1. Tim Lewis has an annual income of $38,750 and is paid monthly.
Using the federal income tax rate of 15%, what amount annually
should Timothy expect to pay in federal taxes? (show all work and
write

Answer:

Charged particles will experience a maximum force when traveling perpendicular to the magnetic field.

In accordance with this law, an electron or other charged particle traveling in a magnetic field will be deflected by the field at a right angle to both the field's direction and the direction of the particle. (As you apply that rule, keep in mind that the cathode ray electrons are moving in the opposite direction to that of regular current.)

A positive charge that is traversing a magnetic field perpendicularly at the top is deflected. The positive charge will be deflected in the direction that is predicted by the right-hand rule, the bottom. Positive charges will be deflected according to a related left-hand rule.

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The wavelength of a wave moving at 450m/s with a frequency of 464Hz is 0.97m.

We know that wavelength of a wave is calculated by

\(\lambda=\frac{v}{f}\)  ...(i)

where λ ⇒ wavelength

v ⇒ velocity of a wave

f ⇒ frequency

Now, as per the question:

Velocity of wave, v = 450 m/s

Frequency, f = 464 Hz

Putting the values in equation (i),

λ = 450/464

λ = 0.97 m

Therefore, wavelength of a wave moving at 450m/s with a frequency of 464Hz is 0.97m.

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Apply second equation of kinematics

Answer:

67.6m/s

Explanation:

Given parameters:

Initial velocity  = 8.2m/s

Acceleration  = 9.0m/s²

Time  = 6.6s

Unknown:

Final velocity  = ?

Solution:

To solve this problem, we use the expression below:

     Acceleration  = \(\frac{v - u }{t}\)

v is the final velocity

u is the initial velocity

 t is the time taken

    9  = \(\frac{v - 8.2}{6.6}\)  

    v - 8.2  = 59.4

    v  = 59.4 + 8.2 = 67.6m/s

Answer:

A microwave

Explanation:

Car

Lightbulb is a really good one

Same with the sun. That one has Chemical as well

Answer:

A stove

Explanation:it transfers heat

The graph which best represents a material behaving according to Ohm's law is graph C, which depicts a straight-line relationship between voltage and current.

According to Ohm's law, the voltage across a conductor is directly proportional to the current flowing through it when the temperature and other physical quantities remain constant. This relationship between the voltage and the current is linear. The graph C indicates a linear relationship between voltage and current. Hence, it represents Ohm's law.Graph A shows that the current increased exponentially with increasing voltage. This graph does not represent Ohm's law. Graph B indicates that the current is constant as the voltage increases, which is also not a representation of Ohm's law. Graph D depicts a non-linear relationship between voltage and current, which is not a representation of Ohm's law. Thus, graph C is the correct representation of a material that obeys Ohm's law. Hence, the answer is option (C).

Ohm's law relates to a linear relationship between voltage and current in an electric circuit. This means that when the temperature and other physical quantities remain constant, the voltage across a conductor is directly proportional to the current flowing through it. The resistance remains constant over a wide range of voltages and currents. The formula for Ohm's law is V = IR, where V is the voltage, I is the current, and R is the resistance. If a graph of current versus voltage for a material obeys Ohm's law, it will be a straight line.The graph A indicates that the current increases exponentially as the voltage increases. This graph represents a non-linear relationship between current and voltage. It does not obey Ohm's law. Graph B shows that the current is constant as the voltage increases. This graph represents a linear relationship between current and voltage, but it does not obey Ohm's law. Graph C depicts a straight-line relationship between current and voltage. This graph represents a material obeying Ohm's law.Graph D shows that the current increases nonlinearly with the increase in voltage. It represents a non-linear relationship between current and voltage. Therefore, it does not obey Ohm's law. A linear graph between current and voltage is the characteristic of a conductor that obeys Ohm's law. A conductor that does not obey Ohm's law has a nonlinear relationship between current and voltage.

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Answer:

 In places of hot climate, it is advised that the outer walls of house be painted white because white color does not absorb any heat radiation from the sun which keep inside cool even if there is hot climate outside the house.

The country that would have the highest rate of skin cancers is England

We know that the chlorofluro carbons are the kind of pollutants that can be able to affect the ozone layer and bore what we call the ozone hole. We know that this can be disastrous to the ozone layer as there would be a combination of the chlorine form these with the ozone and thereby destroy the ozone layer.

We can see from the colored map that the ozone destruction seem to be much more severe in England than in other places.

