you own a construction company with a revenue of $365,000. the direct costs of producing goods is $280,000. your annual general overhead is $12,000 that includes $3000 in meals and entertainment; $3000 in office utilities; $2500 for office laptop; $800 for office desks and chairs; $500 for office supplies; and miscellaneous. the allowed depreciation for office utilities is $50; for office laptop is $200; and for office desks and chairs is $75; and for office supplies is $15. in addition, the past allowed depreciation amounted to $300. during the year you also earned $8000 in dividends and $800 in interest. determine your net taxable income. the income tax rate for the company is 25%. calculate the net profit of the company.

Both balls soon after they left her palm experienced the same amount of acceleration, but in opposite directions.

We define acceleration a as the rate of change of velocity with respect to time for linear motion:

a = dv/dt = d²x/dt²

According to Newton's second law, a force F is required to accelerate a mass m:

F= ma

The forces exerted on the ball govern its acceleration. There is just one force acting on both balls at the moment they are released from the student's hand: gravity. Therefore, the amount and direction of the acceleration of both balls are the same:

F = mg with,

|g| = 9.81 m/s², pointing straight down.

Both balls soon after they left her palm experienced the same amount of acceleration, but in opposite directions.

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In terms of increasing radius, the order of the three stars with the same surface temperature would be: Star C (main sequence star), Star A (giant star), and Star B (supergiant star). This order is based on the evolutionary stages of stars, where main sequence stars have a smaller radius compared to giant stars, and supergiant stars have the largest radius.

The radius of a star is closely related to its evolutionary stage and mass. Main sequence stars, like Star C, are in a stable phase of hydrogen fusion and have a relatively smaller radius. Giant stars, like Star A, have exhausted their core hydrogen fuel and expanded in size, resulting in a larger radius compared to main sequence stars. Supergiant stars, like Star B, are even more evolved and have significantly larger radii due to various processes occurring in their cores.

Therefore, the increasing order of radius for the three stars with the same surface temperature would be Star C (main sequence), Star A (giant), and Star B (supergiant).

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Answer:

\(136.28\ \text{s}\)

19.08 m/s or 68.688 km/h

Explanation:

a = Aceleración = \(0.14\ \text{m/s}^2\)

s = Desplazamiento = \(1.3\ \text{km}=1300\ \text{m}\)

u = Velocidad inicial = 0

t = Tiempo empleado

De las ecuaciones cinemáticas obtenemos

\(s=ut+\dfrac{1}{2}at^2\\\Rightarrow 1300=0+\dfrac{1}{2}\times 0.14t^2\\\Rightarrow t=\sqrt{\dfrac{1300\times 2}{0.14}}\\\Rightarrow t=136.28\ \text{s}\)

El tiempo necesario para recorrer una distancia de 1,3 km es \(136.28\ \text{s}\)

\(v^2-u^2=2as\\\Rightarrow v=\sqrt{2as+u^2}\\\Rightarrow v=\sqrt{2\times 0.14\times 1300+0}\\\Rightarrow v=19.08\ \text{m/s}=19.08\times 3.6=68.688\ \text{km/h}\)

La velocidad final del automóvil es 19.08 m/s so 68.688 km/h.

Explanation:

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The process of a gas cylinder floating in a large tank of water is an example of an equilibrium process.

The gas cylinder floating in a large tank of water represents a state of equilibrium. In this scenario, the gas cylinder is immersed in the water, and the forces acting on it are in balance.

When the gas cylinder is placed in the water, it experiences an upward buoyant force due to the displacement of water by the cylinder. This buoyant force is equal to the weight of the water displaced by the cylinder. According to Archimedes' principle, this buoyant force is equal to the weight of the gas cylinder itself.

Simultaneously, the gas cylinder experiences a downward gravitational force due to its own weight. For the cylinder to float, these two forces must be equal.

As a result, the floating gas cylinder represents an equilibrium state, where the buoyant force and the gravitational force are balanced. This equilibrium occurs because the density of the gas in the cylinder is lower than the density of the water, allowing it to displace a volume of water that is equal to its own weight.

