how to run and connect a wire from a receptacle in one room to a switch and receptacle in another room

The total travelled distance is • Speed, time and distance is one of the most common and important topics in the Mathematics or Quant section.

Velocity is the pace and direction of an object's movement, whereas speed is the time rate at which an object is travelling along a path. In other words, velocity is a vector, whereas speed is a scalar value.

For instance, 50 km/hr west denotes the velocity of a car whereas 50 km/hr (31 mph) denotes the speed at which it is moving down a route.

The average speed of an object is determined by dividing the distance traveled by the amount of time it takes the object to reach the distance.

Therefore, The total travelled distance is • Speed, time and distance is one of the most common and important topics in the Mathematics or Quant section.

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Answer:

MgO relative atomic mass is 40

Explanation:

Mg=24

O=16

Given:

The speed of the train is,

The actual frequency of the whistle is,

The speed of sound in air is,

To find:

The frequency heard by the observer

Explanation:

The apparent frequency when the train approaches the observer is given by,

Hence, the frequency heard by you is 209.2 Hz.

Answer:

yea, force is mass x acceleration

The system described by the transfer function G(s) = -co² s² + 2a + w², with a damping ratio of 1.3 and a natural frequency of 0.5, has an overdamped unit step response. So, the correct option is (E)

The transfer function of the system is given as G(s) = -co² s² + 2a + w², where co represents the damping ratio, a represents an arbitrary constant, and w represents the natural frequency of the system. We are given that the natural frequency is 0.5 and the damping ratio is 1.3.

To determine the type of unit step response, we need to analyze the damping ratio (co) in relation to the critical damping value (co_critical).

The critical damping ratio (co_critical) is defined as the value where the system is on the threshold between being overdamped and underdamped. It is given by the formula co_critical = 2 * sqrt(a * w²).

In our case, the natural frequency (w) is 0.5, so we can calculate co_critical as follows: co_critical = 2 * sqrt(a * 0.5²).

Since the damping ratio (co) is given as 1.3, we can compare it with co_critical to determine the type of unit step response.

If co > co_critical, the system is considered overdamped (Option E).

If co = co_critical, the system is considered critically damped (Option D).

If co < co_critical, the system is considered underdamped (Option C).

Based on the given values, we can determine that the system is overdamped (Option E) because the damping ratio (1.3) is greater than the critical damping ratio.

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Answer:

0

Explanation:

When water is pumped out of well A, it causes a drop of 7 inches at point C; if water is pumped from well B into well A (at the same rate the water is pumped out of well A), then it will give a rise of 7 inches at well C. Therefore the net drawdown at well C is:

S = 7-7 = 0

Answer:

Mirrors are good for seeing objects because they reflect light, allowing us to see an image of the object. When light hits a smooth surface, such as a mirror, it reflects at the same angle as it hits the surface, which creates a clear and accurate image of the object. Mirrors are used in many applications, such as in telescopes, microscopes, and in cars as rear-view mirrors, among others.

Acoustic panels are used in concert halls to improve the quality of sound. The panels are designed to absorb sound waves and reduce echoes, which can improve the clarity and richness of the sound. This is important in concert halls where the goal is to provide an immersive and enjoyable experience for the audience. Without acoustic panels, the sound waves would bounce off the walls and ceiling, creating a chaotic mix of sounds that can make it difficult for the audience to appreciate the music. Acoustic panels come in different shapes and sizes and are often strategically placed to optimize the sound quality in the hall.

A wave train pulse moves along a slinky until it reaches the string's fixed end. It will return with a 180° phase shift and the opposite velocity.

The dislocation that an objects or particle experiences with regards to the time is expressed vectorially as velocity. The metres per second (m/s) is the accepted unit of fluid velocity (usually known as speed).

The velocity is the rate at which a given displacement changes. By figuring out the displaced to total time ratio, this could be calculated. The same as for speed, "m/s" is the SI unit for velocity.

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Answer:

V = I * R        voltage drop

P = I * V = I^2 * R        power

I = P / V = 327 / 15 = 21.8 amps

b)   I = 21.8 amps

a) R = P / I^2 = 327 / 21.8^2 = .69 ohms

Check:

V = I R = 21.8 * .69 = 15 Volts

(i) Switch k1 is closed:

The current passing through the circuit is:  0.25 amps

R_total = R1 + R2 = 3 + 5 = 8 ohms

The current passing through the circuit is:

i = V / R_total = 2 / 8 = 0.25 amps

(ii) Switches k1 and k2 are closed:

The current passing through the circuit is: 1.07 amps

1/R_total = 1/R1 + 1/(R2 + R3) = 1/3 + 1/(5 + 0) = 8/15

R_total = 15/8 ohms

The current passing through the circuit is:

i = V / R_total = 2 / (15/8) = 1.07 amps

(iii) Switch k1 is open and k2 is closed:

The current passing through the circuit is: 1.07 amps

1/R_total = 1/R2 + 1/(R1 + R3) = 1/5 + 1/(3 + 0) = 1/5 + 1/3 = 8/15

R_total = 15/8 ohms

The current passing through the circuit is:

i = V / R_total = 2 / (15/8) = 1.07 amps

So the current passing through the circuit depends on which switches are closed, and can range from 0.25 amps to 1.07 amps.

What is current?

Crrent refers to the flow of electric charge through a conductor, such as a wire. It is measured in amperes (A) and is defined as the rate at which electric charge flows past a given point in a circuit. current is caused by the movement of charged particles, such as electrons or ions, through a conductor.

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The initial momentum of the ball is 15 Kgms-1.

In Physics, the term momentum is the product of mass and velocity. Momentum is a vector quantity. This implies that momentum possess both magnitude and direction.

Hence, we often write; p = mv

Where:

p = momentum

m = mass

v = velocity

The initial momentum therefore is;

p = 1.25 kg × 12 m/s = 15 Kgms-1

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The second orientation, with the meter stick positioned vertically and the knee applied to one end, would make it easier to break the meter stick over your knee due to the concentration of force at a single point.

In order to determine which orientation would make it easier to break a meter stick over your knee, we need to consider the distribution of forces and the structural integrity of the meter stick.

The first diagram shows the meter stick oriented horizontally, with the knee positioned underneath the stick. In this orientation, the force applied to the meter stick would be distributed over a larger area, reducing the concentration of force at any specific point.

This distribution of force would make it more difficult to break the stick, as the pressure exerted on the stick would be spread out.

The second diagram shows the meter stick oriented vertically, with the knee positioned on one end of the stick. In this orientation, the force applied to the stick would be concentrated at a single point where the knee comes into contact with the stick.

This concentration of force would create a higher pressure at that point, increasing the likelihood of breaking the stick.

Therefore, the second orientation, with the meter stick positioned vertically and the knee applied to one end, would make it easier to break the meter stick over your knee due to the concentration of force at a single point.

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Answer:

T = 3.17 s

Explanation:

Given that,

The length of the pendulum, l = 2.5 m

We know that the period of oscillation of the pendulum is given by :

\(T=2\pi \sqrt{\dfrac{l}{g}}\)

Where

g is the acceleration due to gravity

\(T=2\pi \sqrt{\dfrac{2.5}{9.8}}\\\\T=3.17\ s\)

So, the period of oscillation is equal to 3.17 s.

Answer:

The  tangential velocity for the cars are approximately 2.3 m/s

Explanation:

The given parameters are;

The radius of the Texas Star Ferris wheel, r = 65.8 mete secondsrs

The time it takes the Ferris wheel to go round once = 180 seconds

The angular velocity, ω = Change in angle rotated/(Time duration of the change)

ω = Δθ/Δt = 2·π/180

The tangential velocity for the cars, \(v_t\) = ω·r = 2 × 3.14/180 × 65.8 ≈ 2.3 m/s

The  tangential velocity for the cars, \(v_t\) ≈ 2.3 m/s.

Answer:

Python is a programming language uses code like java ,Css and HTML. it is uses in software and some application. It is use in coding website and application.

According to Aristotle, human beings are different from all other living things because of our ability to reason and make decisions.

Aristotle believed that humans have a unique form of life, which is characterized by the use of reason and the ability to contemplate abstract concepts. He argued that other living things, such as animals, lack this ability and are only able to act on instinct.

Aristotle believed that the use of reason is what sets humans apart and allows us to achieve our potential as individuals. He argued that humans are able to use their reason to understand the world around them and to make decisions based on this understanding. He believed that this ability is what allows humans to create, invent, and innovate, and to achieve great things in life.

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At the bottom of the journey, the passengers will be travelling at a speed of approximately 39.2 m/s.

Acceleration is the rate of change of an object's velocity over time. It is a vector quantity, meaning it has both magnitude and direction. Acceleration is usually denoted by the letter a in equations. It is the second derivative of position with respect to time, or the rate of change of velocity. Acceleration describes how quickly an object's speed changes with time. Acceleration can involve either an increase or decrease in speed, and it can involve either a change in direction or no change in direction.

This is because the velocity of a free falling object is equal to the square root of two times the acceleration of gravity times the height from which the object is dropped.
In this case, the height is 33.5 m, and the acceleration of gravity is 9.8 m/s2.
Therefore, the velocity at the bottom of the journey is equal to the square root of two times 9.8 m/s2 times 33.5 m, which is equal to 39.2 m/s.

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Answer:

D. Pearl Harbor

Explanation:

Answer: by giving special shapes called streamlined shape to the objects

Explanation:

Answer:

A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure. A liquid is made up of tiny vibrating particles of matter, such as atoms, held together by intermolecular bonds.