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Answer:

v_f = -7.5 m / s

Explanation:

Let's analyze this exercise a little, two forces that act on a body for different time intervals are indicated, each force creates an impulse and since this is a vector quantity we must add in the form of vectors. The net momentum is

we assume that the direction to the right is positive

             I = I₁ + I₂

             I = F₁ Δt₁ - F₂ Δt₂

             I = 3  1.5 - 4  3

             I = -7.5   N s

now let's use the relationship between momentum and momentum, suppose the object starts from rest (vo = 0)

             I = Δp

             I = m (v_f - v₀)

             v_f = I / m

              v_f = -7.5 / m

to finish the calculation we must assume a mass m = 1 kg

              v_f = -7.5 m / s

the negative sign in the body is moving to the left

The rhetorical device used by Sojourner Truth is rhetorical question.

Rhetorical device refers to the way an author uses to pass information to the listener, in order to persuade them to buy into his opinion.

For example, the phrase ain't I a woman, is repeated by the sojourner truth, in order to encourage the audience to think about the significance of the arguments that have been presented.

By asking this, Sojourner Truth encourages the audience to consider the treatment given to women, and in particular black women, and wonder whether it is fair.

The question is not meant to be answered, but instead it is meant to encourage the audience to reflect on a particular topic.

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The work done by the mountain climber can be calculated using the formula:

Work = Force x Distance x cos(theta)

where Force is the force applied, Distance is the distance moved, and theta is the angle between the force and the direction of movement.

In this case, the force applied by the climber is their weight, which is 700 N. The distance moved is the height of the cliff, which is 200 m. The angle between the force and the direction of movement is 0 degrees, since the force is applied in the same direction as the movement.

Using the formula, we get:

Work = 700 N x 200 m x cos(0)

Work = 140,000 J

Therefore, the work done by the mountain climber is 140,000 J. So the correct option is (D) 140,000 J.

Answer:

To calculate the work done by the mountain climber, we can use the formula:

work = force x distance x cos(theta)

where force is the force applied (in Newtons), distance is the distance moved (in meters), and theta is the angle between the force vector and the direction of motion.

In this case, the mountain climber exerts a force of 700 N and moves a distance of 200 m vertically upwards (against the force of gravity). The angle between the force vector and the direction of motion is 0 degrees, since the force is applied directly upward and the motion is also upward.

So, using the formula:

work = 700 N x 200 m x cos(0)

work = 140,000 J

Therefore, the work done by the mountain climber is 140,000 J.

Answer:

128J

Explanation:

K.E = MV² ÷ 2

K.E = 16 × 4² ÷ 2

K.E = 16 × 16 ÷ 2

K.E = 256 ÷ 2

K.E = 128J

:. it's kinetic energy is 128Joules(J)

Answer:

experiment

Explanation:

it goes observation

question

hypothesis

experiment  

\(▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪\)

The given statements are :

Q1) Distance formula is displacement/time T/F?

- False

Q2)velocity formula is = displacement/time T/F?

- True

Answer:

if it is moving or air is flowing over it yes

Explanation:

Answer:

you dream because

Explanation: you sleep

Answer:

Could you explain that more better?

Explanation:

Answer:

3

Explanation:

Answer:

An electrical potential is a difference in electric potential energy.

Explanation:

Electric potential is a location-dependent quantity that expresses the amount of potential energy per unit of charge at a specified location. ... If the electric potential difference between two locations is 3 volts, then one coulomb of charge will gain 3 joules of potential energy when moved between those two locations.

The electric potential, or voltage, is the difference in potential energy per unit charge between two locations in an electric field.

Answer:

The change on the Celsius scale is 27.22 °C.

Explanation:

The conversion of Fahrenheit to Celsius is the following:

\(T = \frac{5}{9}(^{\circ} F - 32)\)

So, we need to convert T₁ and T₂ from °F to °C:

\(T_{1} = \frac{5}{9}(^{\circ} F - 32) = \frac{5}{9}(- 4 - 32) = -20 ^{\circ} C\)

\(T_{2} = \frac{5}{9}(^{\circ} F - 32) = \frac{5}{9}(45 - 32) = 7.22 ^{\circ} C\)

Hence, the change on the Celsius scale is:

\( \Delta T = T_{2} - T_{1} = 7.22 - (-20) = 27.22 ^{\circ} C \)

Therefore, the change on the Celsius scale is 27.22 °C.

I hope it helps you!

