Which of the following processes generated heat during earths formation that is still a source of heat in earths interior

Given :

Mass of person, m = 81 kg.

Area of high heal, A = 3.5 cm² = 0.00035 m².

To Find :

The pressure applied by the heal on the ground.

Solution :

We know, pressure is given by :

\(P = \dfrac{mass}{Area}\\\\P = \dfrac{81}{0.00035} \ N/m^2\\\\P = 231428.57 \ N/m^2\)

Hence, this is the required solution.

The distance of the airplane from the radar will be 1.08×10⁶ m. Distance can refer to a physical length.

Distance is a numerical representation of the distance between two objects or locations.

The distance of the airplane from the radar is found by the formula;

Distance = velocity × time

Distance =  3.0 x 10^8 m/s× 0.0036 s,

Distance =  1.08×10⁶ m.

Hence, the distance of the airplane from the radar will be 1.08×10⁶ m.

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The element that expands its octet when bonding to a highly electronegative element is typically found in the third row or beyond of the periodic table.

When atoms form covalent bonds, they share electrons to fill their outermost energy level (valence shell). The valence shell can hold a maximum of eight electrons, which is known as the octet rule. However, there are some elements that can accommodate more than eight electrons in their valence shell by using their d-orbitals. This is called an expanded octet.

The element that expands its octet when bonding to a highly electronegative element is typically found in the third row or beyond of the periodic table.One common example of an element that expands its octet is sulfur (S). When sulfur forms covalent bonds with highly electronegative elements such as fluorine (F) or oxygen (O), it can use its d-orbitals to accommodate additional electrons beyond its normal valence shell of six electrons

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Answer:

\(3.16*10^1^1\) kg

Explanation:

According to Newton's Law of Universal Gravitation:

\(F=G\frac{m_1m_2}{r^2}\\F=0.0996381755N\\G=6.674*10^-^1^1\frac{Nm^2}{kg^2}\\m_2=42.90kg\\r=95.32m\)

Rewriting to solve for \(m_1\):

\(m_1=\frac{F(r)^2}{G(m_2)}\\m_1=\frac{(0.0996381755N)(95.32m)^2}{(6.674*10^-11\frac{Nm^2}{kg^2})(42.90kg)}\\m_1=3.16*10^1^1kg\)

I believe this is the answer based on the given values, but it is not a logical answer.  Is it possible one or more of the values in the question were entered incorrectly?

The cfm of air moving through an 8 in × 10 induct if the air velocity is 800 fpm is 444 CFM.

The CFM is the short form of Cubic Feet Per Minute and is a measurement used in calculating airflow. Given the data above about the airflow, we can obtain the required CFM in the following way;

cfm = Feet per minute * area

Area = 8 × 10 = 80 sq in

80 ÷ 144 = 0.56 sq ft

Feet per minute * area

= 800 × 0.56

= 444 CFM

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In an AC transformer circuit, the type of resistance is called "impedance."

Impedance is a complex measure of resistance in AC circuits, which takes into account not only the resistive component (due to resistance in wires and components), but also the reactive component due to inductance and capacitance.

Impedance is crucial in AC transformer circuits, as it affects the voltage and current relationship, and the power transfer efficiency.

Summary: The resistance in an AC transformer circuit is referred to as "impedance," which encompasses both resistive and reactive components and affects the performance of the circuit.

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Answer: B. 50/24

Explanation: just took the usatestprep

When a plane is flying straight and level, the lift force generated by the wings is equal and opposite to the weight force of the plane, resulting in a net vertical force of zero.

If the plane were to start flying diagonally down in a straight line, the vertical forces acting on the plane would change.

Since the angle of attack (the angle between the wing and the incoming airflow) would be decreasing as the plane descended, the lift force produced by the wings would also be decreasing.

The plane's weight force would also remain constant during this time.

As a result, the net vertical force would no longer be zero but rather would be directed downward, accelerating the plane.

