Executive agreements differ from formal treaties in that they 1) have been ruled unconstitutional by the U.S. Supreme Court. 2) must be approved by the U.S. Supreme Court but not by Congress. 3) do not have to be approved by the Senate 4) do not have to be approved by the House. generally formulated at 5) meetings of the United Nations. are Question 12 (1 point) The President can influence the legislative process through 1) communicating with the American public 2) leading his/her political party. 3) reporting on the State of the Union. 4) all of the above.

Calculate the maximum height of the ball using the vertical motion model, which is h = -16t2 + vt + s, where v is the initial velocity in feet/second and s is the height in feet.

A ball is launched vertically and at a speed of 20 m/s from the top of a multistory structure. The ball is thrown from a location that is 025.0 meters above the ground in height.

Therefore, After then, the rocket's vertical acceleration (av) is determined by the equation (av = [T – W] / m). Since the aerodynamic forces are inversely proportional to the square of the velocity during lift-off, their magnitude is extremely modest.

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Answer:

B. A dish of water is placed in the freezer and turns solid

Explanation:

it is a physical change because it can return to its original state by physical means. the other options are chemical changes because things like color change, bubbles or fizzing, and odor change all indicate a chemical change and cannot return to the original state it was in before.

The types of light in order of increasing energy are Radio, Infrared, Orange, Green, Ultraviolet, and Gamma rays. Radio waves have the lowest energy, followed by infrared, orange, green, and ultraviolet.

The parts of the electromagnetic spectrum are referred to as gamma rays, X-rays, ultraviolet radiation, visible light, infrared radiation, and radio waves, from highest to lowest energy.

Violet light has the shortest wavelength of all visible light, giving it the most energy. The longest wavelength and lowest energy are found in radio waves.

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Virginia is officially called as Commonwealth of Virginia. It is a state in the Mid-Atlantic and South-eastern regions of the United States between the Atlantic Coast and the Appalachian Mountains.

Commonwealth countries just like other countries have independent Foreign policies, Defence policies, or political policies. They put themself in the commonwealth because in past they are the colony of any other country. But the country can leave the commonwealth group.

The statement that describes the paleontology of the states are :

a. variety of historical eras are represented by the rocks in Virginia.

b. A sea once engulfed Virginia.

c. The Allegheny Plateau includes coal deposits.

d. In the past, the state's weather was warm and muggy, resembling a tropical rainforest.

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Answer:

Elephant

Explanation:

has a larger mass which equates to greater momentum

On Indoor Vertical Farms the Future of Agriculture:

Indoor vertical farming is necessary for several reasons. Firstly, it allows for year-round crop production in a controlled environment, which can increase crop yields and reduce the impact of climate change on agriculture.

Secondly, it can be done in urban areas, reducing the need for transportation of food over long distances, and providing fresh produce to urban populations. Additionally, it could provide new job opportunities and help address food insecurity in areas with limited access to fresh produce.

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A 60 degree angle separates two polarizing sheets from one another. The overall factor by which the polarized beam's intensity is decreased after traversing both sheets is cos²(35°) * cos²(60°).

(a) When an unpolarized light beam passes through two polarizing sheets oriented at an angle of 60 degrees relative to each other, the intensity of the light is reduced by a factor.

The factor by which the intensity is reduced can be calculated using Malus's law, which states that the intensity of light transmitted through a polarizer is proportional to the square of the cosine of the angle between the polarization direction of the light and the transmission axis of the polarizer.

In this case, the first polarizing sheet transmits light with an intensity reduced by a factor of cos²(60°) = \(\left(\frac{1}{4}\right)\). The light transmitted by the first sheet becomes polarized with a single polarization direction.

When this polarized light passes through the second polarizing sheet, which is oriented at an angle of 60 degrees relative to the first sheet, the intensity is again reduced by a factor of cos²(60°) = \(\left(\frac{1}{4}\right)\).

Therefore, the total factor by which the intensity of an unpolarized light beam is reduced after passing through both sheets is \(\left(\frac{1}{4}\right) \cdot \left(\frac{1}{4}\right) = \frac{1}{16}\)

(b) For a polarized beam oriented at 35 degrees relative to each polarizing sheet, we need to calculate the factor by which the intensity is reduced after passing through both sheets.