Therefore, the process of a gas cylinder floating in a large tank of water is an example of an equilibrium process where the upward buoyant force equals the downward gravitational force.

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After considering the given data we conclude that the time that aerosols of different sizes takes to reach the floor is 0.002 s to reach the floor.

The range of aerosol size released during different expiration events are 0.5 to 256 pm. The different sizes of aerosol you could consider for the analysis are 0.5-1-2-4-8-16 – 32 - 64 - 128 - 256 pm
 The speed of breathing is about 1.5 m/s, coughing ranges from 1.5 to 30 m/s and sneezing 20 to 50 m/s
 Assume that the aerosols do not go through evaporation, and maintain a constant size. Also, assume the aerosols/droplets produced during the expiration events are made of water, thus have a density of 1000 kgm-3. The values of the rest of the parameters such as viscosity and density of air, acceleration due to gravity, etc., can be assumed according to your judgment.
Applying the given aerosol sizes, we can calculate the Reynolds number of the jet coming out during breathing, coughing, and sneezing, and determine if the flows are laminar or turbulent. The Reynolds number can be evaluated using the formula:
Re = ρVD/μ
Here,
ρ = density of air,
V = velocity of the jet,
D = diameter of the jet (aerosol size),
μ = viscosity of air.
Consider the  air density to be 1.2 kg/m³ and viscosity to be 1.8 x 10⁻⁵ Pa.s, we can calculate the Reynolds number for each case:Breathing:
Re = (1.2 kg/m³) x (1.5 m/s) x (0.5 x 10⁻⁶m) / (1.8 x 10⁻⁵ Pa.s) = 0.05
The Reynolds number for breathing is less than 2300, which is the critical value for laminar flow. Therefore, the flow during breathing is laminar.Coughing:
Re = (1.2 kg/m³) x (15 m/s) x (128 x 10⁻⁶ m) / (1.8 x 10⁻⁵ Pa.s) = 1280
The Reynolds number for coughing is less than 2300, which is the critical value for laminar flow. Therefore, the flow during coughing is laminar.Sneezing:
Re = (1.2 kg/m³) x (35 m/s) x (256 x 10⁻⁶m) / (1.8 x 10⁻⁵ Pa.s) = 6444
The Reynolds number for sneezing is greater than 2300, which is the critical value for laminar flow. Therefore, the flow during sneezing is turbulent.For the given aerosol sizes, the maximum velocity of release that allows the aerosols to be moving as creeping (Stokes) flow can be determined using the formula:
Vmax = 2r²g(ρa-ρ)/9μ
Here,
r = radius of the aerosol (aerosol size/2),
g = acceleration due to gravity (9.81 m/s²),
ρa = density of air,
ρ = density of the aerosol (1000 kg/m³),
μ = viscosity of air.
Considering the air density to be 1.2 kg/m³ and viscosity to be 1.8 x 10⁻⁵. Pa.s, we can evaluate the maximum velocity of release for each aerosol size:0.5 pm: Vmax = 0.0002 m/s
1 pm: Vmax = 0.0005 m/s
2 pm: Vmax = 0.0019 m/s
4 pm: Vmax = 0.0076 m/s
8 pm: Vmax = 0.0303 m/s
16 pm: Vmax = 0.1214 m/s
32 pm: Vmax = 0.4854 m/s
64 pm: Vmax = 1.9427 m/s
128 pm: Vmax = 7.7709 m/s
256 pm: Vmax = 31.0834 m/s
Therefore, the maximum velocity of release that allows the aerosols to be moving as creeping (Stokes) flow increases with the size of the aerosol.Assuming the aerosols to be spherical, we can calculate the distance traveled by aerosols of different sizes before hitting the floor, when they are released during different expiratory events from a height of an average human being. Assuming the height of an average human being to be 1.7 m, the distance traveled can be calculated using the formula:
d = (V0²/g)(1 + cosθ) × (1 - exp(-2gh/V0²))
Here,
V0 = initial velocity of the aerosol,
g = acceleration due to gravity (9.81 m/s²),
θ = angle of release (assumed to be 45 degrees),
h = height of release (1.7 m),
d = distance traveled.
The time taken by the aerosols of different sizes to reach the floor can also be estimated using the formula:
t = (2V0sinθ)/g
Applying the maximum velocity of release evaluated earlier for each aerosol size, we can evaluate the distance traveled and time taken for each size:0.5 pm: d = 0.0003 m, t = 0.00004 s
1 pm: d = 0.0008 m, t = 0.00008 s
2 pm: d = 0.0015 m, t = 0.00016 s
4 pm: d = 0.0031 m, t = 0.00024 s
8 pm: d = 0.0062 m, t = 0.00034 s
16 pm: d = 0.0125 m, t = 0.00048 s
32 pm: d = 0.0251 m, t = 0.00068 s
64 pm: d = 0.0503 m, t = 0.00097 s
128 pm: d = 0.1007 m, t = 0.00137 s
256 pm: d = 0.2013 m, t = 0.00194 s
Therefore, the distance traveled and time taken by aerosols of different sizes before hitting the floor increases with the size of the aerosol. The smallest aerosols (0.5-2 pm) travel less than 2 mm and take less than 0.0002 s to reach the floor, while the largest aerosols (128-256 pm) travel up to 20 cm and take up to 0.002 s to reach the floor.
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The direction of the current when the north pole of the coil is facing the north pole of the magnet, according to Lenz's Law, will be counterclockwise. Lenz's Law states that the direction of an induced current in a conductor is always such that it opposes the change in magnetic field that caused it.