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If the energy is conserved the kinetic energy will be equal to the potential energy and the height for that point with a speed 6 m/s will be 1.83 m.

According to the law of energy conservation, energy can neither be created nor be destroyed. Thus, total energy of a system will be conserved. However, one form of energy can be transformed to the other form.

For a stationary object the energy stored is potential energy and when it starts moving it gains a kinetic energy.

For a moving body if its energy is conserved, its potential energy is equal to the kinetic energy.

Hence, mgh = 1/2 m v²

therefore, h = 1/2g  v²

Given that velocity of the ball = 6 m/s

acceleration due to gravity g = 9.8 m/s².

Then, the height h = 1/2 6² /9.8 m/s² = 1.83 m

Therefore, the height of the ball at which all energy is conserved is 1.83 m.

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The rate of change of the distance between the two airliners at 3:00 pm is 720 mph.

We can use the Pythagorean theorem to determine the distance between the two airliners at any time t, and then differentiate the equation with respect to time to find how fast the distance is changing.

Let d be the distance between the two airliners, and let x and y be the distances traveled by the first and second airliners respectively, from their respective starting points. Then, we have:

d² = x² + y²

Differentiating both sides with respect to time, we get:

2d(dd/dt) = 2x(dx/dt) + 2y(dy/dt)

At 3:00 pm, the first airliner has traveled for 3 hours, covering a distance of 1590 miles (530 miles/hr * 3 hours) due east from the airport. Similarly, the second airliner has traveled for 2 hours, covering a distance of 1160 miles (580 miles/hr * 2 hours) due south from the airport.

Substituting these values, we get:

d² = (1590)² + (1160)²

d = √[(1590)² + (1160)²] = 1934 miles (approx.)

Differentiating with respect to time, we have:

2d(dd/dt) = 2(1590)(530) + 2(1160)(-580)

Simplifying, we get:

dd/dt = [-1590(530) + 1160(580)] / 1934

dd/dt = -48.5 mph (approx.)

Therefore, the distance between the two airliners is decreasing at a rate of approximately 48.5 mph at 3:00 pm.

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Answer:

B

Explanation:

if you drink lots of water while running your less likely to be hot and dehydrated. even if it's the same amount you run which tires your body and causes you to need more water.

It is hot and she is practicing more so she probably needs more water. The correct option is B.

When your body loses more fluid than you take in, you become dehydrated.

When your body's normal water content is reduced, it disrupts the balance of minerals (salts and sugar) in your body, affecting how it functions. Water accounts for more than two-thirds of the healthy human body.

As you lose fluid, your blood becomes more concentrated, requiring your cardiovascular system to work harder to pump blood efficiently. A high blood concentration causes your kidneys to retain more water, causing you to urinate less.

Dehydration occurs when you do not drink enough fluid or lose more fluid than you take in. The severity of dehydration is affected by a variety of factors, including climate, level of physical activity, and diet.

Thus, the correct option is B.

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The time required by the object throw from the mount Olympus mons to reach the surface of mars is 108.75 seconds.

The height of the mountain Olympus mons on the planet Mars is 22000m.

We threw an object horizontally from the mountain.

The time required by the object to reach the surface of the mars can be found as,

t = √(2H/g)

Where,

H is the height of the mountain and g is the acceleration due to gravity on mars which is 3.72m/s².

t is time of flight.

Putting values,

t = √(2x22000/3.72)

t = 108.75 seconds.

So, the time required by the object will be 108.75 seconds.

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technically usually the warmer object/substances particles move master which causes friction among the particles plus the kinetic energy being converted to thermal energy, so i would say the hand.

Experimental evidence that supports the new idea

38.5% C to 101.3 F is a conversion factor. The measurement method, your age, your activity, the time of day, and other factors will all affect how you take it.

On the Fahrenheit temperature scale, the freezing point of water is 32°, while the boiling point is 212°, which is separated by an identical 180°.

Generally speaking, the definition of room temperature is 70 degrees Fahrenheit. However, before a comfortable degree of satisfaction can be expected, some acclimatization is likely required.

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Answer:

In terms of both price and availability, the Birkin bag is as elusive as it is exclusive. For more than two decades, the bag has been the most sought item in the handbag industry. For such a modest bag, that's a lot of staying power (in looks alone, the design itself takes some 18 hours and is done by a single craftsman).

Of course, it's likely that the bag's rarity is what keeps it at the top of every want list. It is difficult, for example, to stroll into a Hermès store and buy a bag –– even if you could afford to pay the minimum price of $10,000. No, you have to be on an elite list to receive a Birkin.

Explanation:

There are alot more things like the Birkin Bag that use the same marketing skills and it works for alot of companies.

The magnetic field around the larger loop with a radius of 2r will not increase as it still encloses the same current I from the thin wire.

When considering an Amperian loop enclosing a thin wire carrying a current I, the magnetic field around the loop depends on the current enclosed by the loop, not the radius of the loop.

According to Ampere's Law, the magnetic field around a closed loop is proportional to the enclosed current. Since the current I in the wire is constant and the same current is enclosed by both the original loop (radius r) and the larger loop (radius 2r), the magnetic field around the larger loop will remain the same as the original loop.

Summary: The magnetic field around the larger loop with a radius of 2r will not increase as it still encloses the same current I from the thin wire.

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Answer:

I believe it wouled be Nutrients

Explanation:

hope this helps if not please let me know

It is important to note that the debate between scientific realism and antirealism is ongoing and complex, with various nuances and perspectives within each position. Different philosophers of science and scientists may hold different views on the nature of scientific terms and their relationship to reality.

According to a scientific realist perspective, scientific terms for unobservable phenomena such as "atom" and "black hole" are seen as referring to entities that truly exist in reality. Scientific realists believe that scientific theories and concepts accurately capture aspects of the world, including unobservable entities and phenomena. They argue that scientific theories provide the best explanation of the natural world and aim to describe the underlying structure and mechanisms of reality.

On the other hand, scientific antirealists hold a different view. They argue that scientific terms that refer to unobservable phenomena do not necessarily correspond to something that exists independently in reality. Antirealists often emphasize the instrumentalist view of science, which suggests that scientific theories are simply tools or frameworks that help us organize and predict observable phenomena, without making claims about the ultimate nature of reality.

Antirealists may argue that scientific theories are subject to revision and change over time as new evidence emerges, suggesting that the terms used to describe unobservable phenomena are not fixed and may not have a one-to-one correspondence with actual entities in reality. They may also highlight the role of social and cultural factors in shaping scientific knowledge, suggesting that scientific terms are influenced by human conventions and interpretations.

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True, solenoids convert electrical energy directly into linear mechanical motion by using a coil of wire and a movable plunger.

A solenoid is an electromechanical device that consists of a coil of wire wrapped around a metallic core, usually a cylindrical plunger. When an electric current is applied to the coil, it creates a magnetic field that pulls the plunger inwards. This action produces linear mechanical motion, which can be used to operate various devices such as valves, switches, or relays.

The strength of the magnetic field and the resulting motion depend on the number of turns in the coil, the current flowing through the wire, and the properties of the core material. When the current is removed, the magnetic field collapses, and the plunger returns to its original position, either by a spring or the absence of the magnetic force.

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The 2nd note will have a higher frequency or pitch.

Explanation:

The frequency of a standing wave in a string is given by

\(f = \frac{ \sqrt{ \frac{t}{ (\frac{m}{l} )} } }{2l} \)

where t = tension of the string

m/l = mass density of the string

l = length of the string

By placing your finger on the string, you increase the tension and at the same time, shorten the length of the string, thereby increasing the frequency of the sound due to the standing wave produced on the string.

The coefficient of friction is \(\( \frac{v_{0}}{g T} \).\)

To prove that the coefficient of friction is \(\( \nu_{0} / g T \)\), let's break down the problem step by step.

1. The initial velocity of the object is \(\( v_{0} \)\).
2. The object comes to rest, which means its final velocity is 0.
3. The time it takes for the object to come to rest is \(\( T \)\).

Now, let's use the equation of motion to solve for the coefficient of friction.

The equation of motion for an object sliding on an icy surface is:

\(\( v = v_{0} + \mu g t \)\)

where \(\( v \)\) is the final velocity, \(\( \mu \)\) is the coefficient of friction, \(\( g \)\) is the acceleration due to gravity, and \(\( t \)\) is the time.

In this case, we know that \(\( v = 0 \) and \( t = T \),\) so the equation becomes:

\(\( 0 = v_{0} + \mu g T \)\)

Rearranging the equation, we get:

\(\( \mu = \frac{-v_{0}}{g T} \)\)

Since the coefficient of friction cannot be negative, we can write the equation as:

\(\( \mu = \frac{v_{0}}{g T} \)\)

Therefore, the coefficient of friction is \(\( \frac{v_{0}}{g T} \).\)

This proves that the coefficient of friction is \(\( \frac{v_{0}}{g T} \)\).

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The wide wood pores that link to the tree's roots allow sap to be drawn up into the maple tree when it starts to freeze. The tree is really replenishing itself with fluids at this time from its roots.

As long as the temperature is below freezing and the sap is increasing, the process continues.

Water is drawn up from the roots to the top of the plant according to the cohesion-tension hypothesis of sap ascent. Water and minerals travel upward from the roots through the xylem due to a negative water potential gradient created by the evaporation of mesophyll cells in the leaves.

The water potential gets increasingly negative as you climb the tree, and these variations provide a pull or tension that causes the water to ascend the tree. The loss of water from the leaves through a process called transpiration is a crucial element in the draw of water up the tree.

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Answer:

Hiệu điện thế U=10 V được đặc vào giữ hai đầu một điện trở có giá trị R=25 Q cường độ dòng điện trở bằng bao nhiêu

Explanation:

The acceleration of the scooter is 2.5 m/s

Answer:

D

Explanation:

It can be moved 0.01 toward the negative plate

Answer:

rotation

Explanation:

Im pretty sure. Please heart and mark brainliest

Answer:

cycle

Explanation:

either rotation or cycle. I would think.

0.5Ω

Since different currents are passing through the resistors, then the resistors are most probably connected in parallel. This also means that the same voltage will pass across them.

Using Ohm's law, the voltage across a resistor in a circuit is given by;

V = I(R + r)            -----------(i)

For the 1ohm resistor, the voltage across it is given by;

Where;

I = current passing through the 1 ohm resistor = 0.6A

R = resistance of the 1 ohm resistor = 1Ω

r = internal resistance of the cell = r

Substitute these values into equation (i) as follows;

V = 0.6(1 + r)                 -------------------(ii)

For the 4.0ohm resistor, the voltage across it is given by;

Where;

I = current passing through the 4.0 ohms resistor = 0.2A

R = resistance of the 4.0 ohms resistor = 4.0Ω

r = internal resistance of the cell = r

Substitute these values into equation (i) as follows;

V = 0.2(4.0 + r)                 -------------------(iii)

Now solve equations (ii) and (iii) simultaneously;

V = 0.6(1 + r)

V = 0.2(4.0 + r)

Substitute the value of V in equation (ii) into equation (iii). Therefore, we have;

0.6(1 + r) = 0.2(4.0 + r)

Solve for r

0.6 + 0.6r = 0.8 + 0.2r

0.6r - 0.2r = 0.8 - 0.6

0.4r = 0.2

r = \(\frac{0.2}{0.4}\)

r = 0.5

Therefore, the internal resistance of the cell is 0.5Ω