The first polarizing sheet transmits light with an intensity reduced by a factor of cos²(35°). The transmitted light becomes polarized in the direction of the first sheet's transmission axis.

When this polarized light passes through the second polarizing sheet, which is oriented at an angle of 60 degrees relative to the first sheet, the intensity is further reduced by a factor of cos²(60°).

Therefore, the total factor by which the intensity of the polarized beam is reduced after passing through both sheets is cos²(35°) * cos²(60°).

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Answer:

In earlier washing machine, the electrical energy is converted in rotational kinetic energy. Now a days, in washing machine, the electrical energy is converted in kinetic energy then the mechanical energy is converted into heat energy. In modern machines, we can wash and dry the clothes.

The beyond-use-date for a solution would be 1/2020. The beyond-use-date for the solution containing water would be determined by the ingredient with the earliest expiration date, which is Ingredient B with an expiration date of 1/2020.

To determine the beyond-use-date for the solution, we need to identify the ingredient with the earliest expiration date. The beyond-use-date should not extend beyond the expiration date of any of the active ingredients.

Ingredient A: Expiration date 10/2025

Ingredient B: Expiration date 1/2020

Ingredient C: Expiration date 3/2021

Since Ingredient B has the earliest expiration date (1/2020), the beyond-use-date for the solution cannot exceed this date. Therefore, the beyond-use-date for the solution containing water would be 1/2020.

The beyond-use-date for the solution would be determined by the ingredient with the earliest expiration date, which in this case is Ingredient B with an expiration date of 1/2020. It is important to adhere to the expiration dates of the active ingredients to ensure the effectiveness and safety of the solution. Beyond-use-dates are crucial for maintaining the quality and stability of pharmaceutical preparations and should be followed to minimize the risk of degradation or loss of potency.

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The net force on the student and the box is zero, because the student and the box are both exerting the same amount of force on each other.

The net force on the student and the box is zero because the student and the box are both exerting the same amount of force on each other. This is because the student is pushing on the box with an equal force to the one the box is pushing back with. This is known as Newton's third law of motion - for every action there is an equal and opposite reaction. Therefore, the two forces are balanced and the net force on the student and the box is zero. This means that the student and the box will stay in the same position, as they are not being moved by any external force.

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If the communication lifetime of civilizations in our galaxy is 100 million years and our galaxy is 13 billion years old, The chance of us detecting another intelligent civilization now is 1 in 130.

The Milky Way is the galaxy that includes our Solar System, with the name describing the galaxy's appearance from Earth:

A hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the human eye.

The Milky Way is a large spiral galaxy. Earth is located in one of the spiral arms of the Milky Way (called the Orion Arm) which lies about two-thirds of the way out from the center of the Galaxy.

Our Milky Way galaxy is just one of the billions of galaxies in the universe.

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Answer:Speed is the time rate at which an object is moving along a path

Velocity is the rate and direction of an object's movement.

Explanation:

Hope it helps

Given:

Voltage = 120 V

Time = 60 seconds

Energy consumed = 50,000 J

Let's find the current.

To find the current, apply the formula:

Where:

P is the electric power

V is the voltage

I is the current.

To find the electric power, we have:

Now, to find the current, input values in the formula:

Therefore, the current is 6.9 amperes.

ANSWER:

6.9 Amperes

calcium (ca) is most likely to be shiny

Among all the options, the element which is most likely to be shiny is calcium. Hence, option C is correct.

A pure material made entirely of one species of atoms, or a chemical element, has a specific number of protons in its nucleus. Chemical elements, in contrast to compounds, can indeed be subdivided into less complex molecules through any chemical process.

The distinguishing characteristic of an element is the number of protons in the nucleus, which is known as its atomic number; all atoms with the same atomic number are the same element's atoms.

The majority of the universe's baryons mass is made up of chemical components (among rare exceptions are neutron stars). Atoms are reorganized into new compounds, bound together through chemical bonds during chemical reactions between various elements.

