a single conservative force Fx= (2x+7) N acts on a particle of mass 6 kg as the particle moves along the X-axis from X1 = 1 m to X 2 = 5m. calculate the work done by this force​

a) Cart is speeding up ; b) cart is slowing down and c) cart is not moving.

Force of friction is a contact force whereas friction is the force that resists motion when surface of one object comes in contact with surface of another. Example is the force of friction between two stones rubbed with each other.

Static friction magnitude is directly proportional to normal force magnitude and the roughness between sliding surfaces. The ratio of magnitude of frictional force divided by normal force magnitude is called as coefficient of friction. Friction takes place at the point of contact between two bodies.

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Explanation:

The vertical displacement of the wave is measured from the

equilibrium to the crest and is called the frequency.

crest to the trough and is called the amplitude.

trough to the trough and is called the wavelength.

equilibrium to the crest and is called the amplitude.

HØPÊ ĮŤ ÌŠ helpful

Answer:

The  maximum of the absolute value of the magnetic flux is \(\phi_{max} = 12.10 1 \ Weber\)

Explanation:

From the question we are told that

    The magnetic field is \(B = 7.35 \ T\)

   One  side of the triangle  is  \(d = 1.95 \ m\)

Generally the  absolute value of the magnetic flux is mathematically represented as

         \(\phi = B * A cos (\theta _1 )\)

At maximum  \(\theta_1 = 0\)

So

The maximum of the absolute value of the magnetic flux.

            \(\phi_{max} = B * A\)

Now we are told that the triangle is of equal sides so the angle each makes with the other is  \(\theta = 60 ^o\) this is because total angle in a triangle is 180

   Now the height of the triangular loop is mathematically evaluated using SOHCAHTOA  as

         \(sin \theta =\frac{h}{d}\)

=>    \(sin( 60)=\frac{h}{1.95}\)

=>    \(h = sin (60) * 1.95\)

=>    \(h = 1.6887 \ m\)

Hence the area is evaluated as

     \(A = \frac{1}{2} * d * h\)

substituting values

     \(A = 0.5 * 1.95 * 1.6887\)

     \(A = 1.6465 \ m^2\)

Thus  

       \(\phi_{max} = 7.35 * 1.6465\)

       \(\phi_{max} = 12.10 1 \ Weber\)

Answer:

98N

Explanation:

El peso se mide en kg y la fuerza no afecta

Answer:

Explanation:

Sure, I'd be happy to help you with the question!

Let's denote the input as x. According to the function machine, the input is multiplied by 6 and then 80 is subtracted from the result to obtain the output.

So, the function can be written as:

Output = (6 * x) - 80

Now, the problem states that the input is the same as the output. Therefore, we can set up the equation:

x = (6 * x) - 80

Let's solve this equation to find the value of x:

x = 6x - 80

Subtracting 6x from both sides, we get:

x - 6x = -80

Combining like terms, we have:

-5x = -80

Dividing both sides by -5, we find:

x = (-80) / (-5)

Simplifying the expression, we have:

x = 16

Therefore, the input (x) that results in the input being the same as the output is 16.

To work out these types of questions, it's important to carefully read the instructions and understand the operations being performed in the function machine. Then, you can set up an equation with the input and output, and solve for the unknown value. Always double-check your solution to ensure it satisfies the given conditions of the problem.

Answer:

16

Explanation:

(x*6) - 80 = x

Multiply the parentheses

6x - 80 = x
Add 80 to each side to get
6x = x + 80
Subtract x from both sides to get
5x = 80
Divide both sides by 5
x = 16

Answer:

the density of mobile electrons in the material is 3.4716 × 10²⁵ m⁻³

Explanation:

Given the data in the question;

we make use of the following expression;

hall Voltage VH = IB / ned

where I = 2.25 A

B = 0.685 T

d =  0.107 mm =  0.107 × 10⁻³ m

e = 1.602×10⁻¹⁹ C

VH = 2.59 mV = 2.59 × 10⁻³ volt

n is the electron density

so from the form; VH = IB / ned

VHned = IB

n = IB / VHed

so we substitute

n = (2.25 × 0.685) / ( 2.59 × 10⁻³ × 1.602×10⁻¹⁹ × 0.107 × 10⁻³ )

n = 1.54125 /  4.4396226 × 10⁻²⁶

n = 3.4716 × 10²⁵ m⁻³

Therefore, the density of mobile electrons in the material is 3.4716 × 10²⁵ m⁻³

Answer:

To signify the mean length of an object comprising 5.5 m in dimension, it is better to present it with 5 m can be easily rounded up to 5.5 m.

