Complete the following items by indicating the letters) designing the correct sotets) of information 4 Ceiling height Electrical receptacle style A Architectural floor plan B. Details 6 Electrical outlet location C Electrical layout drawings 7. Exterior wall finishes K Grading elevations Panelboard schedules D. Electrical symbol schedule E. Elevations F. Sections 19. 10 Rooms with G. Ste plan 11. Swing of door H. Specification 12 View of interior wall Match the items on the left with those on the right by writing the letter designation of the appropriate organization from the list on the right 13 Electrical Code A. LAEL 14. BIESNA Electrical inspectors Fire codes TE 15. C. NEC 16. Lighting information D. NEMA 17. Listing service NEPA 18. Manufacturers standardy PE 19. Seal G. UL Match the items on the left with those on the right by writing the letter designation of the proper level of NEC interpretation from the list on the right. 20. Allowed by the Code A never 21. May be done B. shall 27 Must be done C with special permission 23. Required by the Code 24. Up to the electrician 25. Find NEC 250.52(AKS) and record the first four words. Show required conversion calculations for problem 26 and problem 27. 26. Luminaire style F is four feet long. The length in SI units, as specified by the NEC, 27. The gross area of the drugstore basement is 1395 square feet. The area in square meters is Determine the following dimensions. Write the dimensions using unit names, not symbols (for example, I foot, not I'), and indicate the source of the information. 28. What is the inside clear distance of the interior stairway to the drugstore basement?
in.5 m²) m²) 35) Fire codes "C. NEL Lighting information D. NEMA NFPA Listing service- 2. Manufacturers standardy F. PE 19. Seal G. UL Match the items on the left with those on the right by writing the letter designation of the proper level of NEC interpretation from the list on the right. 20 A never Allowed by the Code. May be done 21. B. shall . Must be done C. with special permission. Required by the Code 24. Up to the electrician 25. Find NEC 250.52(A)(5) and record the first four words. Show required conversion calculations for problem 26 and problem 27. 26. Luminaire style F is four feet long. The length in SI units, as specified by the NEC, is 27. The gross area of the drugstore basement is 1395 square feet. The area in square meters is Determine the following dimensions. Write the dimensions using unit names, not symbols (for example, I foot, not 1'), and indicate the source of the information. 28. What is the inside clear distance of the interior stairway to the drugstore basement? 17. 18. 22. 15. 16. 23. 15 62

After 1 day has passed, approximately 6.25% of Element Z would be remaining.

The half-life of an element is the time it takes for half of the initial amount of the element to decay or transform into another element or isotopes. In this case, Element Z has a half-life of 5 hours.

To determine the percentage of Element Z remaining after 1 day (24 hours), we need to calculate the number of half-lives that have occurred.

Since the half-life of Element Z is 5 hours, there are 24 hours divided by 5 hours, which equals 4.8 half-lives.

Each half-life reduces the amount of Element Z by half. So, after 4.8 half-lives, the remaining amount of Element Z would be (1/2)^(4.8) = approximately 0.0625 or 6.25%.

Therefore, after 1 day has passed, approximately 6.25% of Element Z would be remaining.

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Suppose each bulb has resistance r . with bulb c in place, bulbs b and c are in blank and have equivalent resistance blank. This implies that if we remove bulb C and replace it with an identical bulb, the resistance of the circuit will remain the same

Suppose each bulb has resistance r. When bulb C is in place, bulbs B and C are in series and have an equivalent resistance of 2r. In a series circuit, the total resistance is the sum of the individual resistances. When bulbs B and C are in series, the current flowing through them is the same. Thus, the total resistance is the sum of their resistances, which in this case is r + r = 2r. In a series circuit, the same current flows through each component. This means that if bulb C has resistance r and is in series with bulb B, the current passing through bulb B is also the same. The voltage across the bulbs is divided between them based on their resistances, and since they have the same resistance r, they receive equal voltage. So, with bulb C in place, bulbs B and C are connected in series and have an equivalent resistance of 2r. This implies that if we remove bulb C and replace it with an identical bulb, the resistance of the circuit will remain the same. Series circuits allow the current to flow through each component one after another, while the voltage divides between them.

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Methylene chloride has a boiling point of 39.6 °C (103.3 °F) at normal atmospheric pressure. The boiling point of methylene chloride at 670 mm Hg can be determined using the Clausius–Clapeyron equation.

The equation is expressed as log P₂ / P₁ = ΔHvap / R [(1 / T₁) - (1 / T₂)], Where: P₁ is the initial pressure, T₁ is the initial temperature (in kelvins), P₂ is the final pressure, T₂ is the final temperature (in kelvins), R is the gas constant (8.314 J/(mol·K)), ΔHvap is the enthalpy of vaporization.

In order to calculate the boiling point of methylene chloride at 670 mm Hg, we will use the Clausius-Clapeyron equation as follows: log P₂ / P₁ = ΔHvap / R [(1 / T₁) - (1 / T₂)].

Rearranging the equation we get:ΔHvap / R = [(1 / T₁) - (1 / T₂)] / log P₁ / P₂.

Substituting the known values, we get:(1 / T₁) = 1 / (273.15 + 39.6) = 0.013855 / T₂ = ?P₁ = 760 mm HgP₂ = 670 mm Hglog P₁ / P₂ = log 760 / 670 = 0.052289ΔHvap / R = [(1 / 313.75) - (1 / T₂)] / 0.052289, ΔHvap / R = 3.951T₂ = (1 / 3.951) + (1 / 313.75) = 0.2524 + 0.003186 = 0.255586T₂ = 1 / 0.255586 = 391.5 K.

The boiling point of methylene chloride at 670 mm Hg is 118.35°F or 47.97°C or 321.12 K approximately.

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To calculate the average deceleration of the bus, we can use the following formula:

Here, the initial velocity (v1) is 60 km/h, the final velocity (v2) is 40 km/h, and the time taken (t) is 8 seconds. To make the units consistent, we'll convert the velocities from km/h to m/s.

Now, we can plug the values into the formula:

Now, we'll find a common denominator for the fractions and simplify:

So, the average deceleration of the bus is approximately -150/216 m/s².

Answer:

Explanation:

in a radio telescope, the role that the mirror plays in visible-light telescopes is played by:

✘ O a. a spectrometer

✘ O b. an interferometer

✘ O c. a special kind of lens

✘ O d. computer software

Have a Nice Best Day : )

The spectrum observed from the Sun (or any star) would exhibit an absorption spectrum. This is because the outer gaseous atmosphere of the star absorbs specific wavelengths of light, resulting in dark absorption lines in the spectrum.

In the cooler, lower-density outer atmosphere, where white light from the star travels, some atoms or molecules in the atmosphere absorb photons with particular energy. In the spectrum, these absorptions show up as black lines at specific wavelengths. The specific set of absorption lines that each element or molecule generates results in a distinctive pattern that can be used to identify the elements that are present in the star's atmosphere.

The absorption spectrum offers insightful data on the chemical make-up and physical characteristics of the star. Astronomers can ascertain the elements present, their abundances, and other characteristics like the temperature, pressure, and velocity of the star's atmosphere by examining the absorption lines.

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Answer:

They travel

Explanation:

Because they move in a certin way

Angular momentum is a rotational motion measure defined as the product of an object's moment of inertia and its angular velocity. Angular momentum is commonly expressed in kilogram metres squared per second (kgm²/s). Angular momentum is a vector quantity in physics, which means it has both a magnitude and a direction. The right-hand rule asserts that if the fingers of the right hand are curled in the direction of the angular velocity vector, the thumb will point in the direction of the angular momentum vector.

An object's angular momentum can be computed by multiplying its moment of inertia by its angular velocity. Units of angular momentum expressed in kgm²/s.

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Answer:

the road has a larger coefficient of linear expansion than the dirt

Answer:

32.32857

Explanation:

Searched on the web

If one ball's initial speed was 1.50 m/s , and the other's was 2.20 m/s in the opposite direction, There velocities after collision will be - 2.2  m/s and  - 2.9 m/s  

given :

masses of both the balls are same

using conservation of momentum

m1u1 + m2u2 = m1v1 + m2v2

m1 ( 1.50 ) + m2 * (-2.20) = m1v1 + m2v2

m (1.50) + m ( -2.20) = mv1 + mv2

-0.7 = v1 + v2         equation 1

since

u1 + v1 = u2 + v2

1.50 + v1 = (-2.20) + v2

v1 - v2 = - 3.7            equation 2

solving equation 1 and 2 we get

v1 = - 2.2  m/s

v2 = - 2.9 m/s

There velocities after collision will be - 2.2  m/s and  - 2.9 m/s  

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Answer:

(a) 6,000,000J      

(b)  3,000,000J

(c)  For A 20,000W

But for B 10,000W

The work done in getting  the car to the top is equal to 6 ×10⁶ J. If the vertical speed is 2.5 m/s then, the work done will be  3 ×10⁶ J. The power exerted on the car is in 5 minutes is 20000 J/s.