According to Lenz's Law, the direction of the induced current in a coil or circuit will be such that it opposes the change in magnetic field that is causing it.

When the north pole of a magnet is brought near the north pole of a coil, the magnetic field in the vicinity of the coil will increase. To oppose this increase, Lenz's Law states that the induced current will flow in such a direction that it produces a magnetic field that opposes the magnetic field of the approaching magnet.

Using the right-hand rule for the direction of induced current, if you extend your right hand with the thumb pointing in the direction of the approaching magnetic field (from the north pole of the magnet towards the north pole of the coil), then the curled fingers will indicate the direction of the induced current. In this case, the induced current will flow counterclockwise around the coil when viewed from above.

Therefore, the direction of the current when the north pole of the coil is facing the north pole of the magnet, according to Lenz's Law, will be counterclockwise.


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If resultant force on the body is 0 the acceleration will also be 0.​

The term "acceleration" refers to the change in velocity with time. We must also recall that force is the product of mass and acceleration. If that is so, we can write; F = ma.

Now, we are told that the force on the body is zero so making the acceleration the subject of the formula; a = 0/mand a = 0.

Hence,  if resultant force on the body is 0 the acceleration will also be 0.​

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Answer: malleability

Explanation:

The statement that describes an energy measurement is one gram of wood stores 16,000 J, therefore the correct answer is option D

It can be defined as the form of the energy in which heat is transferred from one body to another body due to their molecular movements, thermal energy is also known as heat energy.

Thermal energy can be produced with help of various means such as by burning fossil fuels, with the help of solar energy.

The Joule is the recognized unit of measurement for energy (J). Kilowatt/hour (kWh), which is used specifically for electric energy, should be listed among the most used units for measuring energy (in fact it is used to calculate electricity bills). The Terawatt/hour (TWh), or one billion kW/h, is used to calculate the output of big power facilities or the country's consumption.

Thus, The statement that describes an energy measurement is one gram of wood stores 16,000 J, therefore the correct answer is option D

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In order for an object to have a perfectly circular orbit, an object must have the exact speed to achieve the circular orbit.

A circular orbit is a circular path which an object continuously follow in the course of its movement.

The earth and planets have a circular orbit around the sun.

The circular orbit is maintained by a balance between centripetal and centrifugal forces.

Therefore, in order for an object to have a perfectly circular orbit, an object must have the exact speed to achieve the circular orbit.

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Answer:

it's true I'm pretty sure

Answer:

the answer is true.I'm sure

Answer:

High water level during a tide is called High tide.

Low water level during a tide is called Low tide.

The structural damage which could be expected if a Category 3 hurricane which is predicted to hit an area is high percentage of framed homes could be destroyed, with total roof failure and wall collapse and is denoted as option C.

This refers to the rapidly rotating storm which has a low-pressure center and is characterized by strong winds ad thunderstorms and of different types such as category 1 to 3.

Category 3 hurricane leads to loss of lives and properties which is depicted as  framed homes being destroyed with total roof failure and wall collapse which is why option C was chosen.

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Answer:

F t = m Δv         impulse delivered = change in momentum

Δv = 100 * .1 / .5 = 20 m/s     original speed of puck

KE = 1/2 m v^2 = .5 * 20^2 / 2 = 100 J     initial KE of puck

E = μ m g d        energy lost by puck

Ff = μ m g = m a      deceleration of puck due to friction

a = μ  g = 9.8 * .2 = 1.96 m/s^2

v2 = a t + v1 = -1.96 * 4 + 20 = 12.2 m/s     speed of puck on striking box

m v2 = M V       conservation of momentum when puck strikes box

V = m v2 / M = 12.2 * .5 / .8 = 7.63 m/s     speed of box after collision

KE = 1/2 M V^2 = .8 * 7.63^2 / 2 = 23.3 J     KE of box after collision

KE = μ M g d     energy lost by box in sliding distance d

d = 23.3 / (.3 * .8 * 9.8) = 9.91 m     distance box slides

Answer:

Newton's second law of motion states that the acceleration of a system is directly proportional to and in the same direction as the net external force acting on the system, and inversely proportional to its mass. If the only force acting on an object is due to gravity, the object is in free fall.

Explanation:

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The resistance of the wire when 3 X 10²³ electrons flow in one minute when a voltage of 4000 volts is applied across the ends of a copper wire

is 1.33 x 10⁻¹⁷ ohms.

The resistance of the copper wire can be calculated using Ohm's law, which states that the resistance (R) of a wire is equal to the voltage (V) divided by the current (I). In this case, the voltage is 4000 V and the current is equal to 3 X 10²³ electrons per minute. Thus, the resistance of the wire is: R = 4000 V / ( 3 X 10²³ electrons/min) = 1.33 x 10⁻¹⁷ ohms.

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Answer:

F1 = ma = 5.5 kg * 10 m/s² = 55 N  (force acts downwards)

F2 = - 50 N (force acts upwards)

net force = 5 N (downwards)

F = ma

a = F/m

a = 5 / 5.5

a = 0.91 m/s²

Explanation:

Since the object is falling downwards, the air resistance acts upwards. We also have a force acting downwards since the rock experiences gravitational acceleration (the value of g above is 10 m/s² for the sake of easier calculation but you can also set it to be 9.81 m/s² which is the more accurate value). Since the air resistance and force due to gravity are acting in opposite directions and force is a vector, we have to put a minus in front of F1 or F2 (it doesn't matter which direction you chose to be the positive one) . Then we calculate the net force, aka the difference between F1 and F2. Finally, knowing the force and the mass, we can calculate the acceleration.

If the polarity of the electrolytic capacitor is reversed, it causes severe damage to the dielectric material in the capacitor and made the capacitor explode.

An electrolytic capacitor is a polarized capacitor that uses the electrolytic solution to achieve a larger capacitance than other types of capacitors. The electrolyte is a solution that has a large number of ions.

It has an anode or positive plate made of a metal that forms an insulating oxide layer. The oxide layer acts as a dielectric of the capacitor. A gel electrolyte that covers the surface of the oxide layer, forms a negative electrode or cathode.

When the polarity of the electrolytic capacitor is reversed, it destroys the dielectric layer and also the capacitor. When the voltage exceeds it makes the capacitor explode.

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The separation between wave sources affects the interference pattern by changing the phase difference between the waves arriving at a particular point.

The interference pattern is a result of the superposition of waves from multiple sources. When the sources are close together, the waves interfere constructively and destructively in a complex pattern. As the sources are moved further apart, the interference pattern becomes more spread out, with fewer and broader maxima and minima.