Answer:

A. The long, medium, and short straws all mixed together and placed

in the box

Answer:

Organ system because multiple organs make up an organ system and multiple organ systems make up an organism

Answer: A flower pot falling

Explanation:

The car on the curve (its direction is changing) and the falling flower pot (its speed is changing) are both undergoing acceleration.

The coefficient of friction between the two blocks is 0.194.

The problem involves finding the coefficient of friction between two blocks of equal mass attached by a string that moves over a sloped ramp with an angle of 30 degrees. The blocks start from rest and are allowed to move freely. The distance traveled by the blocks is 0.50 m, and the time taken to travel this distance is 0.935 s. To solve the problem, we need to consider the forces acting on the system of blocks. The forces acting on the blocks are the gravitational force, the tension in the string, and the frictional force. As the blocks are moving up the ramp, the force of gravity is pulling them down. The tension in the string is pulling the blocks up the ramp. The frictional force is opposing the motion of the blocks and is acting in the opposite direction to the tension in the string.

To determine the coefficient of friction, we can use the equations of motion to find the acceleration of the blocks. Once we have the acceleration, we can use Newton's Second Law to find the net force acting on the blocks. We can then use the force of friction to find the coefficient of friction. Using the equations of motion, we can find the acceleration of the blocks:

a = 2d/t^2

where d is the distance traveled by the blocks and t is the time taken to travel the distance. Plugging in the given values, we get:

a = 2(0.50 m)/(0.935 s)^2 = 1.15 m/s^2

Next, we can use Newton's Second Law to find the net force acting on the blocks:

ΣF = ma

where ΣF is the sum of the forces acting on the blocks. Plugging in the known forces, we get:

T - mg sin θ - μmg cos θ = ma

where T is the tension in the string, m is the mass of the blocks, g is the acceleration due to gravity, θ is the angle of the ramp, and μ is the coefficient of friction.

We can simplify this equation by substituting mg sin θ for the component of the weight of the blocks that is acting down the ramp and mg cos θ for the component of the weight that is acting perpendicular to the ramp:

T - mg sin θ - μmg cos θ = ma

T - mg(1/2) - μmg(√3/2) = ma

We can also use the equation for the tension in the string:

T = 2mg sin θ

Substituting this into the equation for net force, we get:

2mg sin θ - mg(1/2) - μmg(√3/2) = ma

Simplifying and solving for μ, we get:

μ = (2gsinθ - a)/(2gcosθ)

Substituting the given values, we get:

μ = (2(9.81 m/s^2)sin 30° - 1.15 m/s^2)/(2(9.81 m/s^2)cos 30°) = 0.194

Therefore, the coefficient of friction between the two blocks is 0.194.

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Answer:

There is much more friction on the rough surface than there is on the smooth surface.

Explanation:

To calculate the height a hiker must climb to "work off" the calories, we need to convert the food calories to joules and then use the gravitational potential energy formula.

Given:

Food calorie = 4186 J

Calories per bar = 130 food calories

Hiker's weight = 75.0 kg

First, let's calculate the energy content of one bar in joules:

Energy content of one bar = 130 food calories × 4186 J/food calorie

Next, we'll calculate the potential energy gained by the hiker when climbing the mountain. Since 100% of the food energy goes into increasing gravitational potential energy, we can equate the energy content of the bar to the potential energy gained:

Potential energy gained = Energy content of one bar = 130 food calories × 4186 J/food calorie

Now, we can calculate the height of the mountain using the formula for gravitational potential energy:

Potential energy gained = mgh

Where:

m = mass (75.0 kg)

g = acceleration due to gravity (approximately 9.8 m/s²)

h = height of the mountain (unknown)

Rearranging the formula, we get:

h = Potential energy gained / (mg)

Substituting the values:

h = (130 food calories × 4186 J/food calorie) / (75.0 kg × 9.8 m/s²)

Calculating the height:

h ≈ (130 × 4186) / (75.0 × 9.8) meters

Simplifying further:

h ≈ 11271880 / 7350 meters

Therefore, the hiker must climb approximately 1534 meters to "work off" the calories, assuming 100% of the food energy goes into increasing gravitational potential energy.

Now let's consider the case where only 24.0% of the food calories go into mechanical energy. In this case, we need to adjust the calculation:

Potential energy gained = (24.0% of the energy content of one bar)

h = (24.0% × 130 food calories × 4186 J/food calorie) / (75.0 kg × 9.8 m/s²)

Calculating the height:

h ≈ (0.24 × 130 × 4186) / (75.0 × 9.8) meters

Simplifying further:

h ≈ 149815.28 / 7350 meters

Therefore, when considering that only 24.0% of the food calories go into mechanical energy, the hiker would need to climb approximately 20.38 meters to "work off" the calories.

In the study of personality, the Five-factor model includes different traits that underlie one’s basic tendencies.

The Five-factor model is a scientific theory that states traits of the personality of an individual are due to its biology and therefore they respond to adaptations, which are central in the biology field.

In conclusion, in the study of personality, the Five-factor model includes different traits that underlie one’s basic tendencies.

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True, Food manufacturers create fats by adding hydrogen to fats.

Hydrogenation is used in the oil industry in making trans fats or margarine by increasing the melting point through reducing the carbon-to-carbon double bonds..

During hydrogenation, unsaturated fats undergo a chemical reaction in the presence of hydrogen gas and a catalyst, typically nickel.

The process involves the addition of hydrogen atoms to the carbon double bonds in the fatty acid molecules, resulting in the conversion of some of the double bonds into single bonds.

This reduces the number of unsaturated bonds in the fat, making it more saturated.

So we can conclude that the statement is true.

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After 0.100 s, the cat would be 0.049 m below its initial position, with a velocity of 0.98 m/s. After 0.200 s, the cat would be 0.196 m below its initial position, with a velocity of 1.96 m/s. Finally, after 0.300 s, the cat would be  0.441 m below its initial position, with a velocity of approximately 2.94 m/s.

To calculate the position and velocity of the sleeping cat after certain time intervals, we need to make some assumptions and use basic principles of physics.

Assuming the cat falls vertically downward due to gravity and ignoring air resistance, we can apply kinematic equations to solve the problem.

(a) Position:

Using the equation for the position of an object in free fall, h = (1/2)gt^2, where h is the height, g is the acceleration due to gravity (approximately 9.8 m/s^2), and t is time, we can determine the position of the cat.

After 0.100 s: h = (1/2)(9.8 m/s^2)(0.100 s)^2 = 0.049 m (approximately)

After 0.200 s: h = (1/2)(9.8 m/s^2)(0.200 s)^2 = 0.196 m (approximately)

After 0.300 s: h = (1/2)(9.8 m/s^2)(0.300 s)^2 = 0.441 m (approximately)

(b) Velocity:

The velocity of the cat can be calculated using the equation v = gt, where v is the velocity and t is time.

After 0.100 s: v = (9.8 m/s^2)(0.100 s) = 0.98 m/s (approximately)

After 0.200 s: v = (9.8 m/s^2)(0.200 s) = 1.96 m/s (approximately)

After 0.300 s: v = (9.8 m/s^2)(0.300 s) = 2.94 m/s (approximately)

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The section that shows the largest acceleration on the graph would be section B, as it has the steepest slope.

This indicates that the car is increasing in speed at a faster rate during this section compared to the other sections.

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complete question not found in search engine.

The models provide important tools for understanding the strong force interactions within a proton.

The strong force interactions between quarks and gluons within a proton are described by Quantum Chromodynamics (QCD), which is a fundamental theory of the strong nuclear force in particle physics. QCD is a non-Abelian gauge theory, meaning that the interactions between the quarks and gluons are highly nonlinear and non-perturbative.

One of the most promising theoretical models for describing the strong force interactions within a proton is lattice QCD, which is a numerical approach that uses a discrete grid to represent the space-time continuum. Lattice QCD allows for the calculation of QCD observables from first principles, without resorting to perturbative expansions. This method can handle non-perturbative effects such as confinement and chiral symmetry breaking by allowing for the simulation of the strong interactions on a discrete space-time grid

Another promising model is effective field theory, which provides a way to describe the low-energy behavior of QCD by constructing an effective Lagrangian that contains only the degrees of freedom relevant to a particular energy scale. This allows for the calculation of QCD observables in a systematic expansion in powers of a small parameter, such as the ratio of the quark mass to the QCD energy scale.

Chiral perturbation theory is another effective field theory that focuses on the dynamics of light quarks, which are the building blocks of pions, the lightest hadrons. Chiral perturbation theory provides a systematic expansion for the interactions between pions and nucleons, and can be used to calculate the properties of these particles at low energies.

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The proper triangle is used to represent the velocity vectors to obtain the relative velocity. Therefore, the given statament is True.

Answer:

Explanation:

If 2 magnets are attracting, then the north pole of one magnet is facing the south pole of the other.  The magnetic field lines between the two magnets are connected and the direction of flow is north to south.

Answer:

The ball has a velocity upwards but the acceleration is downwards. Gravity is giving the ball a downwards acceleration from the moment the ball leaves the hands.

The rumble feature on a video game controller is driven that turns electrical energy into mechanical energy. This device is best referred to as a motor.

An electric motor converts electrical energy into mechanical energy.

Thus, the option (D) is correct.

Answer:

The can was dropped from a height of 0.74 meters.

Explanation:

We can use the Conservation of Energy to evaluate the height.

The formula for the Conservation of Energy is

\(\frac{1}{2} mv^2=mgh\)

Lets solve for \(h\).

Cancel the common factor of \(m\).

\(\frac{1}{2} v^2=gh\)

Rewrite \(\frac{1}{2} v^2\) as \(\frac{v^2}{2}\) .

\(\frac{v^2}{2}=gh\)

Multiply both sides by 2.

\(v^2=2gh\)

Divide both sides by \(2g\).

\(\frac{v^2}{2g}=h\)

Numerical Evaluation

We are given

\(v=3.8\\g=9.81\)

Substituting our values into our equation for height gives us

\(h=\frac{3.8^2}{2*9.81}\)

Evaluate \(3.8^2\).

\(h=\frac{14.44}{2*9.81}\)

Multiply \(2\) and \(9.81\).

\(h=\frac{14.44}{19.62}\)

\(h=0.736235\)

Note: We also could have solved this using the kinematics equations. Both methods give you the same answer.

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Answer:

Answer:

Because shoes protect our feet from some of the most harmful platforms

Gravel has some small pebbles on it sometimes (or other sharp objects)

Gravel is pretty hard.

\(\huge\boxed{False}\)

Endothermic Reaction are those reactions in which the reactants absorb the energy from their surrounding and forms the product.

Those changes in which a substance goes from More-ordered state to less-oredered state are endothermic. Where they change from less ordered to more ordered is exothermic.

More ordered means that the movement of vibration of the particles of the substance is less and the are more close to each other. More to less ordered state is given as,

Solid>Liquid>Gas.

In the question it asks about the melting of the ice cube. Ice cube is a solid, and when it will melt, it will change into the liquid water. As we know that, Solid is more ordered and Liquid is less ordered, and The change from more-ordered to less-ordered is endothermic thus the answer is ENDOTHERMIC.

The potential energy is at the maximum when you reach the top of your jump on a trampoline. The correct answer is option B.

Potential Energy is the type of energy an object possesses by virtue of its position relative to others, stresses within itself, electric charge, and other factors. Potential energy exists in various forms, including gravitational potential energy, elastic potential energy, chemical potential energy, and electrical potential energy.

This type of energy can be converted into another type of energies. Examples, a charged battery has potential energy and it can be used as electrical potential energy. Petrol, diesel and and gas have chemical potential energy and be used as kinetic energy.

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Answer:

In a material, the magnetic behavior depends on the alignment of magnetic moments of the atoms. Magnetic moments are generated by the motion of the electrons in the atoms. When the magnetic moments of atoms in a material are aligned in a specific pattern, it creates a magnetic field which results in the material being magnetic.

In many materials, the magnetic behavior arises due to the alignment of magnetic domains, which are regions of atoms with magnetic moments aligned in the same direction. When many domains with aligned magnetic moments are present in a material, the material becomes magnetic.

The magnetic behavior of a material depends on the number of electrons and the arrangement of those electrons in the atoms. In particular, for an atom to have a magnetic moment, it must have unpaired electrons, meaning electrons that are not paired with another electron with the opposite spin. When these unpaired electrons in the atoms are aligned, they generate a magnetic moment. If all electrons are paired, there will not be a net magnetic moment, so the material will not be magnetic.

So, in summary, the magnetic behavior of a material is determined by the alignment of magnetic moments of atoms. When the magnetic moments of many atoms in a material align in the same direction, it creates a magnetic field, leading to a material being magnetic. This alignment is usually present in magnetic domains consisting of atoms with unpaired electrons.

Answer: read your book or get a tutor man

Explanation: