The Appalachian mountain range in the Eastern United States was once much taller than the Rocky mountain range in the Western United States. Currently, however, the Appalachian mountain range is much smaller than the Rocky mountain range
What do you think may have caused this change in height?

Answer:

We can use the formula for the transformer voltage ratio, which states that the ratio of the number of turns in the primary coil to the number of turns in the secondary coil is equal to the ratio of the output voltage to the input voltage:

Np/Ns = Vp/Vs

where Np is the number of turns in the primary coil, Ns is the number of turns in the secondary coil, Vp is the input voltage, and Vs is the output voltage.

We know that Vp = 220 V and Vs = 140 V, and we are trying to find Ns. We also know that Np = 30, since that is the number of turns in the primary coil. Substituting these values into the formula, we get:

30/Ns = 220/140

Simplifying the right side of the equation, we get:

30/Ns = 11/7

Cross-multiplying, we get:

11Ns = 210

Dividing both sides by 11, we get:

Ns = 19

Therefore, the answer is b.) 19.

We automatically process space time frequency by how events occur and how they interact with each other.

Space refers to the amount of physical space between objects or events. Time is the measurement of the duration of events or processes. Frequency is a measure of how often a particular event or process occurs. By understanding these three components, we can accurately process the space, time, and frequency of events.

We automatically process space, time, and frequency through our brain's ability to quickly analyze and interpret sensory information. Our perception of space, or the distance between objects, is determined by our brain's ability to analyze visual cues such as size, depth, and perspective.

Our perception of time, or the duration of events, is determined by our brain's ability to track the passage of time through internal and external cues. Our perception of frequency, or the rate at which events occur, is determined by our brain's ability to analyze the number of occurrences of an event within a given period of time. All of these processes occur automatically and unconsciously, allowing us to quickly and accurately perceive our environment.

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Answer:

its D

Explanation:

i just got it correct on a. p. e. x. :)

Answer:

0.3 s -0.4 m -0.57 m

0.5 s -1.2 m -1.27 m

0.7 s -2.3 m -2.4 m

Explanation:

Answer:

Time  y position (predicted)  y position (measured)

0.3 s -0.4 m                        -0.57 m

0.5 s -1.2 m                        -1.27 m

0.7 s -2.3 m                        -2.4 m

The predicted and measured positions are very close, but the measured positions are all a bit higher. Rounded to one decimal place, the last two measured values are 0.1 meters greater than the predicted values.

My hypothesis is that since the video captures frames only every 0.1 seconds, it’s possible that the frame showing t=0.0 is actually a bit before or after the actual time the ball is released. Any significant difference in identifying the actual zero point would affect agreement between the calculations and the observations.

Explanation:

Plato/Edmentum answer

The temperature of the rod at 25 mm from the casting is 56.4°C, at 50 mm from the casting is 95.3°C, and at 100 mm from the casting is 163.6°C.

The formula for determining the temperature of a metal rod that extends horizontally from a casting is as follows:  T = (T[infinity] - T[C]) × e^{-hx/k} + T[C], where: T[infinity] = the temperature of the air environment h = heat transfer coefficient. T [C] = the temperature of the casting, T = the temperature at any given point in the rod x = distance from the casting, k = thermal conductivity of the metal (brass)At x = 0, the temperature of the rod is 200°C (same as the casting). We can now use the above formula to find the temperatures of the rod at 25, 50, and 100 mm from the casting. Temperature at 25 mm from the casting: x = 0.025 m, k = 109 W/mK.

T = (20 - 200) × e^{-(30/109) × 0.025/0.005} + 200≈ 56.4°C

Temperature at 50 mm from the casting: x = 0.050 m, k = 109 W/mK.

T = (20 - 200) × e^{-(30/109) × 0.050/0.005} + 200≈ 95.3°C

Temperature at 100 mm from the casting:x = 0.1 m, k = 109 W/mK.T = (20 - 200) × e^{-(30/109) × 0.1/0.005} + 200≈ 163.6°C

Answer: Therefore, the temperature of the rod at 25 mm from the casting is 56.4°C, at 50 mm from the casting is 95.3°C, and at 100 mm from the casting is 163.6°C.

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Answer:

1.) Check the explanation for the answer

2.) 10 MJ

Explanation:

Given that a coal power plant station generates electricity at night when it is not needed. Some of this energy is stored by pumping water up to a mountain lake. When there is high demand for electricity, the water is allowed to flow back through a turbine to generate electricity.1- Write down the forms of initial and final energy transfer.

