You work at a retail store. Recently, paychecks have had errors and there have been many employee complaints. You have been assigned to head the team to redesign the payroll software program to solve this problem. Use the drop-down menu to organize the steps you will take in writing the problem statement. Write the new payroll software program. Clearly state the vision of how the stakeholders think things will function with the new payroll system. Ask for stakeholder input on the problem and possible solutions?1.C 2.B 3.A​

When Nate tosses a basketball, he lets it rebound once before letting it fall directly to the ground. Air resistance can be disregarded.

What does the word "resistance" mean?

An underground group of a captured or nearly won country engaged in sabotage and covert activities against occupying forces and collaborators. This psychological defense mechanism occurs when a patient rejects, dismisses, or otherwise resists the therapy efforts of a psychotherapist.

What is a circuit's electrical resistance?

The relationship between both the voltage applied and the flux through a circuit determines its electrical resistance. Ohms is the symbol for electrical resistance. Some materials permit the flow of electric charge more easily than others. The electrical resistance gauges how much the circuit restricts the movement of this electric charge.

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The correct answer of terrestial weather:

The solar insolation in the visible and infrared regions of the solar electromagnetic spectrum is much more than the energy that space weather occurrences release into the troposphere and stratosphere. Despite claims to the contrary, there may be some connection between the Earth's climate and the 11-year sunspot cycle. There is no proof of this. For instance, it has frequently been suggested that the Maunder minimum, a 70-year period almost devoid of sunspots, is correlated to a cooler climate, but these correlations have vanished after further research. Changes in cosmic ray flux are hypothesized to affect how much cloud formation occurs.

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Option a: Converge into low-pressure regions (cyclones) and diverge out of high-pressure regions (anticyclones)

This is because friction acts as a drag force on the moving air near the Earth's surface, and the surface slows down the movement of the air. This causes the air to pile up and converge into low-pressure regions.

Low-pressure regions are characterized by rising air, where the air is less dense compared to the surrounding areas. The convergence of air into these regions helps to replenish the rising air and maintain the low pressure.

On the other hand, air tends to diverge out of high-pressure regions. High-pressure regions are characterized by sinking air, where the air is denser compared to the surrounding areas. The sinking motion creates a pressure gradient that causes the air to spread out and move away from the high-pressure center.

Therefore, due to friction, the wind at the surface tends to converge into low-pressure regions (cyclones) and diverge out of high-pressure regions (anticyclones).

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Answer:gravity

Explanation:

gravity holds the planets in its orbit

Answer:

Newton's first law is called the law of inertia.

Explanation:

Answer:

first negative and then positve

force= mass × acceleration

The concave mirror is represented by a vertical line MMl. The principal axis is represented by a horizontal line drawn on the PC. 1 mm. 12 mm (focal length: 12 cm); I Image position.

Here, u = 25 cm for the object distance (To the left of the mirror)

Also, the focal length is f = 20 cm (It is a concave mirror)

What is the size of the image in a concave mirror?

The size of image formed by a concave mirror is same as the size of object.

Use the magnification of a mirror formula to obtain the size of the object. Accordingly depict its nature using the sign of the image height. Where v is the image distance u is the object distance and f is the focal length.

However, if we increase the distance between the object and the mirror then the size of the image reduces and a real and inverted image is formed. The image formed by the concave mirror can be small or large and can be real or virtual.

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The concave mirror is represented by a vertical line MMl. The principal axis is represented by a horizontal line drawn on the PC. 1 mm. 12 mm (focal length: 12 cm); I Image position.

Here, u = 25 cm for the object distance (To the left of the mirror)

Also, the focal length is f = 20 cm (It is a concave mirror)

What is the size of the image in a concave mirror?

The size of image formed by a concave mirror is same as the size of object.

Use the magnification of a mirror formula to obtain the size of the object. Accordingly depict its nature using the sign of the image height. Where v is the image distance u is the object distance and f is the focal length.

However, if we increase the distance between the object and the mirror then the size of the image reduces and a real and inverted image is formed. The image formed by the concave mirror can be small or large and can be real or virtual.

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To solve the given problems, we can use the formulas related to the speed, frequency, wavelength, index of refraction, and dielectric constant of electromagnetic waves.

a) To find the wavelength of the wave in the glass, we can use the formula:

wavelength = speed of light / frequency

Given:

Frequency (f) = 5.50 × 10^14 Hz

Speed of light (c) in the glass = 2.13 × 10^8 m/s

Plugging in the values:

wavelength = (2.13 × 10^8 m/s) / (5.50 × 10^14 Hz)

Calculating the wavelength:

wavelength = 3.87 × 10^-7 meters (or 387 nm)

Therefore, the wavelength of the wave in the glass is approximately 3.87 × 10^-7 meters or 387 nm.

b) To find the wavelength of a wave with the same frequency propagating in air, we can use the formula:

wavelength = speed of light / frequency

The speed of light in air is approximately equal to the speed of light in a vacuum, which is approximately 3 × 10^8 m/s.

Given:

Frequency (f) = 5.50 × 10^14 Hz

Speed of light (c) in air/vacuum = 3 × 10^8 m/s

Plugging in the values:

wavelength = (3 × 10^8 m/s) / (5.50 × 10^14 Hz)

Calculating the wavelength:

wavelength = 5.45 × 10^-7 meters (or 545 nm)

Therefore, the wavelength of the wave with the same frequency propagating in air is approximately 5.45 × 10^-7 meters or 545 nm.

c) To find the index of refraction of the glass for an electromagnetic wave with this frequency, we can use the formula:

index of refraction (n) = speed of light in a vacuum / speed of light in the medium

Given:

Speed of light in glass = 2.13 × 10^8 m/s

Speed of light in air/vacuum = 3 × 10^8 m/s

Plugging in the values:

index of refraction = (3 × 10^8 m/s) / (2.13 × 10^8 m/s)

Calculating the index of refraction:

index of refraction = 1.41

Therefore, the index of refraction of the glass for an electromagnetic wave with this frequency is approximately 1.41.

d) The dielectric constant (ε) is related to the index of refraction (n) by the formula:

dielectric constant = n^2

Given:

Index of refraction (n) = 1.41

Plugging in the value:

dielectric constant = (1.41)^2

Calculating the dielectric constant:

dielectric constant = 1.9881

Therefore, the dielectric constant for glass at this frequency, assuming that the relative permeability is unity, is approximately 1.9881.

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Answer:

Here's a rough diagram for this question!

The scale I used is 1cm = 5000N.

So, 20000N = 4 cm & 30000N = 6cm.

To find the magnitude of the resultant force, draw a straight line from one corner of the parallelogram to the other end and measure the line. From the diagram, mine would be around 10cm. So, based on the scale I used, 10cm would be 50000N. Therefore, the resultant force is 50000N!

For the angle between the resultant force, I got around 13°-14°!

I hope this helps!

EDIT: My bad, I just noticed I wrote 2000N on my pic loll, thats supposed to be 20000N.

Answer: A

Explanation:

as done tests about this the green house effect makes temputures

Answer:

it's A I believe I think it's A

The power that has been developed by the RMS circuit is 240V

The pace at which energy is transferred to or consumed by a circuit is referred to as its power developed. It measures the speed at which labor is completed or electrical energy is transformed into other forms, such heat, light, or mechanical energy.

The watt (W), which is equal to one joule per second (J/s), is the unit of power in the International System of Units (SI). This measurement represents the rate of energy transfer or consumption.

Recall that the power that is developed in the circuit can be given as IV

We then have that

I = 2 A

V = 120 V

Thus the power = 2 * 120 V

= 240 W

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Answer:

4,500 kilometers

Explanation:

New York is very far from Los Angeles therefore the distance will be in the thousands.

Answer:

4,500 Km

Explanation:

Answer:

60

Explanation:

(hint: speed = distance/time)

The average speed for this trip will be \(\rm 60 mile\ hr^{-1}\). The ratio of the total distance and time is average velocity.

The total distance traveled by an object divided by the total time taken is the average speed.

The average speed of an object indicates the pace at which it will traverse a distance. The metric unit of speed is the meter per second.

The given data in the problem is;

t is the time taken = 5 hour

d is the distance tyravelled=300 miles

The average velocity is found as;

\(\rm v_{avg} = \frac{d_{total}}{t{total}} \\\\\ \rm v_{avg} = \frac{300}{5} \\\\ \rm v_{avg} = 60 mile\ hr^{-1}\)

Hence the average speed for this trip will be \(\rm 60 mile\ hr^{-1}\)

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The pressure on a block resting on a table increases when you increase the force exerted on the block or decrease the area over which the force is distributed.

Pressure is defined as the force applied per unit area. Mathematically, it can be expressed as:

Pressure = Force / Area

If the force exerted on the block increases while the area remains constant, the pressure on the block will increase. This is because the same force is being applied over a smaller area, resulting in a higher pressure.

Conversely, if the force remains constant but the area over which it is distributed decreases, the pressure on the block will also increase. Again, this is due to the same force being applied over a smaller area, resulting in a higher pressure.