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The fly has an average velocity of

v[ave] = ∆x/∆t = (-5.80 m) / (4.22 s) ≈ -1.37 m/s

If its acceleration is constant, then its average velocity is also equal to the average of its initial and final velocities,

v[ave] = (v[initial] + v[final]) / 2

which tells us that

v[initial] ≈ -1.37 m/s - 1/2 v[final]

The fly's final velocity after some time t is given by

v[final] = v[initial] + (-1.33 m/s²) t

so that after 4.22 s, we have

v[final] ≈ v[initial] - 5.61 m/s

Substitute this into the equation for v[initial] :

v[initial] ≈ -1.37 m/s - 1/2 (v[initial] - 5.61 m/s)

Solve for v[initial] :

3/2 v[initial] ≈ -1.37 m/s + 1/2 (5.61 m/s)

⇒   v[initial] ≈ 0.955 m/s

Answer:

C.  Current.

Explanation:

In a series circuit the current is equal in all of its components, so to measure the current we put the meter in series with the circuit.

Answer:

1) C (I think)

2) C

3) D

Explanation:

I know that 2 and 3 are correct. just not sure about 1

Answer:

K.E =1÷2M×V^2

= 1÷2×0.05×(400)^2

= 4000

Explanation:

The plane travels a distance of 325 miles if the airplane travels for 2.5 hours at an average speed of 130 miles per hour. Using the distance formula (d = rt), we can calculate the distance.

To find the distance traveled by the airplane, we can use the distance formula, which is represented as d = rt. In this formula, "d" represents the distance, "r" represents the rate or speed at which the object is traveling, and "t" represents the time taken for the travel.

Given that the airplane travels for 2.5 hours at an average rate of 130 miles per hour, we can substitute these values into the formula. The rate of the airplane is 130 miles per hour, and the time taken is 2.5 hours.

Using the formula, we can calculate the distance traveled as follows:

d = rt

d = 130 mph × 2.5 hours

Multiplying the rate (130 mph) by the time (2.5 hours) gives us:

d = 325 miles

Therefore, the airplane travels a distance of 325 miles during the 2.5 hours of travel at an average rate of 130 miles per hour.

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The energy of one photon of the blue light of wavelength 433.9 nm is 4.58×10⁻¹⁹ J or 2.857 eV.

The relation between energy and wavelength can be derived from Plank's equation.

 E = hυ

      h is plank's constant and υ is the frequency.

Frequency and wavelength is related as

   c = υλ,

c is the velocity of light in vacuum

υ is the frequency and λ is the wavelength

From that,  υ = c/λ

Substituting in the equation of energy,

    E = hυ = hc/λ

       h= 6.626 ×10⁻²⁶

        c = 3× 10⁸

        λ = 433.9 nm = 4.339 ×10⁻⁷ m

Substituting the values,

     E = ( 6.626 ×10⁻²⁶ × 3× 10⁸) / 4.339 × 10⁻⁷

         = 4.58 × 10⁻¹⁹ J = 2.857 eV.

So the energy of one photon is  4.58 × 10⁻¹⁹ J or 2.857 eV.

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The given activity, "like water skiing on a surfboard," can be best described as wakesurfing . Wakesurfing is a water sport where the rider surfs on the wake created by a motorboat.

Wakesurfing is a water sport where the rider surfs on the wake created by a motorboat. The rider uses a surfboard-like apparatus and is towed by the boat until they gain enough speed to release the tow rope. Once the rider is free from the tow rope, they can navigate and ride the boat's wake, similar to surfing ocean waves.

Compared to the other options provided, wakesurfing aligns most closely with the description of "like water skiing on a surfboard." It involves using a surfboard-like object and being pulled by a boat, similar to water skiing. However, in wakesurfing, the rider releases the tow rope and continues riding solely on the boat's wake, like surfing.

Big-wave surfing typically involves riding extremely large ocean waves, which does not directly relate to the given description. Bodysurfing, on the other hand, involves riding ocean waves without the use of any equipment, using only the body to navigate and ride the waves.

While both big-wave surfing and bodysurfing are forms of wave riding, they do not involve the specific aspect of being towed by a boat, as mentioned in the given description.

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Answer:

The acceleration during the take-off from the moon is 4.3 m/s²

Explanation:

Given;

the mass of the fully-loaded module, m = 2000 kg

The thrust of its engines,  F =  8600 N

Apply Newton's second law of motion to determine the acceleration during the take-off from the moon;

F = ma

where;

a is the acceleration

a = F / m

a = 8600/2000

a = 4.3 m/s²

Therefore, the acceleration during the take-off from the moon is 4.3 m/s²

a)The aperture size of the radio telescope needs to be approximately 0.27 meters b)The aperture of a radio telescope needs to be much larger than that of an optical telescope because radio waves have much longer wavelengths compared to visible light. c)the resolving power of a telescope depends on the ratio of the wavelength of light.

a. To determine the aperture size of a radio telescope to achieve a resolution at 21 cm, we can use the Rayleigh criterion, which states that the minimum resolvable separation (δθ) is given by:

δθ = 1.22 * (λ / D)

Where λ is the wavelength of the radiation and D is the diameter of the telescope's aperture.

Given that the radio wavelength is 21 cm (or 0.21 m), and we want to achieve the same resolution as the optical telescope (1 second of arc), we can rearrange the formula to solve for D:

D = 1.22 * (λ / δθ)

D = 1.22 * (0.21 m / 1 second of arc)

Calculating the result:

D ≈ 0.27 m

Therefore, the aperture size of the radio telescope needs to be approximately 0.27 meters to achieve a resolution of 1 second of arc at a wavelength of 21 cm.

b. The Rayleigh criterion tells us that the resolution of an instrument is inversely proportional to the wavelength.

Since radio waves have longer wavelengths, the telescope's aperture needs to be larger to achieve the same resolution as an optical telescope. This is because a larger aperture collects more incoming waves and allows for finer spatial detail to be resolved.

c. The ability to resolve two objects using a telescope depends on the size of the aperture relative to the wavelength of the radiation. When it comes to resolving stars, the resolving power of a telescope depends on the ratio of the wavelength of light to the size of the telescope's aperture (λ/D).

Blue light has a shorter wavelength compared to red light. Since the resolving power is directly proportional to the wavelength, a shorter wavelength of blue light allows for better resolution.

Therefore, two predominantly blue stars can be resolved because their shorter wavelength allows for finer detail to be distinguished, while the same separation between two predominantly red stars cannot be resolved due to the longer wavelength.

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Answer:

Explanation:

4375J

The problem can be solved using Coulomb's Law, which states that the force between two charged particles is directly proportional to the product of their charges and inversely proportional to the square of the distance between them.

The mathematical expression for Coulomb's Law is:

F = k * (q1 * q2) / r^2

where F is the electrostatic force between the particles, k is the Coulomb constant (9 × 10^9 N·m^2/C^2), q1 and q2 are the charges on the particles, and r is the distance between them.

In this problem, we are given that two pith balls of mass 0.10 g are suspended from the same point by threads of length 30 cm. When the balls are given equal charges, they come to rest at a distance of 18 cm apart. We can assume that the threads are non-conducting and have negligible mass, so the balls can be treated as point charges.

We can start by finding the electrostatic force between the two balls when they are 18 cm apart. The distance between the balls is r = 0.18 m, and the mass of each ball is m = 0.10 g = 0.0001 kg. Since the balls are at rest, the electrostatic force must be balanced by the tension in the threads. Therefore, we have:

F = T = m * g = 0.0001 kg * 9.8 m/s^2 = 9.8 × 10^-4 N

where T is the tension in each thread, and g is the acceleration due to gravity.

Now we can use Coulomb's Law to find the charge on each ball. Since the balls have the same charge, we can assume that q1 = q2 = q. Therefore, we have:

F = k * (q^2) / r^2

q = sqrt(F * r^2 / k)

q = sqrt(9.8 × 10^-4 N * (0.18 m)^2 / (9 × 10^9 N·m^2/C^2))

q = 2.88 × 10^-8 C

Therefore, the magnitude of the charge on each ball is 2.88 × 10^-8 C.

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Answer:

here

Explanation:

Law of inertia states that a body remains in a position of rest or motion along a straight line unless an external force is applied..

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I think its "a dropped penny sinks at the bottom of a pond". Because, non-contact force is a force that you don't touch, like gravity or weight, that falls but you didn't drop it on purpose nature did or gravity itself did.