A 20,000 kg jet plane is accelerating at 2 m/s2. How much force does it put forth?

Answer:

The answer is "36 grams".

Explanation:

In this question, the weight of the ball is not mentioned but is the weight of the cookies is declared, which is equal to 36 grams, and all the cookies are squeezes into the ball and after that, it calculates the overall weight so, let assume that ball weight is =0 and then the overall weight is:

\(=\text{weight of ball + cookies weight}\\\\=0+36 \ grams \\\\=36 \ grams\)

Answer:

The stovetop system is open because heat can be lost into the air. A closed system is one that cannot transfer energy to its surroundings.

If a wave having a wavelength of 4.0 meters and an amplitude of 2.5 meters travels a distance of 24 meters in 8.0 seconds, the frequency of the wave would be 0.75 Hz.

It can be understood in terms of the distance between any two similar successive points across any wave for example wavelength can be calculated by measuring the distance between any two successive crests.

As given in the problem a wave having a wavelength of 4.0 meters and an amplitude of 2.5 meters travels a distance of 24 meters in 8.0 seconds.

The number of waves in 24 meters = 24 / 4

                                                          = 6 waves

The number of waves that travels in 8 seconds = 6

The number of waves that travel in 1 second = 6 / 8

                                                                      = 0.75

Thus, the frequency of the wave would be 0.75 Hz.

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Answer:

i cannot see the the claim

Explanation:

Answer:

the size, length, or amount of something, as established by measuring.

Explanation:

A. The exogenous parameter A is the household's relative preference for consumption and leisure. B. The unitary time endowment is the total available time for the representative household. C. The derivatives with respect to c, and l are zeros.

D. 2A√l / √c = W/P. E. n = 1 - [(2/λ)²]. F. Lowering the tax rate on wages support the proposed policy. G. The dominant effect depends on the relative magnitude of the income and substitution effects.

(a) The exogenous parameter A in the household's preference function, u(c,l)=Ac¹/²+l¹/²), represents the household's relative preference for consumption and leisure. It captures the household's subjective valuation of consuming goods and services (c) compared to their enjoyment of leisure (l). A higher value of A implies that the household places a greater emphasis on consumption relative to leisure, indicating a stronger desire for material goods and services.

(b) The unitary time endowment, given by 1 = l + n, represents the total available time for the representative household. It combines the time spent on leisure (l) and the time spent on labor (n). The unitary time endowment indicates that the household has a fixed amount of time available, and they need to allocate it between leisure and work activities. It implies that an increase in leisure time must be accompanied by a decrease in labor time, as the total available time remains constant.

(c) To derive the first-order conditions for consumption (c) and leisure (l), we set up the Lagrangian:

L = Ac¹/² + l¹/² + λ(1 - l - n)

where λ is the Lagrange multiplier associated with the budget constraint.

Taking partial derivatives with respect to c, l, and λ, and setting them equal to zero, we get:

∂L/∂c = A(1/2)c⁻¹/² - λ = 0

∂L/∂l = (1/2)l⁻¹/² - λ = 0

∂L/∂λ = 1 - l - n = 0

(d) The consumption-leisure optimality condition can be derived by equating the marginal rate of substitution (MRS) between consumption and leisure to the wage rate (W) divided by the price level (P):

MRS = (∂u/∂c) / (∂u/∂l) = W/P

Using the partial derivatives from part (c), we have:

(A(1/2)c⁻¹/²) / ((1/2)l⁻¹/²) = W/P

Simplifying, we get:

2A√l / √c = W/P

(e) To solve for the consumption demand function and the labor supply function, we need to express one variable in terms of the other. Let's solve for the consumption demand function first.

From the first-order condition for consumption, we have:

A(1/2)c⁻¹/² = λ

Solving for c, we get:

c⁻¹/² = (λ/A)²

c = (A/λ)²

Now, let's solve for the labor supply function.

From the budget constraint, we have:

1 = l + n

Rearranging, we get:

n = 1 - l

Substituting this expression into the first-order condition for leisure, we have:

(1/2)l⁻¹/² - λ = 0

Solving for l, we get:

l = (2/λ)²

Finally, substituting the expression for l into the labor supply equation, we have:

n = 1 - [(2/λ)²]

(f) To determine whether the labor supply function supports lowering the tax rate on wages as an incentive for households to increase their labor supply, we need to analyze the effect of τ on the labor supply function derived in part (e).