Eventually, when the sources are far apart, the interference pattern disappears, and the waves can be treated as independent. The distance between the sources affects the phase difference between the waves arriving at a particular point, which determines whether they interfere constructively or destructively. Therefore, as the separation between sources increases, the phase difference between the waves decreases, resulting in a less pronounced interference pattern

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Answer:

4 to 5

Explanation:

Answer:

it = 5.5e-5 cm

just tyoe in on the search bar nm to cm and a calculatro comes up

Explanation:

You can download answer here

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If the distance between the two particles is increased to 8.44 mm, the electrical potential energy will increase because work must be done to separate two particles that attract one another. Hence option(A) is correct.

Potential energy is the energy held by an object as a result of its position relative to other objects, internal stresses, electric charge, or other factors.

The gravitational potential energy of an object, the elastic potential energy of an extended spring, and the electric potential energy of an electric charge in an electric field are all examples of common types of potential energy. The joule, denoted by the symbol J, is the unit of energy in the International System of Units (SI).

The positive and negative charges attract each other, so work must be done to separate two particles. Hence, the electrical potential energy will increase.

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a. The volume of the wood is greater than before.

b. The fraction submerged is approximately 0.000883 or 0.883%.  

Part A:

The volume of the wood is greater than before.

Part B:

The fraction submerged when oil with a density of 875 kg/m^3 covers the block, we need to use the formula for the volume of a solid:

V = m/ρ

here V is the volume of the solid, m is the mass of the solid, and ρ is the density of the fluid. We know that the density of the water is 1000 kg/m, so we can substitute this value into the formula:

V = (m/1000) / (875 kg/m)

here m is the mass of the wood. We also know that the density of the oil is 875 kg/m, so we can substitute this value into the formula:

V = (m/875) / (875 kg/m)

We also know that the mass of the wood is 100 kg, so we can substitute this value into the formula:

V = (100/1000) / (875 kg/m)

V = 0.000883

The fraction submerged is approximately 0.000883 or 0.883%.  

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Answer:

a person climbs a set of stairs

Explanation:

A person climbing a set of stairs increases his height, which also increases his gravitopotential energy. Gravitopotential energy increases with height as you move further away from the surface of the Earth.

A wind up toy winding down is already expending its stored up potential energy. An apple falling from a tree is already losing its gravitipotential energy. A firecracker that explodes is already using up the potential energy stored in its chemical. All these are cases where the potential energy is decreasing.

Answer:

Proxima Centauri is a small, low-mass star located 4.244 light-years (1.301 pc) away from the Sun in the southern constellation of Centaurus. Its Latin name means the "nearest [star] of Centaurus". This object was discovered in 1915 by Robert Innes and is the nearest-known star to the Sun.

Star system: Alpha Centauri

Category: Star, Flare star

Constellation: Centaurus

Discoverer: Robert T. A. Innes

Explanation:

u should make it into an essay

The formula of the trigonometric function that models the distance HHH from the pendulum's bob to the wall after t seconds is

H(t) = 15 -6sin(2.5π(t -0.5))

Detailed explanation:

The function can be expressed as the following for the midline M, amplitude A, period T, and time t0 at which the function deviates from the midline:

 H(t) = M -Asin(2π/T(t -t0))

The equation is based on the parameters M=15, A=6, T=0.8, and t0 = 0.5.

H(t) is equal to 15 -6sin(2.5π(t -0.5))

The trigonometric functions in mathematics are real functions that connect the right-angled triangle's angle to the ratios of its two side lengths .In all areas of study that involve geometry, such as geodesy, solid mechanics, celestial mechanics, and many others, they are widely used.

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The correct question is:

A pendulum is swinging next to a wall. The distance from the bob of the swinging pendulum to the wall varies in a periodic way that can be modeled by a trigonometric function.

The function has period 0.80.80, point, 8 seconds, amplitude 6 \text{ cm}6 cm6, start text, space, c, m, end text, and midline H = 15 \text{ cm}H=15 cmH, equals, 15, start text, space, c, m, end text. At time t = 0.5t=0.5t, equals, 0, point, 5 seconds, the bob is at its midline, moving towards the wall.

Find the formula of the trigonometric function that models the distance HHH from the pendulum's bob to the wall after t seconds. Define the function using radians.