Calculate the time it takes a 200 W appliance to transfer 40,000 J of energy

The repulsive electrical force  between protons is: [tex]F = 9.279 \times 10^{-8} \,{\rm{N}}[/tex]

The repulsive electrical force between two protons 3.5 * 10-15 m apart from each other in an atomic nucleus is calculated by Coulomb's law, which states that the force between two charged particles is directly proportional to the product of the charges and inversely proportional to the square of the distance between them.

So, the repulsive force between two protons 3.5 * 10-15 m apart is given by:

[tex]F = (1.602 \times 10^{-19})^2 / (3.5 \times 10^{-15})^2[/tex]

[tex]F = 9.279 \times 10^{-8} \,{\rm{N}}[/tex]

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The horizontal velocity of the drone while it was falling was approximately 19.8 m/s.

Assuming no air resistance or drag, the horizontal velocity of the drone remains constant during the fall. The time it takes for the drone to fall 80 m vertically can be calculated using the formula:

[tex]h = (1/2) * g * t^2[/tex]

where h is the height, g is the acceleration due to gravity, and t is the time. Solving for t, we get:

[tex]t = sqrt(2h/g) = sqrt(2*80/9.8) = 4.04 seconds (approximately)[/tex]

During this time, the horizontal distance traveled by the drone is 80 m.

Therefore, the horizontal velocity of the drone while falling can be calculated as follows:

[tex]v = d/t = 80/4.04 = 19.8 m/s (approximately)[/tex]

So, the horizontal velocity of the drone while it was falling was approximately 19.8 m/s.

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The cruising velocity was 20% higher on the trip home than it was on the outward trip. The distance of 506 miles between cities a and b was traveled in 3 hours, 30 minutes.

The process of extracting data from such a message to produce data objects is described in the outgoing Data section. Each message type has its own definition. For HL7, static, or delimited messages, the Data part is necessary.

The cost savings of inbound marketing over outbound marketing is one of its main advantages. 80% of company decision makers indicate they would prefer to receive information about an organization into a series of blogs rather than through outbound calls, while inbound leads were demonstrated to cost roughly 60% less than massive machine - type communications.

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The resistance of a cylindrical conductor is determined by the equation R = (ρL)/A, where ρ is the resistivity of the material, L is the length, and A is the area of the cylindrical conductor.

When the length is quadrupled and the radius is cut in half, the resistance of the cylindrical conductor is 4 ohms.

The resistance of a cylindrical conductor can also be affected by the resistivity of the material it is made of. The resistivity of a material is a measure of how easily electricity can flow through it, and is determined by its chemical structure.

Generally, materials with higher resistivity will have a higher resistance, so the resistance of a cylindrical conductor may be increased if it is made from a material with a higher resistivity.

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If the thermal bulb assembly develops a leak, The bulb pressure will reduce and the valve will close.

A thermostatic expansion valve (TXV) is a refrigeration and air conditioning throttling device which controls the amount of refrigerant liquid injected into a system's evaporator. It based on the evaporator outlet temperature and pressure which being called the superheat.

When a thermostatic expansion valve’s thermal bulb assembly develops a leak, the bulb pressure will decrease, and the valve will close. The pin or valve port piston of the electronic step-motor expansion valve could move a linear motion of 0.0783 inches/step.

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By adding a dielectric, the capacitance rises and the energy in the capacitor decreases.

The strength of the electric field is reduced as a result of the presence of dielectric. If the overall charge on the capacitor plates is kept constant, the potential difference across the plates will decrease. The dielectric increases the capacitor's capacitance as a result. When a capacitor is given a dielectric, the electric field is diminished, the voltage is lowered, and the capacitance is increased.

You must perform negative work in order to decrease the potential energy stored in the capacitor since adding a dielectric will increase capacitance C and reduce that potential energy.

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Places, where particles of the medium spread farther apart, are called compressions.

Mechanical waves are classified as longitudinal waves and transverse waves. Some examples of longitudinal waves are sound waves, seismic P-waves, and ultrasound waves. Transverse waves examples include electromagnetic waves and ocean waves. In this article, we will learn what is a longitudinal wave and its characteristics. Longitudinal waves are waves where the displacement of the medium is in the same direction as the direction of the traveling wave. The distance between the centers of two consecutive regions of compression or the rarefaction is defined by wavelength, λ. When the compression and rarefaction regions of two waves coincide with each other, it is known as constructive interference and if the regions of compression and rarefaction do not coincide, it is known as destructive interference.

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Actress Cindy williams stars in Shirley Feeney on the television sitcom Laverne & Shirley.

Cynthia Jane Williams (August 22, 1947 - January 25, 2023) was an American entertainer and maker, referred to for her job as Shirley Feeney on the TV sitcoms Cheerful Days (1975-1979), and Laverne and Shirley (1976-1982). She likewise showed up in American Spray painting (1973) and The Discussion (1974).

After school, Williams started her expert vocation via landing public ads, which included Encourage Award shades and TWA. Her most memorable jobs in TV, among others, were on Room 222 Babysitter and the Teacher, and Love, American Style.

Williams went with an entertainer companion from Los Angeles City School who required a scene accomplice for the tryout and was likewise acknowledged at The Entertainers Studio West, yet seldom went to because of acting commitments. Williams got significant film jobs right off the bat in her vocation: George Cukor's Movements with My Auntie (1972); as Laurie Henderson, Ron Howard's personality's secondary school darling in George Lucas' American Spray painting (1973) for which she procured a BAFTA designation as Best Supporting Actress; and Francis Portage Coppola's The Discussion (1974). She tried out alongside large number of others, for Lucas' Star Battles for the job of Princess Leia, yet Leia was eventually played via Carrie Fisher since Lucas wished to project questions, as in American Graffiti.

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The electrical capability strength of a 1.zero-C price at factor (zero, 4.zero m) is 7.sixty five x 10^6 J. 

To locate the electrical capability strength of a 1.zero-C price at factor (zero, 4.zero m), we will use the formulation: U = k * q1 * q2 / r

First, we want to locate the electrical capability at factor (zero, 4.zero m) because of the 2 expenses. The electric powered capability at a factor because of a factor price is given by: V = k * q / r

The electric powered capability at factor (zero, 4.zero m) because of the 5.zero-nC price is: V1 = k * q1 / r1

=[tex](nine x 10^nine Nm^2/C^2) * (5.zero x 10^-nine C) / (4.zero m)[/tex]

= 1.a hundred twenty five x 10^7 V

The distance among the 5.zero-nC price and the factor (zero, 4.zero m) is: r1 = [tex]\sqrt{(zero^2 + 4.zero^2) = 4.zero m}[/tex]

The electric powered capability at factor (zero, 4.zero m) because of the -2.zero-nC price is: V2 = k * q2 / r2

= [tex](9 x 10^9 Nm^2/C^2) * (-2.zero x 10^-9 C) / (5.zero m)[/tex]

= -3.6 x 10^6 V

The distance among the -2.zero-nC price and the factor (zero, 4.zero m) is: r2 = sqrt((3.zero m - zero)^2 + 4.zero^2) = 5.zero m

The overall electric powered capability at factor (zero, 4.zero m) is:

V = V1 + V2

= 1.a hundred twenty five x 10^7 V - 3.6 x 10^6 V

= 7.sixty five x 10^6 V

Now we will use the formulation for electric powered capability strength to locate the strength of a 1.zero-C price at factor (zero, 4.zero m) because of the 2 expenses: U = q * V

= (1.zero C) * (7.sixty five x 10^6 V)

= 7.sixty five x 10^6 J

Therefore, the electrical capability strength of a 1.zero-C price at factor (zero, 4.zero m) is 7.sixty five x 10^6 J. 

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If the universe initially contains equal amounts of all four elements, and the elements are then allowed to perform natural motions according to the principles discovered above, the final structure of the universe will be determined by the relative strengths of the forces acting on each element.

The stronger forces will cause the elements to move in certain directions and create patterns in the universe. For example, the forces of gravity, electrostatic forces, and magnetic forces will cause the Earth and Water elements to form planets, while the Air and Fire elements will form galaxies and stars. The final structure of the universe will depend on the balance of these forces and the motion of the elements.

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Answer:

Explanation:

cap

Do steering corrections as look far ahead, target the center of your lane and move the wheel and hands together.

Why steering corrections is important?

Steering corrections is a technique used by drivers to adjust the direction of their vehicle. It involves small corrections made to the steering wheel to ensure the vehicle is travelling in the intended direction. Steering corrections are important because they help to keep a car stable and on track while driving. Making small corrections while driving can help to avoid an accident, while driving in a straight line. Steering corrections also help to keep the car balanced and help to reduce the wear and tear on the tires. Steering corrections can also help to increase fuel efficiency as they help to keep the car in the most efficient driving line.

When steering straight ahead, it is important to look far ahead and target the center of your lane. This will help you anticipate any changes in direction that you may need to make. Moving the wheel and hands together will help you maintain control of the vehicle and keep it in the center of the lane.

Therefore, look far ahead, target the center of your lane and move the wheel and hands together.

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The value of constant acceleration (a2) is 3.6m/s2 when a particle moves at constant acceleration a through displacement d2 = 300 m from point B to point C.

Given the constant acceleration of a particle (a1) = 2.2m/s2

The displacement of particle from point A to B on x axis is (d) = 500m

The next displacement of particle from point B to C (d2) = 300m

The total time taken (t) =60s

Let the acceleration from point B to C = a2

Initially the particle is at rest so u = 0m/s

The time to travel from point A to B = t1

We know that from Newtons laws of motion s = ut + 1/2at2 such that:

d1 = ut1 + 1/2a1t12

500 = 0 + 1/2 x 2.2 x t^2

t = √1000/2.2 = 21.31s

The final velocity at point B = v

v = u + a1t1

v = 2.2 x 21.31 = 46.88m/s

The final velocity at point B becomes initial velocity to travel from B to C.

The remaining time (t2) = 60 - 21.31 = 38.69s

The final velocity at point C = 0m/s

so, v^2 = u^2 + 2xa2xd2

-46.88 x 46.88 = 2 x a2 x 300

a2 = -3.6m/s^2

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The required capacitance when voltage and charge of a capacitor are specified is calculated to be 0.2 F.

The expression for potential, charge and capacitance is known as,

Q = C V

where,

Q is charge

C is capacitance

V is voltage

The value of initial voltage is given as, V = 30 v

The value of initial charge is given as, Q = 6 c

Entering the values into the above equation, we have,

Q = C V

Making 'C' as subject, we have,

C = Q/V = 6/30 = 0.2 F

Thus, the required capacitance is calculated to be 0.2 F.

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Answer:

For changing the speed from m/s to km/h we just have to multiply the number with

18

5

So,

Here speed given is 6 m/s

To convert it into km/h =

6

×

18

5

=

21.6

km/h

Hence the correct answer is 21.6 km/h

The final temperature of the system is  63.33° C.

A body or thermodynamic system can release or absorb latent heat during a constant-temperature process, often a first-order phase transition.

Latent heat is energy that is provided or removed in a concealed form to alter the state of a substance without altering its temperature.

The applied heat = 6.0 × 10⁵ Joule

Mass of the ice = 1 kg

Latent heat of ice fusion = 334 kJ/kg

Hence,

334000 × 1 + 1 × 4200× (t - 0) =  6.0 × 10⁵

4200 × t = 266000

t = 63.33° C

Hence, the final temperature of the system is  63.33° C.

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Time taken by Rick to cover a distance d can be expressed in terms of his rates of running and walking, as well as the gravitational acceleration, and will depend on the specific conditions of the distance being covered.

Assuming that Rick runs a distance of d at a constant speed of vr and walks the same distance at a speed of vw, the total time taken can be :

[tex]t = (d/vr) + (d/vw)[/tex]

if the distance d is vertically upward, such as climbing a flight of stairs, formula will need to be adjusted to account for the work done against gravity.

[tex]t = (d/vr) + (sqrt(2d/g) + (d/vw)[/tex]

This formula adds the time taken to climb the distance against gravity, which is [tex]sqrt(2d/g),[/tex] to time taken to run and walk the distance.

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When comparing the physical quantity of the topmost liquid to the bottommost liquid in a density tower, it is important to note that the topmost liquid will have a higher density since it is closest to the source of the gravitational force.

This means that the topmost liquid will be heavier than the one below it, and the density of the topmost liquid will be greater than the density of the bottommost liquid.

Additionally, the topmost liquid will also have a higher viscosity, meaning it will be thicker and more viscous than the one below it.

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Answer:

Option B

Statement:

Acceleration is the changes in speed over time, while speed is the change in distance over time.

The hydrogen bonds between water molecules change dramatically as the system's temperature changes.

The crystalline lattice of ice is dominated by a regular array of hydrogen bonds that space water molecules farther apart than they do in liquid water. This explains why water's density decreases when it freezes.

In other words, the presence of hydrogen bonds allows ice to float because this spacing causes ice to be less dense than liquid water.(Hydronium ions are also known as "hydroxonium ions").

H-O- H3O+

This is true in pure water at standard temperature and pressure. If the bond strengths were more similar, the atoms of two interacting water molecules might be partitioned into two polyatomic ions of opposite charge, specifically hydroxide and hydronium.

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The hydrogen bonds in liquid water are less stable than in ice due to the thermal energy of the water molecules in the liquid state causing them to vibrate and move around more, which makes it easier for the hydrogen bonds to break.

In liquid water, the hydrogen bonds between water molecules are constantly breaking and reforming due to the thermal energy of the water molecules. The thermal energy of the water molecules in the liquid state causes them to vibrate and move around more than in the solid state, which makes it easier for the hydrogen bonds to break.

In contrast, in ice, the water molecules are held in a more rigid and ordered structure, and the hydrogen bonds between them are more stable. The lower temperature in the solid state results in less thermal energy, which reduces the molecular motion and vibrations, making it more difficult for the hydrogen bonds to break.

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Cadence braking is employed in automobiles without ABS to stop them on slick surfaces.  The ABS is working to keep the car from locking up and keeping you from skidding when you feel feedback.

Remove your foot from the brake pedal to allow your wheels to maybe gain enough traction to momentarily unlock. Afterward, if necessary, apply brake pressure once more.

Without ABS, sudden, harsh braking could result in wheel lockup and loss of steering control if the driver didn't pump the brakes properly or kept the force of the brake pedal under control. When driving on an icy or wet road, it entails rhythmically applying and releasing the brakes gently to avoid the wheels from locking up while still allowing you to manoeuvre.

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Correct Question:

Why Do My Brakes Lock Up When Trying to Stop?

Cellular respiration is an example of an energy-releasing process, which releases the energy in sugars. Photosynthesis is an example of an energy-requiring reaction, which consumes energy from the sun to make sugars.

Sunlight, carbon dioxide, and water are necessary as the first reactants in photosynthesis. When photosynthesis is finished, it releases oxygen and creates molecules of carbohydrates, most frequently glucose. The energy required for survival is contained in these sugar molecules.

Energy is needed for every chemical reaction in which tiny molecules are converted into larger ones. The molecules must be connected using ATP energy. Examples include converting amino acids into protein and carbohydrates into glycogen.

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A machine moves a conveyor belt using 600 watts of power in 90 seconds, completing 54,000 j of work.