Answer:

Momentum

Explanation:

If we change how fast an object is going and change its mass, then we have changed its momentum.

The momentum of body is the quantity of motion such a body can possess.

It is mathematically expressed as:

   Momentum  = mass x velocity

Therefore, if we vary mass and velocity or either of them, then, the momentum of the object will also change.

Mass and velocity is very crucial to the momentum of a body.

Answer:

\(\huge\boxed{\sf P = 2592\ Ns}\)

Explanation:

Mass = m = 162 kg

Velocity = v = 16 m/s

Momentum = P = ?

P = mv

Put the given data in the above formula.

P = (162)(16)

P = 2592 Ns

\(\rule[225]{225}{2}\)

From the principle of energy conservation, the kinetic energy of the pendulum at 0.5 m is 14.7 J.

A pendulum swings back and forth and can be used to show the change of potential energy to kinetic energy and vice versa.

Given that the kinetic energy is converted to the potential energy; the potential energy at 0.5 m is 3 * 9.8 * 0.5 = 14.7 J.

Following the principle of energy conservation, the kinetic energy of the pendulum at 0.5 m is 14.7 J.

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When light with a 180 nm wavelength is absorbed by the surface, the velocity of the emitted electrons is determined by the kinetic energy and momentum of the emitted electrons.

The photoelectric effect refers to the phenomenon in which the emission of electrons occurs from a metal surface when it is exposed to light. The electrons that are released in this process are referred to as photoelectrons.

According to the photoelectric effect equation, the kinetic energy of the photoelectrons (KE) is determined by the following equation:

KE = hf - Φ  where h is Planck's constant, f is the frequency of the incident light, and Φ is the work function of the metal surface.

According to the photoelectric effect, the kinetic energy of the emitted electrons (KE) is given by the following equation:

KE = 1/2mv² where m is the mass of the electron and v is its velocity.

. The momentum of the emitted electrons is given by the following equation: p = mv where p is the momentum of the emitted electrons. Therefore, the velocity of the emitted electrons is given by the following equation: v = p/m. Thus, the velocity of the emitted electrons is determined by the kinetic energy and momentum of the emitted electrons.

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The complete question is :

The work function of palladium is 5.22 eV

a) What is the minimum frequency of light required to observe the photoelectric effect on Pd? ν = 1.26×\(10^{15} s^{-1}\)

b) If light with a 180 nm wavelength is absorbed by the surface, what is the velocity of the emitted electrons? Express your answer with the appropriate units

Answer:

Chemical engineering is a multi-disciplinary branch of engineering that combines natural and experimental sciences such as chemistry and physics, along with life sciences such as biology, microbiology and biochemistryplus mathematics and economics to design, develop, produce, transform, transport, operate

Explanation:

Answer:

A. the process needs to produce significant amounts of ammonia

C. the process needs to be able to be performed safely

Explanation:

a p e x

Answer:

3N

Explanation:

The momentum of Bobby's go cart is 2400 kg*m/s.

Momentum (p) is calculated by multiplying the mass (m) of an object by its velocity (v).

Given:

Mass of Bobby's go cart (m) = 60 kg

Distance traveled (d) = 800 m

Time taken (t) = 20 s

To find the velocity (v), we can use the formula:

Velocity (v) = Distance / Time

v = 800 m / 20 s

v = 40 m/s

Now we can calculate the momentum (p):

Momentum (p) = Mass (m) * Velocity (v)

p = 60 kg * 40 m/s

p = 2400 kg*m/s

Therefore, the momentum of Bobby's go cart is 2400 kg*m/s.

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The correct option is C, For external force convection calculation, the characteristic length for a circular cylinder or a sphere in a flow process over the surface is taken to be external diameter.

Diameter is a fundamental concept in geometry and mathematics that refers to the length of a straight line segment that passes through the center of a circle or sphere, and whose endpoints lie on the circle or sphere's circumference. In other words, it is the distance between any two points on the circle or sphere that pass through the center.

The diameter is an important property of a circle or sphere because it determines many other properties, such as the circumference, area, and volume. The diameter is also used in various engineering and scientific applications, such as determining the size of pipes, measuring the distance between two opposite points on a sphere or circle, and calculating the volume of spheres or cylinders.

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Complete Question: -

For external force convection calculation, the characteristic length for a circular cylinder or a sphere in a flow process over the surface is taken to be               (Hint: pay attention to slide 6 and example 7.1 in the lecture notes. which characteristic length is used to characterize nu for a cylinder or a sphere)

a. internal diameter

b. internal diameter/2

c. external diameter

d. external diameter/2

e. external diameter/6

Answer:

An electromagnet is the device through which runs current and it creates a magnetic field.

Answer:

b

Explanation:

Sir Isaac Newton explain the ocean tides result from the gravitational attraction of the Sun and Moon on the oceans of the Earth