By examining the labor supply function n = 1 - [(2/λ)²], we observe

that a decrease in the tax rate τ would lead to a decrease in the value of λ. Consequently, as λ decreases, the labor supply increases. Therefore, lowering the tax rate on wages would incentivize households to increase their supply of labor, supporting the proposed policy.

(g) The income and substitution effects on labor supply can be analyzed based on the change in the wage rate (W) resulting from the tax rate change (τ). In this case, a decrease in τ would increase the after-tax wage rate (W) received by households.

The dominant effect depends on the relative magnitude of the income and substitution effects. Since the labor supply function n = 1 - [(2/λ)²] is derived from a static model, it does not explicitly capture the substitution and income effects.

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Answer:

  a = 7.5 m / s²

Explanation:

For this exercise let's use Newton's second law, let's create a coordinate system with the x axis parallel to the plane and the y axis perpendicular to the plane

Y axis

       N - W cos θ = 0

       N = mg cos θ

X axis

       W sin θ = m a

       mg sin θ = m a

        a = g sin θ

let's calculate

        a = 9.8 cos 40

        a = 7.5 m / s²

The potential energy of the baby carriage at the top of the hill is 294.21 J.

The potential energy of an object is given by the formula:

Potential Energy = mass x gravity x height

where

mass = 1.5 kg (mass of carriage with baby)

gravity = 9.8 m/s^2 (acceleration due to gravity)

height = 21 m (height of the hill)

Substituting the values in the formula, we get:

Potential Energy = 1.5 kg x 9.8 m/s^2 x 21 m

= 294.21 Joules (J)

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Action and reaction forces comprise the parts of a. a single interaction.

For every action, there is an equal and opposite reaction. According to Newton's third law there is an equal (in size) and opposite (in direction) reaction force for every action force. That means that forces result from interactions.

The force exerted on an object is the action, and the force experienced by the object is the reaction.

Some forces result from contact interactions like frictional, tensional and other forces are results of actions at a distance interaction like gravitational, electrical, magnetic.

It is the physical magnitude that expresses the effort necessary to move the mass of one kilogram with an acceleration of one meter per second squared, this is expressed in units of the international system in Newton.

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The remaining area of the square is (768 - 4π) in².

The area of the square before any circles are removed is given by the formula A = s², where A is the area and s is the length of a side of the square. If we remove four circles, each with a radius of 2 inches, from the square, we are essentially removing a square that has sides equal to the diameter of the circles (which is 4 inches) from each corner of the original square.

The area of each circle is given by the formula A = πr², where A is the area and r is the radius. Substituting r = 2, we get A = 4π. The area of each square that is removed is given by the formula A = s², where s is the length of a side of the square. Since s = 4 inches (the diameter of the circle), we get A = 16 in².

Therefore, the total area of the four squares that are removed is 4 x 16 = 64 in², and the total area of the four circles that are removed is 4 x 4π = 16π in². The area of the remaining square is the original area minus the area of the four squares that were removed and the area of the four circles that were removed.

Substituting the values, we get:

A = s² - 64 - 16π

A = (4s²)/4 - 64 - 16π

A = 4(s²/4 - 16 - 4π)

A = 4((s² - 64) - 4π)

A = 4((16²) - 64) - 4π)

A = 4(256 - 64) - 4π

A = 4(192) - 4π

A = 768 - 4π

The complete question is

Four circles, each with a radius of 2 inches, are removed from a square. What is the remaining area of the square?

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i. Cassiopeia would be the group of bodies arranged in the shape of M (D), while the bright heavenly body that struck the Earth would be the meteorite (B).

ii. The two main differences between D (group of heavenly bodies arranged in the shape of M) and the Milky Way are:

iii. It is not possible to compare the size of A (body with photosphere at its center) and M (group of some heavenly bodies arranged in the shape of M) as they are not the same kind of object. A is likely a star, while M is a group of stars.

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Answer:

its false

Explanation:

since the penny is thrown straight up its not going to move forwad with you and the bus since it has no forces pushing on it. If the bus wasn't moving it would land back on your hand

Explanation:

formation of compounds because the electric forces compel the atoms to attract each other and formed bonds which leads to the formation of chemical compounds. The attractive or repulsive interaction between any two charged bodies is known as an electric force so the attraction between two opposite charged atoms causes the formation of compounds so we can conclude that electric forces are important for the formation of compounds.

Answer:

The speed is 15.5 m/s

The kinetic energy can be written as:K =

(1/2)*m*v^2

where m is the mass and v is the speed.

Then we have that:

18 j = (1/2)*0.15kg*v^2

Now we solve this for v.

✓(18*2/0.15) = v

15.5 m/s = v

Explanation:

I hope it will help you.....

Answer:

d

Explanation:

the atomic number and the mass number must not change. so you're just looking for the particle that makes the numbers on both sides the same

Answer:

D

Explanation:

Ap3x

Explanation:

Weight=force=300N

height=2m

time=6seconds

power=?

now,

power (p)=f×h÷t

power=300×2÷6

power=100w

therefore,A man develops 100 watt power in 6 seconds.

Answer:

20 N/m

Explanation:

From the question,

The ball-point pen obays hook's law.

From hook's law,

F = ke............................ Equation 1

Where F = Force, k = spring constant, e = compression.

Make k the subject of the equation

k = F/e........................ Equation 2

Given: F = 0.1 N, e = 0.005 m.

Substitute these values into equation 2

k = 0.1/0.005

k = 20 N/m.

Hence the spring constant of the tiny spring is 20 N/m

The assembly and disassembly of IFs are regulated by a variety of factors, including phosphorylation, subunit availability, pH, and ionic strength.

Intermediate filaments (IFs) are components of the cytoskeleton that control a variety of biological processes. IFs are typically less dynamic than microtubules and actin filaments, and they appear to be more stable. The assembly and disassembly of intermediate filaments are regulated by phosphorylation-dephosphorylation mechanisms.

The assembly and disassembly of intermediate filaments are controlled by a variety of factors. One of the primary determinants of IF dynamics is phosphorylation. Phosphorylation of specific residues on the IF proteins affects both the ability of the protein to form filaments and its stability once it has formed a filament.

In some cases, the presence of free subunits can promote filament formation, while in others, the formation of complexes between subunits can inhibit filament assembly. Changes in pH or ionic strength can also affect the assembly and disassembly of IFs.Intermediate filaments (IFs) are cytoskeletal structures that are typically more stable than microtubules or actin filaments.

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(a) The horizontal distance covered is 1940 m.

(b) The terminal velocity and angle at which the gun strikes the ground are 180.07 m/s and 63.4⁰ for the gun, respectively.

(c) The acceleration of the shell just before hitting the ground is 29.44 m/s².

A cannon's flight time or travel time is calculated as follows:

t = √(2h/g)

t = √(2 x 250 / 9.8)

t = 15.6 seconds

The horizontal distance movement  can be calculated from the flight speed and flight time,

horizontal distance(d) = vt

d = 125m/s x 15.6s

d = 1940 meters

The terminal velocity of the gun is calculated as:

vertical velocity (v fy ) = gt

v = 9.8 x 15.6s

v = 153.68 m/s

vf = √(Vx² + Vy²)

vf = √ (125² + 153.68²)

v f = 180.07 m/s

θ = arctan ( Vy / Vx )

θ = arctan (153.68 m/s / 125 m/s)

= 63.43°

The acceleration just before the shell hits the ground can be calculated from the terminal velocity and flight time.

a = (v f² - v i²) / (2t)

a = (180.07² - 0²) / (2 x 15.6s)

a = 29.44 m/s²  

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The term energy density tells us that the difference between the particle model and the energy interaction model lies in how the energy is distributed or spread out within a system.What is Energy Density?The amount of energy per unit volume that a substance or system contains is known as energy density.

Energy density is a measure of how much energy is stored in a given volume or mass of a substance or system. It is a vital physical property that affects how a system behaves and how much energy can be extracted from it.Particle Model Vs. Energy Interaction Model The particle model of matter refers to the view of matter as being composed of tiny, indivisible particles that are in constant motion and have kinetic energy. In this model, the behavior of matter is primarily determined by the interactions between these particles.The energy interaction model, on the other hand, views matter as being composed of different forms of energy that can be transferred or transformed from one form to another.

