerpt?

The author acknowledges that civilians should not suffer, but states that the civilians must retreat.

The author suggests that the administrators in Washington are busy making policies while overlooking the need to end the war.

The author acknowledges that the violence should stop, but admits that a retreat might have dire consequences.

The author suggests that the Vietnamese people are counting on US support, though their political ideals are not democratic.

Explanation:

Lever arm length and force applied perpendicular to a lever arm are multiplied to create torque. A scalar quantity called torque has two possible directions: clockwise and counterclockwise.

A force applied perpendicular to a lever arm produces a torque, which is the result. The distance that runs perpendicularly from the pivot point, or the center of rotation, to the location where the force is delivered, is known as the lever arm or moment arm. A pivot point is always used to define a torque.

Each gearing stage of a torque multiplier amplifies the torque applied to the bolt. For instance, a torque multiplier with a 5:1 ratio will produce an output at the shaft that is five times the torque, but because no energy can be produced, the speed will only be one fifth of the original.

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Answer:

What can electrical energy be transformed into?

Electrical energy is transformed into many forms - mechanical/kinetic, sound, heat, light, and other forms of electromagnetic radiation - by everyday appliances.

Explanation:

Answer:

none of the other answers could be correct.

Explanation:

The sun nuclear energy transfers to radiant energy A fire Chemical energy transfers to thermal and radiant energy. wind turbine Kinetic motion energy transfers to electrical energy. Lightbulb Electrical energy transfers to radiant and thermal energy. Radio Electrical energy transfers to sound energy.

A. The original temperature in Kelvin is 313 K.  B. After reducing the thermal energy by 40%, the new temperature in Kelvin would be 188 K. C. The new temperature in Celsius is -85.15° C

In thermodynamics, temperature is typically measured in Kelvin, which is equivalent to degrees Celsius plus 273.15. So, to convert the given temperature of 40°C to Kelvin, we add 273.15 to obtain the value of 313 K.

When the thermal energy of a gas is reduced, its temperature decreases. The decrease in thermal energy is directly proportional to the decrease in temperature, provided the volume and pressure remain constant.

In this case, the thermal energy is reduced by 40%, which means the temperature should also decrease by 40%.

To calculate the new temperature in Kelvin, we simply multiply the original temperature in Kelvin by 0.6 (1 - 0.4). This gives us a new temperature of 188 K.

Finally, to convert the new temperature in Kelvin to Celsius, we subtract 273.15 from the value obtained in part B, which gives us -85.15°C. The negative sign indicates that the gas has been cooled below the freezing point of water.

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