In physics, work done is the dot  product of force and displacement. Let w be the work done and F and ds be the force and displacement. Then

W = F.ds

It is given that the, the force of the cable is 4 × 10³ N. The velocity is 5 m/s and time is 5 minutes or 300 seconds. Now, the displacement is the product of time and velocity.

ds = velocity ×  time

    =  300 s ×  5 m/s

    = 1500 m.

Thus the work done = F × ds

                                  = 4 × 10³ N ×  1500 m

                                  = 6 ×10⁶ J .

If the velocity is reduced to half 2.5 m/s , then work done will be reduced to half as 3 ×10⁶ J.

Power is the rate of work done. Thus it is the ratio of work done to time. The power exerted on the car in 5 minutes = 6 ×10⁶ J /300s

                                                                        = 20000 J/s

Hence, the power exerted on the cable car in 5 minutes is 20000 J/s.

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In series combination less rate of joule hating should be observed as compared to when connected in parallel combination .

Joule heating, also known as resistive, resistance, or Ohmic heating, is the process by which the passage of an electric current through a conductor produces heat.

Joule's first law states that the power of heating generated by an electrical conductor equals the product of its resistance and the square of the current:

When two or more resistors are connected end to end consecutively, they are said to be connected in series combination. The combined resistance of any number of resistances connected in series is equal to the sum of the individual resistances.

When two or more resistances are connected between the same two points, they are said to be connected in parallel combination. The reciprocal of the combined resistance of a number of resistances connected in parallel is equal to the sum of the reciprocals of all the individual resistances.

Rate of joule heating can be calculated by the formula

Power = \(V^{2}\) / R

V = voltage

R = resistance

When both are connected in series than their equivalent resistance will be more as compared to when they are connected in parallel.

Power is inversely related to resistance , if voltage is constant

In series combination less rate of joule hating should be observed as compared to when connected in parallel

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Answer:

They would land at the same time

Explanation:

They would land at the same exact time.

As weird, impossible and unbelievable as it appears. When in a vacuum, every weight, body and material when released from the same height would land on the ground at the same time. This also means that like in the question, a feather and a ball would land at the same time. And just for illustrations as well, a feather and a car would land at the same time as well.

The wavelength (in feet) of the sound wave with a velocity of 1125 ft/s and a frequency of 600 Hz is 1.88 ft

The velocity of a wave is related to its frequency and wavelength according to the following equation:

Velocity (v) = wavelength (λ) × frequency (f)

v = λf

From the question given, the following data were obtained:

The wavelength of the wave can be obtained as follow:

v = λf

Divide both sides by f

λ = v / f

λ = 1125 / 600

λ = 1.88 ft

Thus, the wavelegth of the wave is 1.88 ft

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Answer:

E = 7200 J = 7.2 KJ

Explanation:

The electric field due to a sphere is similar to the electric field due to a point charge. It is calculated by the use of the following formula:

\(E = \frac{kq}{r^2}\\\)

where,

E = Electric Field = ?

k = Coulomb Constant = 9 x 10⁹ Nm²/C²

q = charge on sphere = 2 μC = 2 x 10⁻⁶ C

r = distance from the center of the sphere to the location = 5 cm = 0.05 m

Therefore,

\(E = \frac{(9\ x\ 10^9\ Nm^2/C^2)(2\ x\ 10^{-6}\ C)}{(0.05\ m)^2}\)

E = 7200 J = 7.2 KJ

Answer:

The system software is a collection of programs designed to operate, control, and extend the processing capabilities of the computer itself. System software serves, the interface between the hardware and the end users. Some examples of system software are Operating System, Compilers, Interpreter, Assemblers.

Explanation:

A computer software is a collection of computer programs that provides instructions for a computer on what to do and how to do it. There are two types of software:

1. System Software       2. Application software

1. System software controls the various operations performed by the computer hardware. It helps the user operate the computer system.

2. An application software is used to perform operations for a specific task.

A car traveling at 50 mph can be stopped in roughly 229 feet under ideal conditions, including reaction time.

When several atoms or molecules with the proper orientation and the least amount of energy efficiently collide, a reaction happens. Rate of reaction are the molecules that commence a chemical change, whereas products are the molecules that are formed as a consequence of the reaction.

Two features of nuclear reactions are the formation of new bonds between carbon molecules in resultant particles and the establishment of molecular links amongst individual atoms (particles) (molecules). The quantity of structures changes despite the fact the number of atoms is the same before and after the chemical transition.

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Answer:

4.695 m/s

Explanation:

We can use the law of conservation of momentum to solve this problem. The law of conservation of momentum states that the total momentum of a closed system remains constant if there are no external forces acting on it. In this case, the two balls form a closed system.

The total momentum before the collision is:

p_before = m1v1 + m2v2

where m1 and v1 are the mass and velocity of the first ball, and m2 and v2 are the mass and velocity of the second ball.

Plugging in the values given in the problem, we get:

p_before = (0.32 kg) * (5.1 m/s) + (0.75 kg) * (0 m/s) = 1.632 kg*m/s

The total momentum after the collision is:

p_after = m1v1' + m2v2'

where v1' and v2' are the velocities of the first and second ball after the collision.

We know the velocity of the second ball after the collision:

v2' = 2.38 m/s

To find the velocity of the first ball after the collision, we can use the conservation of momentum:

p_before = p_after

m1v1 + m2v2 = m1v1' + m2v2'

Plugging in the values we know and solving for v1', we get:

v1' = (m1v1 + m2v2 - m2*v2') / m1

v1' = (0.32 kg) * (5.1 m/s) + (0.75 kg) * (0 m/s) - (0.75 kg) * (2.38 m/s) / (0.32 kg)

v1' = 6.48 m/s - 1.785 m/s

v1' = 4.695 m/s

Therefore, the velocity of the 0.32 kg ball after the collision is 4.695 m/s

The final velocity of the first ball is approximately 3.14 m/s. We can solve this physics problem using the principle of conservation of momentum. The total momentum before the collision is equal to the total momentum after the collision, which allows us to solve for the unknown final velocity of the first ball.

Explanation:

To solve this problem, we can use the principle of conservation of momentum.The preliminary momentum of the machine is identical to the very last momentum.Since the second one ball is first of all at rest, its preliminary momentum is zero. The initial momentum of the first ball is given by the product of its mass and velocity: 0.32 kg × 5.1 m/s.

Using the principle of conservation of momentum, we can set up the equation: (0.32 kg × 5.1 m/s) = (0.32 kg × v1) + (0.75 kg × 2.38 m/s), where v1 represents the final velocity of the first ball.

By solving this equation, we can find that the final velocity of the first ball is approximately 3.14 m/s.

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Answer: 10 minutes and 9 inches

Explanation:

I got it right and they are counting by 2 and 3

Answer:

\(\huge\boxed{\sf F= 350 \ N}\)

Explanation:

Considering pivot as the central point,

Key:

\(F_1r_1=F_2r_2\)

Here,

Substitute the givens in the above formula.

\(F(1.2)=600(0.7)\\\\F(1.2)=420\\\\Divide \ 1.2 \ to \ both \ sides\\\\F=420/1.2\\\\F= 350 \ N\\\\\rule[225]{225}{2}\)

The statements is true about black holes is "black holes cannot be seen, but we can see the effects of their gravitational fields." . Option B. This is further explained below.

Generally, A black hole is simply defined as a region of space where gravity is strong that light cannot escape.

In conclusion, We can't see black holes, but we can witness the consequences of their gravitational fields.

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What 3 × 105 kg represents is the mass of Earth. Option D. This is further explained below.

Generally,  the absence of discernible form in a huge mass of material

In conclusion, Transportation between Earth and space is accomplished by means of the space shuttle.

It gets people to spaceships in orbit. The mass of the space shuttle is 3108 kg.

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Answer:

D

Explanation:

For a constant volume, the pressure of a gas is directly proportional to the temperature in Kelvin is the conclusion which can be made from Gay-Lussac’s law and is denoted as option D.

This is referred to as the perpendicular force applied on a body per unit area and the unit is Pascal.

Gay-Lussac was a scientist who discovered through numerous experiments and observations that at a constant volume, the pressure of a gas is directly proportional to the temperature in Kelvin.

This is denoted as the following equation below:

P ∝ T

P = kT where p is pressure, k is constant and t is temperature.

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The options are:

At atmospheric pressure, the water inside a water barometer is about 33.9 feet high. This is equal to the mercury's height in a mercury barometer, which is only 2.49 feet at atmospheric pressure.

As a general rule, severe weather is indicated by low air pressure, and pleasant weather is indicated by high air pressure. Weather will worsen if pressure is dropping while improving if pressure is rising. The speed of the fall or rise will determine how quickly and how much the weather would change.

The barometer is a device that gauges air pressure. Hectopascals is one of the many measurement types used by the barometer to determine air pressure (hPa). The liquid barometer, analog barometer, and mercury barometer are just a few examples of the different types of barometers.

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