In this model, the behavior of matter is primarily determined by the interactions between different forms of energy.The primary difference between these two models lies in how they distribute or spread out energy within a system. In the particle model, energy is primarily distributed among the particles, while in the energy interaction model, energy is primarily distributed among the different forms of energy that are present in the system. This difference in energy distribution can have significant implications for how a system behaves and how much energy can be extracted from it.

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Answer:

v_f = 30 m/s

Explanation:

v_f = v_I + a*t

v_f = 0m/s + (9.81m/s²)*(3s)

v_f = 29.43m/s

v_f = 30 m/s

Since the object is being launched horizontally off the cliff the only vertical force acting on the ball is gravity which is an acceleration of 9.81m/s². So we have all the flowing information to use the the kinematic equation: v_f = v_I + a*t.

Answer: 54 kg*m/s

Explanation:

Answer:

A stretched spring : Elastic potential energy

Muscle of the athlete : Chemical energy

Explanation:

Elastic potential energy is the form of energy stored in an Elastic object(Can stretch and relax), when it is deformed from it's original shape.

The electron drift speed is approximately 2.57 μm/s.

To calculate the electron drift speed, we need to use the formula:

Drift speed (v) = Current (I) / (Charge of an electron (e) * Electron density (n) * Cross-sectional area (A))

First, we need to calculate the current (I) in the wire. The current can be found using the formula:

I = (Number of electrons * Charge of an electron) / Time

Where the charge of an electron (e) is 1.6 x 1\(0^{-19}\) C, and the number of electrons and time are given in the question.

I = (2.00 x 1\(0^{20}\) electrons * 1.6 x 1\(0^{-19}\) C) / 6.00 s
I ≈ 5.33 x 10 A

Next, we need to find the cross-sectional area (A) of the wire. We are given the diameter (4.60 mm), so we can calculate the radius (r) and area using the formula:

A = π * r²

First, convert the diameter to meters and find the radius:

Diameter = 4.60 mm = 4.60 x 1\(0^{-3}\) m
Radius (r) = 0.5 * Diameter = 2.30 x 1\(0^{-3}\) m

Now, calculate the area (A):

A ≈ 3.1416 * (2.30 x 1\(0^{-3}\) m)²
A ≈ 1.661 x 1\(0^{-5}\) m²

Finally, we can calculate the drift speed (v) using the formula mentioned earlier:

v = 5.33 x 10 A / (1.6 x 1\(0^{-19}\) C * 8.5 x 1\(0^{28}\) \(m^{-3}\) * 1.661 x 1\(0^{-5}\) m²)
v ≈ 2.57 x 1\(0^{-6}\) m/s

Since we want the drift speed in μm/s, we'll convert m/s to μm/s:

v = 2.57 x 1\(0^{-6}\) m/s * (1 x 1\(0^{6}\) μm/m)
v ≈ 2.57 μm/s

So, the electron drift speed is approximately 2.57 μm/s.

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The action-reaction pair of forces in this scenario is:The gravitational force exerted by the Earth on the book (weight of the book) and the gravitational force exerted by the book on the Earth.

According to Newton's third law of motion, for every action, there is an equal and opposite reaction. In this case, the book exerts a downward force on the Earth due to its weight, and in response, the Earth exerts an upward force on the book.

The weight of the book is 10 Newtons, and the Earth exerts an equal and opposite force of 10 Newtons on the book. This action-reaction pair of forces allows the book to stay at rest on the table, as the upward force from the table balances the downward force of gravity.

It's important to note that the weight of the book and the normal force from the table are not an action-reaction pair since they act on different objects (the book and the table, respectively). The action-reaction pair always involves two forces acting on two different objects.

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If a book’s weight exerts a force on a table and the table exerted a normal force, is it an action-reaction pair?

Answer:

A) Variety of Living Things

Explanation:

Biodiversity is defined as the variety of life in the world or in a particular habitat or ecosystem.

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Answer:

significa lo que resistes al hacer ejercicio cuánto duras haciendolo