Answer:

What is the meaning of the kinetic I think the answer is both the ball has both Kinetic and potential energy so I think is the answer is true

The relationship between the plasma frequency wp and the refractive index

nwp² = n² + k²

The plasma frequency wp for a material is defined as the frequency at which its refractive index becomes equal to 1. Hence, for silver, at w = wp: 0.006 = sqrt(1 - k²) and 3.524 = kwp = wp*sqrt(1 - 0.006²)wp = 1.39 * 10^16 rad/sNow, let's calculate the reflectance. We know that the reflectance R of a thin film of thickness t on a substrate with refractive index n is given by

R = ((n² + k²) - 1)/(n² + k² + 1)

In the case of silver, we can assume that the film is so thin that the reflectance will be equal to that of the bulk material, which we can find from the refractive index. Hence,R = ((0.006² + 3.524²) - 1)/(0.006² + 3.524² + 1) = 0.995So the reflectance is approximately 0.995.e) The diffraction pattern produced by a remote aperture can be described using the Fourier transform of the aperture function.

If we know the intensity distribution of the diffraction pattern, we can use the inverse Fourier transform to obtain the aperture function. However, this process is not always straightforward, especially if the diffraction pattern has noise or the aperture is not a simple shape.To reconstruct the aperture from the diffraction pattern, we can use techniques such as phase retrieval or iterative algorithms. These methods involve making assumptions about the aperture and iteratively refining the aperture function until it matches the observed diffraction pattern. The specific algorithm used will depend on the details of the experiment and the aperture function being reconstructed.

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Answer:

The center of gravity is the average location of the weight of an object

Explanation:

The resistance of the person is 9200 Ω if a fault in the switch is caused by a householder to receive a mild electric shock with the mean power transfer to the person as 5.75 W and potential difference across the person as 230 V.

The resistance of the person can be calculated using Ohm’s law.

Ohm’s law states that the potential difference across a conductor is directly proportional to the current flowing through it, provided that its temperature and other physical conditions remain constant.

It can be expressed as: V = IR,

where V is the potential difference, I is the current, and R is the resistance of the conductor.

Rearranging the equation, we get: R = V/ I.

Given that the mean power transfer to the person was 5.75 W and the potential difference across the person was 230 V, the current flowing through the person can be calculated using the formula:

P = IV

where P is the power ,V is the potential difference and I is the current flowing through the person

Rearranging the equation, we get: I = P/V

Substituting the given values, we get:

I = 5.75/230 = 0.025 A

Therefore, the resistance of the person can be calculated as:

R = V/I = 230/0.025 = 9200 Ω

Hence, the resistance of the person is 9200 Ω.

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Options:

a) An arrow of magnitude 852.6 N points perpendicular to the slope of the hill.

b)  An arrow of magnitude 6.50 N points down the slope of the hill.    

c)  An arrow of magnitude 78.5 N points down the slope of the hill.

d)  An arrow of magnitude 852.6 N points straight down.

Answer:

d)  An arrow of magnitude 852.6 N points straight down.

Explanation:

The total mass of the two riders, m = 87.0 kg

The free body diagrams of the situation described are drawn and contained in the files attached to this solution.

Note that the weight of the toboggan will act directly downwards.

Therefore, the weight of the toboggan, W = mg

W = 87 * 9.8

W = 852.6 N

Since the arrow representing the weight of the toboggan points straight down, the correct answer is that an arrow of magnitude 852.6 N points straight down.

When a capacitor's voltage decreases to ΔVC, the current decreases to zero.

A capacitor stores electrical charge and releases it when connected to a circuit. Initially, when a capacitor is fully charged, it holds a certain voltage across its plates. As the voltage across the capacitor decreases, the stored charge is gradually released. As a result, the current flowing through the capacitor decreases.

When the voltage across the capacitor drops to ΔVC, it means that the voltage difference between its plates has decreased by ΔVC. At this point, the capacitor has discharged completely, and no more charge is flowing through it, resulting in zero current.

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The given problem can be exemplified in the following diagram:

The weight of the bar is concentrated in its center of mass which is located in the middle of the longitude of the bar. We can add the total torques at the point where the pivot touches the bar and we get:

Here we have used momentum counter-clockwise as positive. Since the system is in equilibrium the sum of the torques must be equal to zero:

Now we solve the operations, we will use for the acceleration of gravity 9.8 meters per second squared:

Now we solve for the mass "M" first by subtracting 88.2Nm from both sides:

Now we divide both sides by -1.96:

Solving the operations we get:

Therefore, the mass of the bar is 45 kg.