Solution.

The initial conversion will be :

Chemical energy is converted to mechanical energy.

The final conversion will be :

Mechanical energy is converted to electrical energy. While the electrical energy is converted to light energy.

2- On one occasion, 2000 kg of water is pumped up through a vertical height of 500 m. Calculate the gravitational potential energy. (g= 10 m/s^2)

The gravitational potential energy can be calculated by using the formula

Energy = mgh.

Where

M = mass

H = height

g = acceleration due to gravity

Substitute all the parameters into the formula

Potential Energy = 2000 × 500 × 10

Potential energy = 10000000 Joule

Potential energy = 10 MJ

Charles "Pete" Conrad was the third man to walk on the moon and he was also a member of the Skylab 2 mission.

The Moon, the solar system's sole naturally occurring satellite and fifth-largest moon, orbits the Earth. Its size is roughly one-fourth that of Earth, and neither its atmosphere nor its magnetic field exist. The Moon is said to have contributed to the evolution of life on Earth and has a big influence on the tides here on Earth. Since the first person set foot on the Moon in 1969 as part of NASA's Apollo programme, it has been explored by both people and robots. The Moon is covered in a thin dust layer known as regolith, and its surface is dotted with craters, mountains, and valleys. Due to the Moon's absence of an atmosphere, its surface is constantly being bombarded by solar radiation, rendering it unsuitable for supporting life as we know it.

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Answer:

Baseball

Explanation:

Cricket is similar to baseball.

Hope this helps :3 And pls put me as brainliest TYSM if u do!

Answer:

its basketball

Explanation:

a) The electric current flowing through it is 5 amp.

b) The voltage will produce by an amount of 60 volt.

A stream of charged particles, such as electrons or ions, travelling through an electrical conductor or a vacuum is known as an electric current. The net rate of electric charge flowing through a surface or into a control volume is how it is calculated.

a) When  a 24 ohm heating coil in a coffee maker plugged into a 120v outlet, electric current flowing trough it = 120 v/24 ohm = 5 amp.

b) When  e 6 amps through a circuit that has 10 ohms of resistance, voltage produced in it = 6 amp × 10 ohm = 60 volt.

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We would weigh 114 kg on Neptune if we weighed 100 kg on Earth. In comparison, we would experience much lower gravity on the Moon (16.5%) or Mars (37.6%).

Neptune is much larger than Earth. In fact, its mass is 17 times that of the Earth. Neptune's surface gravity is approximately 110% that of Earth's, so if you weigh 100 pounds on Earth, you would weigh 110 pounds on Neptune (assuming you could find someplace to, well, stand). M is subdivided into two parts, m1 and m2. The ratio of m1/M for which the gravitational attraction between the two parts becomes maximum at a given separation is. 1:1.

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Answer:

6 x 10^26 N

Explanation:

The correct sentence would be: "After finishing dinner, Kim cleared the table, and Mark washed the dishes."

The original sentence contains a misplaced modifier. To correct this, the sentence should be rewritten to indicate who performed each action.

This above version correctly indicates that Kim cleared the table and Mark washed the dishes. The original sentence suggests that the table cleared itself, which is a grammatical error. Additionally, the sentence should use past tense to indicate that the actions have already occurred.

By using "was cleared" and "washed," the original sentence is using a combination of past and present tense, which is also a grammatical error.

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In writing an essay you must consider the structure of the essay, Hence, the structure of the essay should be considered;

Generally, Individual factors, such as expertise, personal taste choice, emotions, hunger level, health status, special dietary requirements, ethnicity, and personal income, are some examples of these influences that make a contribution to an individual's food choices.

Other examples of these influences that contribute to a person's food choices include outside factors.

A person's religious beliefs may have a significant impact on the kinds of meals they purchase. For instance, individuals who follow the religion of Islam will not consume cattle or lamb that has not been killed using the halal procedure, but those who follow the religion of Jews will only consume items that have been certified as kosher.

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The net ATP yield for the given molecules is as follows:

The process of the formation of ATP involved three main reaction pathways, namely:

glycolysis- this is the reaction pathway in which sugar molecules are broken down to produce two molecules of pyruvate.

citric acid cycle - the pyruvate produced from glycolysis is first oxidized to acetyl-CoA which then enters the citric acid cycle to produce ATP and NADH and FADH₂

oxidative phosphorylation - this is the process where electrons are transferred to oxygen by NADH and FADH₂

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Complete question:

The ATP yield for a molecule depends on where it enters glycolysis or the citric acid cycle. The yield can be compared to the net yield of glucose, 30 ATP.

Determine the net ATP yield of each starting molecule when fully oxidized to CO2. Assume that glycolysis, the citric acid cycle, and oxidative phosphorylation are fully active.

net ATP yield from fructose 1,6‑bisphosphate: ______ ATP molecules

net ATP yield from galactose: ______ ATP molecules

net ATP yield from dihydroxyacetone phosphate: ______ ATP molecules

net ATP yield from pyruvate: ______ ATP molecules

net ATP yield from lactate: ______ ATP molecules

net ATP yield from phosphoenolpyruvate: ______ ATP molecules

The balanced equation for the reaction between ammonium sulfate (NH₄)₂SO₄ and barium hydroxide Ba(OH)₂, forming ammonium hydroxide NH₄OH and barium sulfate BaSO₄, is:

(NH₄)₂SO₄ + Ba(OH)₂ -> 2NH₄OH + BaSO₄

This equation forms barium hydroxide and ammonium sulphate. The balanced equation coefficients show the reactant-product stoichiometry.

The equation demonstrates that 1 mole of ammonium sulphate and 1 mole of barium hydroxide yield 2 moles of each. This balanced equation ensures mass conservation by having the same number of atoms of each element on both sides.

Balancing the equation clarifies the chemical reaction's reactants and products. It improves reaction stoichiometry and quantity calculations.

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The Yaesu FTM-300DR's optional wires-X connection cable kit is the SCU-39. The cables and adapters needed to use the wires-X digital communication mode and link the transceiver to a PC are included in this kit.

WIRES-X. An Internet communication system called WIRES (Wide-coverage Internet Repeater Enhancement System) increases the range of amateur radio communication. In WIRES-X, the wireless communication is connected to the Internet through the use of an amateur node station acting as an access point.

Requires a transceiver with the Yaesu C4FM Portable Digital Node capability (FT5D, FT3D, FT2D, FTM-400XD, FTM-300D, FTM-200D, FTM-100D: as of 8/2021 or Firmware update, FTM-400D: Requires Firmware update), a USB connection cable, and a computer with the WIRES-X software and WIRES-X.

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The activity of the source in Becquerel is 333.3Bq

The number of nuclei that disintegrate or decay per unit time is known as Activity.

Given that a sample of radioactive material emits 400000 particles over a period of 20 minutes.

Activity A = dN/dt

A = 400000 / 1200

A = 333.3 particles / s

A = 333.3 Bq

Therefore,

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Answer:

Hope the below helps!

Explanation:

Metal expands when hot, so the rails expand in the summer.

The gap is provided to allow for this expansion. If no gap is left, the expansion in summer will cause the rails to bend sideways. That will result in train accidents.

P.s - Good luck in the exam tomorrow :)

Answer:

1. Following the recoil principle, rockets use combustion (a controlled explosion) to work against earth's gravitational attraction.

2. A force is a push or a pull that acts upon an object as a results of its interaction with another object. ... These two forces are called action and reaction forces and are the subject of Newton's third law of motion. Formally stated, Newton's third law is: For every action, there is an equal and opposite reaction.

(via physicsclassroom.com)

3. The combustion throws out material with very high momentum and is, physically speaking, the action. In reaction to that that, the rocket moves away from it (upward when in starts and has the action underneath it)

4. To show the world that commercial manned space missions are safely possible. Some may also like the fact that the US can now do, or rather order, manned flights into space without the help of the russian space agency (Roskosmos).

5. Robert Behnken and Douglas Hurley

6. The international space station (ISS)

7. Yes, Stage 1 of the rocket landed on the drone ship. The crew opened the hatch to enter the space station after 21 hours and 39 minutes after the launch from Cape Canaveral.

8. To have private contractors such as SpaceX actively in the field, there are now more interest groups that participate in space travel. And they can interact with other companies as well.

Also, due to Musks dream and efforts of SpaceX, space travel seems to get a lot cheaper.

That might indeed open the way back to the moon and further to the Mars for human space flight.

Governments such as the US planned on such things for decades, but changed plans ever since, and routinely changed leadership and the opinion on what's important.

Now Spaceflights can become less politically motivated and more commercially. That seems to be a more stable way over long periods of time.

(wrote most of it for you myself, even tough I'm not a native English speaker. would really appreciate the brainliest if you appreciate the work)

Answer:

yhgfty

Explanation:

cdfgv

Answer:

it is defined as the study of living things and their environment

Answer:

Decreasing the angle to 10

Explanation:

Edge 2020

Answer:

The charges in motion constitute an electric current. However, not all moving charges constitute an electric current.

There are 4 potential models of how the expansion of the universe changes with time. The correct model description to fill in the blanks is as follows:

Since the beginning of the Big Bang, scientists believe the universe always expands. Every element of a galaxy slowly moves away from each other. There are 4 potential models for how the universe changes with time, which:

This question is incomplete. The complete query to this question is as follows:

Meanwhile, the blank sentences are as follows:

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The aforementioned circumstances can result in the production of 0.119 moles of ammonia (NH3).

We must utilize the ideal gas law and the stoichiometry of the balanced chemical equation for the reaction between hydrogen (H2) and nitrogen (N2) to make ammonia in order to determine how many moles of ammonia (NH3) were produced.

Let's begin by formulating the reaction's balanced equation:

3H₂ + N₂ → 2NH₃

We can see from the equation that we produce 2 moles of ammonia for every 3 moles of hydrogen. As a result, the molar ratio of ammonia to hydrogen is 2:3.

We must convert the supplied parameters of 4.0 liters of hydrogen at 50.0 °C and 1.2 atm of pressure into moles in order to use the ideal gas law. The ideal gas law and the molar volume of an ideal gas at standard temperature and pressure (STP) may be combined using the equation shown below:

PV = nRT

Where:

The temperature must first be converted from Celsius to Kelvin:

T(K) = T(°C) + 273.15

T(K) = 50.0°C + 273.15 = 323.15 K

To solve for the number of moles (n), we may now rearrange the ideal gas law equation as follows:

n = PV / RT

n = (1.2 atm) * (4.0 L) / (0.0821 L·atm/(mol·K) * 323.15 K) ≈ 0.179 mol

Since ammonia and hydrogen have a 2:3 molar ratio, we can calculate the amount of ammonia created by multiplying (2/3) * 0.179 mol by 0.119 mol.

As a result, the circumstances allow for the production of 0.119 moles of ammonia.

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The convex mirror causes the light rays to spread out, resulting in a reduced size of the image compared to the object.

A. In the case of a convex mirror, at least two rays can be drawn to demonstrate how it produces an image:

Ray 1: Draw a ray parallel to the principal axis that reflects off the mirror as if it came from the focal point (F). This ray appears to diverge from the mirror.

Ray 2: Draw a ray that passes through the center of curvature (C) of the mirror. This ray reflects back on itself.

B. The image formed by a convex mirror is:

i. Virtual: The image formed is virtual because the rays of light do not actually converge. They appear to diverge, so the image cannot be projected onto a screen.

ii. Upright: The image formed by a convex mirror is always upright. This can be observed by noting that the rays of light do not intersect but appear to diverge.

iii. Smaller: The image formed by a convex mirror is smaller than the original object. This is evident from the diverging rays and the fact that the image is located closer to the mirror than the object itself.

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When two astronauts, initially at rest and facing each other in space, push on each other, they will both move away from each other due to Newton's third law of motion and the conservation of momentum.

The given phenomenon can be explained using Newton's third law of motion and the conservation of momentum.

Apply Newton's third law of motion.
Newton's third law of motion states that for every action, there is an equal and opposite reaction. When the astronauts push on each other in space, the force applied by each astronaut on the other is equal in magnitude but opposite in direction.

Apply the conservation of momentum.
In this scenario, the total momentum of the astronauts before they push off each other is zero, as they are initially at rest. After they push off, the total momentum of the system must still be zero to conserve momentum.

Observe the resulting motion.
Due to the conservation of momentum, the astronauts will move away from each other with equal and opposite velocities. This means that their relative speeds and distances traveled will be the same but in opposite directions.

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Use the exponential decrease formula.

First, find the constant k. The final amplitude would be half, and t = 1.

Then, we find the time of its five-fold decrease, which means the final amplitude is a fifth part of the initial amplitude.

Therefore, the time of its five-fold decrease is 2.32 seconds.

The disadvantage of  easily changeable  digital data is: true information in the digital data can be changed to false information. Hence, option (D) is correct.

Digital data, in information theory and information systems, is information represented as a string of discrete symbols, each of which can take on one of only a finite number of values from some alphabet, such as letters or digits.

An example is a text document, which consists of a string of alphanumeric characters. The most common form of digital data in modern information systems is binary data.

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Answer:  The answer is  D.  

Explanation:   I took the test