In summary, increasing the force or decreasing the area over which the force is distributed will increase the pressure on a block resting on a table.

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As a source of sound wave moves away from a person, its wavelength increases and frequency decreases And amplitude stays  same.

The Doppler effect, often known as the Doppler shift or just Doppler, is the apparent change in frequency of a wave caused by an observer moving relative to the wave source. It is named after the Austrian scientist Christian Doppler, who first characterized it in 1842.

The change in pitch perceived as a vehicle blowing its horn approaches and recedes from an observer is a frequent example of Doppler shift. The received frequency is greater during the approach, identical at the time of passing by, and lower during the recession as compared to the emitted frequency.

Hence wavelength increases.

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Answer:

v = 26.54 m/s

Explanation:

Given that,

The mass of a hockey puck, m = 0.21 kg

The kinetic energy of the hockey puck, E= 74 J

We need to find the speed of the hockey puck. Let the speed is v. We know that, the kinetic energy is given by :

\(E=\dfrac{1}{2}mv^2\)

Where

v is the speed

So,

\(v=\sqrt{\dfrac{2E}{m}} \\\\v=\sqrt{\dfrac{2\times 74}{0.21}} \\\\v=26.54\ m/s\)

So, the speed of the hockey puck is 26.54 m/s.

Answer:

When a diamagnetic substance is placed in a varying magnetic field, it tends to move away from the stronger to the weaker part of the magnetic field.

Explanation:

Diamagnetic atoms are slightly repelled by magnetic fields.

The magnetic fields of permanent magnets are the sums of the nuclear spins, the electron spins and the orbits of the electrons themselves. A magnetic field is stationary and referred to as a magnetostatic field.

Answer: Scholarships are given to reduce the burden of finance to be payed for academics and learning.

Explanation:

The need based scholarships are given in the following matters:

1. Research based scholarships: Scholarships should be given to meritorious students to conduct research in a particular discipline.

2. Student fails to submit fees: The student if meritorious and family is not able to fees then university can either postpone the date for fees payment or can give some concession in fees or fund the student fees for a tenure. It is a kind of scholarship for meritorious students.

3. Teacher scholarships: Teachers are allowed to learn new teaching methodologies with other institutions so that they can help students to learn well. They are provided with scholarships to avail admission in those institutions.

The other piston must be lowered by 2 m to lift the car 2 m using the equation for hydraulic pressure.

To lift a 3000 lb car with a hydraulic lift, the piston with the larger area (2500 cm^2) should be placed under the car. The force required to lift the car can be calculated using the equation for hydraulic pressure:

P = F / A

where P is the pressure, F is the force, and A is the area of the piston. Plugging in the values, we get:

P = 3000 lb / 2500 cm^2 = 1.2 lb/cm^2

The force required to lift the car is then transmitted to the other piston, which has a smaller area (50 cm^2), by the fluid. The pressure on this piston is the same, so the force required to lift the car is:

F = P * A = 1.2 lb/cm^2 * 50 cm^2 = 60 lb

To lift the car 2 m, the other piston must be lowered by an amount equal to the product of its area and the change in pressure due to the height of the lift. The change in pressure is given by the equation:

ΔP = ρgh

where ρ is the density of the fluid, g is the acceleration due to gravity, and h is the height of the lift. Plugging in the values, we get:

ΔP = 1000 kg/m^3 * 9.8 m/s^2 * 2 m = 19680 Pa

The change in the height of the other piston is then:

Δh = ΔP / (ρg) = 19680 Pa / (1000 kg/m^3 * 9.8 m/s^2) = 2 m

So the other piston must be lowered by 2 m to lift the car 2 m.

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Answer:

Only main sequence stars have a well-defined relationship between spectral type and luminosity.

Explanation:

Low-mass stars have much longer lifetimes than high-mass stars.

The y-coordinate of the center of mass of the right-angled triangle with vertices at (0,0), (5.1,0), and (5.1,3.5) units and uniform thickness is 1.75 units.

The center of mаss is the point аt which the object is perfectly bаlаnced. The center of mаss of а triаngle is found in а strаightforwаrd mаnner.

To calculate the center of mass, we can use the formula:

ycm = (A1*y1 + A2*y2 + A3*y3) / (A1 + A2 + A3)

where A1, A2 and A3 are the areas of the three triangles created by the vertices, and y1, y2 and y3 are the y-coordinates of the vertices.

In this case, we have the areas of the three triangles created by the vertices:

A1 = 0.5 * 5.1 * 3.5 = 8.675

A2 = 0.5 * 5.1 * 3.5 = 8.675

A3 = 0.5 * 3.5 * 3.5 = 6.125

The y-coordinates of the vertices are

y1 = 0

y2 = 0

y3 = 3.5

Substituting these values into the formula, we get:

ycm = (8.675*0 + 8.675*0 + 6.125*3.5) / (8.675 + 8.675 + 6.125)

= 1.75 units

Thus, the y-coordinate of its center of mass is 1.75 units.

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To solve this problem, we can use the formula for the magnetic field created by a current-carrying wire. Where B is the magnetic field, I is the current, r is the radius of the wire, and μ0 is the permeability of free space (a constant value)

B = μ0*I/(2*pi*r)

In this case, we are given the current (5.30 A), the magnetic field (8.80*10^5 T), and the angle swept out by the wire (0.100 radians). We want to find the radius of the arc.

We can start by rearranging the formula to solve for r:

r = μ0*I/(2*pi*B)

Substituting in the given values, we get:

r = (4*pi*10^-7)*(5.30)/(2*pi*8.80*10^5)

r = 0.00300 m

To convert this to centimeters, we multiply by 100:

r = 0.300 cm

Therefore, the radius of the arc is 0.300 cm.To find the radius of the arc, we can use the formula for the magnetic field at the center of a circular arc:

B = (μ₀ * I * θ) / (4 * π * r)

where B is the magnetic field, μ₀ is the permeability of free space (4π × 10⁻⁷ Tm/A), I is the current, θ is the angle in radians, and r is the radius.

Given:
B = 8.80 × 10⁵ T
I = 5.30 A
θ = 0.100 radians

We want to solve for r:

r = (μ₀ * I * θ) / (4 * π * B)

r = ((4π × 10⁻⁷ Tm/A) * (5.30 A) * (0.100)) / (4 * π * (8.80 × 10⁵ T))

r ≈ 1.885 × 10⁻⁶ m

Now, convert meters to centimeters:

r ≈ 1.885 × 10⁻⁶ m * (100 cm/1 m) = 1.885 × 10⁻⁴ cm

So, the radius of the arc is approximately 1.885 × 10⁻⁴ cm.

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Explanation:

\(kinetic \: energy = \frac{1}{2} m {v}^{2} \\ but \: {v}^{2} = {u}^{2} + 2gh \\ {v}^{2} = 0 + (2 \times 10 \times 2) \\ v = 6.32 \: m {s}^{ - 1} \\ k.e = \frac{1}{2} \times 2.5 \times 6.32 {}^{2} \\ = 50 \: joules\)

\(potential \: energy = mgh \\ = 2.5 \times 2 \times 10 \\ = 50 \: joules\)

Answer:

13 m/s²

Explanation:

Mass of object = 200 Kg

Applied force = 2600 N

Acceleration  = ?

Solution:

Definition:

The acceleration is rate of change of velocity of an object with respect to time.

Formula:

a = Δv/Δt

a = acceleration

Δv = change in velocity

Δt = change in time

Units:

The unit of acceleration is m.s⁻².

Acceleration can also be determine through following formula,

F = m × a

a = F/m  (N = kgm/s²)

a = 2600 kgm/s² / 200 Kg

a = 13 m/s²

\(\\ \rm\longmapsto F=ma\)

\(\\ \rm\longmapsto a=\dfrac{F}{m}\)

\(\\ \rm\longmapsto a=\dfrac{2600}{200}\)

\(\\ \rm\longmapsto a=13m/s^2\)

Explanation:

The spring will 'stretch out ' ...or be 'sprung'.......it will no longer recoil...it is broken...the spring constant no longer applies

False This phenomenon is known as time dilation and is a consequence of the theory of relativity, specifically the theory of special relativity.

According to special relativity, time dilation occurs when an observer is in relative motion with respect to another observer. When two observers move at different velocities relative to each other, they will experience time passing at different rates.In the scenario you described, if you and your sister are traveling in space at different velocities, you would observe that time appears to be running slower for your sister compared to your own perception of time. This means that your sister's clock would appear to be ticking slower from your perspective.

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Answer:

73.34 mph to 2dp

Explanation:

veolcity = distance/ time

55 / 0.75 = 73.34 mph

The force of the car's engine exerts is 6000 N.

To find the force, the given values are,

acceleration, a = 3 m/s².

mass = 3000 kg

Acceleration, a = Force F/ Mass m

From which we get the formula

Force F = Mass m × Acceleration a

Where, mass is kg and acceleration is m/s².

where kg is kilogram-meter per second square or Newton.

Substituting the Equation in:

F = ma

  = 3000kg x 2m/s²

  = 6000kgm/s²

F = 6000 N.

So, the Force of the car engine exerted is 6000 N.

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