Water is transported all across the world by a network of ocean currents known as the global conveyor belt. Deep currents are driven by changes in water densities in a process known as thermohaline circulation, whereas surface currents are predominantly driven by wind.

A "parcel" of water is thought to take up to 1,000 years to travel the whole length of the planet's conveyor belt. At the northern polar region of the planet, cold, salty, thick water sinks and travels south along the western Atlantic basin.

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Question:

It takes a machine 90 seconds to do 54,000 J of work moving a conveyor belt. How much power is used to move the conveyor belt?

600 watts

540 watts

1.6 x 10-3 watts

4.8 x 106 watts

Answer:

The distance from Jerusalem to Galilee is approximately 150 km depending on the route you take. You can get a bus from Jerusalem's central bus station to Tiberias, on the edge of the Sea of Galilee. The journey takes about 2-3 hours.Sep 4, 2019

The units of the fitting parameter “m” is meters per second squared, the unit for acceleration. For the parameter “b” it is height h in meters (m).

Parametric fitting involves finding coefficients (parameters) for one or more models that you fit to data. The data is assumed to be statistical in nature and is divided into two components: data = deterministic component + random component.

The model is a function of the independent variable and one or more coefficients. The error represents random variations in the data that follow a specific probability distribution. The variations can come from many different sources, but are always present at some level when you are dealing with measured data. Systematic variations can also exist, but they can lead to a fitted model that does not represent the data well.

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The momentum is conserved as shown by the calculation

Momentum is conserved according to the law of conservation of momentum, which states that the total momentum of a closed system remains constant, unless acted upon by an external force. In other words, the momentum of an isolated system of objects is constant, as long as no net external force is applied. This means that if two objects collide, the total momentum of the system before the collision will be equal to the total momentum of the system after the collision.

We know that;

Momentum before Collison = Momentum after Collison

Thus we have that;

Momentum before Collison

(12.5 * 4) + (10 * 2)  = 50 + 20 =70 Kgm/s

Momentum after collision;

(12.5 * 1.6) + (10 * 5) = 20 + 50 = 70 Kgm/s

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Charge q at a distance of 2.7 m away from the point charge is approximately [tex]-9.9 * 10^(-7) C[/tex]. We calculated this using Coulomb's law.

The electric potential (voltage) at a point a distance r away from a point charge q is given by the Coulomb's law:

[tex]V = k * q / r[/tex],

where k : Coulomb's constant ([tex]9 * 10^9 N*m^{2} /C^{2}[/tex]). In this case, we know that the voltage V is [tex]-3.5 * 10^3 V[/tex] and the distance r is 2.7 m. Therefore, we can write:

-[tex]3.5 * 10^3 V = (9 * 10^9 N*m^{2} /C^{2} ) * q / 2.7 m[/tex]

Solving for q:

q = [tex](-3.5 * 10^3 V) * (2.7 m) / (9 * 10^9 N*m^{2} /C^{2} ) = -9.9 * 10^(-7) C[/tex]

The negative sign indicates that the charge is negative, which means that it has an excess of electrons. This result shows that electric potential is directly proportional to the magnitude of the charge and inversely proportional to the distance from the charge.

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E =lE0xi describes the electromagnetic current in a particular area. If a cubic container bounded by the surface x=0,x=a,y=0,y=a,z=0,z=a contains x1012C of charge.

E=Fqtest=k|Q|r2. The size of the electrical field produced by a charged object Q is determined by this equation. The radius r in the fraction is the separation between the area of interest and the point charged, Q, or the center of the a spherical charge.

This can be calculated using the distance formula: (x0)2+(y0)2=x2+y2. If and only if x2+y2=r, or if we squaring both sides: x2+y2=r2, is a point (x,y) at a distance from the origin. This is the formula for the r-radius circle centered at the.

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Wave speed - the distance the wave travels in a given amount of time

Frequency - number of events per unit of time

Period - time it takes to complete one oscillation

For Transverse Waves:

For longitudinal Waves: