what is the value of current ic in the figure? the directions of the currents are as noted.

The 25 pieces of data were less than 28.5.

What is frequency ?

The quantity of waves that pass a fixed place in a unit of time is referred to as frequency in physics. It also indicates how many cycles or vibrations a body in periodic motion experiences in a given amount of time.

What is data ?

In physics, organising and analysing experimental data is done to provide evidence for a theory or hypothesis. It is an important step in the scientific method and requires students to demonstrate high levels of expertise in key scientific skills.

From given table,

Take sum of frequencies up to class 23.5-28.8,

   F = 4 + 9 + 12 = 25.

The number of pieces of the data were less than 28.5 is : 25.

Therefore, 25 pieces of data were less than 28.5.

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Answer:

3

Explanation:

Are you looking just for the x-component of vector A?  If so, the answer is:

3

Go from the tip of the vector A arrow straight down to the x axis

There would be endless momentum. The object's momentum would be unlimited at the speed of light, therefore getting it there would take an infinite impulse.

An infinite impulse would require either an infinite force or an endless time (our time, not the time of the object), as impulse is defined as force times time.

The mass of an object would become infinite if it ever managed to travel at the speed of light. The energy needed to move the object would then have to be limitless, which is impossible. The principles of physics state that as we get closer to traveling at light speed, it takes more and more energy to move an object. You would require a limitless supply of energy, which is not conceivable, in order to travel at the speed of light.

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For the FCC lattice, the relationship between edge length (a) and atom radius (r) is ( 2a) = 4r.

F + V = E + 2, where F is the number of faces, V is the number of vertices, and E is the number of edges, is how Euler's formula is expressed. According to Euler's formula, the number of faces plus the number of vertices minus the number of vertices equals two for many solid shapes. Length: 0.20 to 14.20 meters, trimmed per request of customs. Wall Thickness Requirement: 0.4 mm. Circumscribed Circle Diameter 300 mm, maximum dimensions. Workability: Simple to machine, cut, and weld.

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The percentage of the ratio of Vo/ Vmax is 83%

The [s] given has 5 km

The Vmax can be found using the Michaelis-Menten equation,

                     Vo / Vmax = [s] / km + [s]

where Vo is the initial velocity

           Vmax is the maximum velocity

The Michaelis-Menten equation can be rewritten as V = Kcat [enzyme] [S] / (Km + [S]). Kcat is equal to K2 and measures the number of substrate molecules that the enzyme "turns over" per second. The unit of Kcat is 1/sec.

Let us substitute the known values in the above equation, we get

                     Vo / Vmax = 5 km / km + 5km

                                        = 5 km / 6 km

                                        = 0.833 x 100

                                        = 83.3 %

Therefore, the percentage of Vo/Vmax is 83.3 %

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The full question is

when [s] = 5 km, what percentage (%) of Vo/Vmax has been reached?

The locomotive draws a current of 40,000 amps.The train can go 5,000  km before 1% of the energy is lost in the wire.

What is energy ?

Energy is the ability to do work.  It can be used to power machines and other devices, generate electricity, or heat and light our homes. Energy is also a measure of how much work can be done in a given time. It is measured in Joules (J).

The current drawn by the locomotive is given by I = V/R.

where V is the potential difference between the wire and track and R is the resistance of the wire (in this case 0.25 ohms/km).

Therefore, the current drawn by the locomotive is

I = 10,000 V/0.25 ohms/km = 40,000 A

The distance from the power plant at which 1% of the energy is lost in the wire is given by d = R*I²/2V

where R is the resistance of the wire, I is the current drawn by the locomotive, and V is the potential difference between the wire and track. Therefore, the distance from the power plant at which 1% of the energy is lost in the wire is

d = 0.25 ohms/km * (40,000 A)²/2 * 10,000 V = 5,000 km

This means that the locomotive can travel up to 5,000 km from the power plant before 1% of the energy is lost in the wire.

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So, we compiled a list of every fast-food burger with more than 1,000 calories. Consider this: the majority of individuals eat 2,000 calories on average each day.

It is therefore quite simple to exceed that calorie restriction if one component of one meal has more calories than a day's worth. Because of this, we've compiled a list of the worst fast-food burgers with surprisingly high calorie counts, from the worst to the worst offenders. The lack of McDonald's burgers on this list may actually come as a surprise to you. Unexpectedly, every burger at Mickey D's has fewer than 1,000 calories. The Double Quarter-Pounder with Cheese, which has 740 calories, is the main offender.

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The two premises and a conclusion are:

Premise 1: All birds can fly.

Premise 2: Eagles are birds.

Conclusion: Eagles can fly.

Premise 1: All living things need oxygen to survive.

Premise 2: Fish are living things.

Conclusion: Fish need oxygen to survive.

Premise 1: All fruits are high in vitamins.

Premise 2: Apples are fruits.

Conclusion: Apples are high in vitamins.

These are examples of a logical argument that uses two premises, which are statements or propositions, as the basis for drawing a conclusion.

Therefore, In each example, the conclusion is a logical deduction based on the information provided in the premises. The first one is an example of an argument that uses the generalization and identification, the second one is an example of argument that uses the classification, and the third one is an example of argument that uses the definition.

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See full question below

give an example  of two premises and a conclusion

Correct option is D, the direction of the magnetic force that this solenoid exerts on the bar magnet To the left, toward the solenoid.

We are aware that like poles repel one another and that opposing poles attract one another. Therefore, the bar magnet will be drawn to the solenoid. Therefore, the solenoid's left side must be receiving the force.

We are aware that like poles repel one another and that opposing poles attract one another. Therefore, the bar magnet will be drawn to the solenoid. Therefore, the solenoid's left side must be receiving the force.

One of the four fundamental forces of nature, the electromagnetic force, results in the magnetic force, which is brought about by the motion of charges. When two charge-containing objects move in the same direction, a magnetic attraction pulls them together. A compass, a motor, the magnets that hold items in refrigerators, railroad tracks, and modern roller coasters are examples of devices that use magnetic force. A magnetic field is created by all moving charges, and the charges that move across its areas,

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a) The spacing between the fringes will decrease if the color of the light is changed to blue.

b) II. The fringe spacing decreases because blue light has a shorter wavelength than red light.

The two-slit experiment is a fundamental experiment in wave optics that demonstrates the wave-like behavior of light. When a beam of light is shone through two small slits, it produces a diffraction pattern on a screen behind the slits. This pattern consists of a series of bright and dark fringes, which are caused by the interference of the light waves passing through the two slits.

Answer to (a) is that, if the color of the light is changed to blue, the spacing between the fringes will decrease. This is because the spacing between the fringes is inversely proportional to the wavelength of the light, and blue light has a shorter wavelength than red light.

As for the reason behind it, the best explanation is (b) II. The fringe spacing decreases because blue light has a shorter wavelength than red light. The wave property of light is important in producing the fringes, and the color of the light does play a role in the spacing of fringes, which is why the spacing decreases when the color of the light is changed to blue.

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According to the question, the effort force is 15 meters from the fulcrum, while the load force 5 meters from the fulcrum. The mechanical advantage is 4.

What is mechanical advantage?
Mechanical advantage is the ratio between the output force of a machine and the input force. It is used to compare the amount of work put in to the amount of work done. It is the measure of how much a machine multiplies the force applied to it or reduces the amount of force needed to do a certain task. Basically, it is the measure of how efficient a machine is. By using mechanical advantage, a machine can increase the output force or reduce the amount of force needed to do a certain task. This allows machines to be used to complete tasks that would be difficult or impossible to do using just human strength.

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The wave velocity depends on the tension in the string and the mass per unit length of the string.

These two variables he remains the same for all three strings, so the speed is equal. Va = Vb = Vc

Wave speed commonly refers to velocity, but velocity actually means both speed and direction. A wave's velocity is equal to its wavelength times its frequency (the number of oscillations per second) and is independent of its intensity.

Wave velocity is an important parameter that can accurately describe the mechanical properties of rocks.

The speed of a wave is independent of time and the source of the wave, but the speed of a wave depends on the wavelength of the wave propagating in a particular medium. Wave speed depends on the medium used.

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The cube slides back and forth in a frictionless hemispherical bowl of radius R. When the cube is raised to an angle θ and released, the conservation of energy is applied to calculate the cube’s speed at the bottom of the bowl.

i. The system for this problem is the small cube of mass m and the hemispherical bowl of radius R.

ii. No external work is done on the system.

iii. The main principle or concept used to solve this problem is the conservation of energy.

iv. This problem can be solved by using Newton’s laws. The cube is initially at rest and is raised to an angle θ. Since the bowl is frictionless, the force of gravity is the only force acting on the cube, so the net force on the cube is zero. This means that the cube’s momentum is constant. Since the cube is at rest initially, its initial momentum is zero. As it is raised to an angle θ, it gains gravitational potential energy. At the bottom of the bowl, the cube’s gravitational potential energy is converted to kinetic energy, so the cube’s speed is equal to its kinetic energy divided by its mass (m). This means that the cube’s speed at the bottom of the bowl is:

Speed = (m * g * h) / m

where h is the height of the bowl.

The cube slides back and forth in a frictionless hemispherical bowl of radius R. When the cube is raised to an angle θ and released, the conservation of energy is applied to calculate the cube’s speed at the bottom of the bowl. The cube’s speed is found by dividing the cube’s gravitational potential energy by its mass.

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According to the given statement 11.48 m high is the ride’s highest point relative to this starting point.

Speed is the rate of change of a distance with respect to time. Time-distance is one of its dimensions. The result is that the basic units of time and distance are added to produce the SI unit of speed. The Si system of speed is therefore the m per second (m/s).

The following data were obtained from the question:

The roller coaster weighs 1200 Kg in mass (m).

Initial velocity (u) = 15 m/s.

Final speed (v) equals 0 m/s (at highest point)

Acceleration due to gravity (g) = 9.8 m/s²

Highest point (h) =?

The roller coaster's highest point can be found as shown in the illustration below:

h = u²/2g

h = 15² / 2 × 9.8

h = 225/19.6

h = 11.48 m

Therefore, the highest point reached by the roller-coaster is 11.48 m.

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The combined effect of the capacitor network can be determined by combining the individual capacitances of the capacitors in either a series or parallel configuration.

A capacitor is an electrical device used to store energy in the form of an electric field. It consists of two metal plates separated by an insulating material (dielectric) and is commonly used in both AC and DC circuits. The ability of a capacitor to store and release energy quickly can be used to regulate the current in a circuit and to filter out unwanted signals. Capacitors can also be used to smooth out voltage spikes and to provide a reserve power source.

When capacitors are combined in series, the total capacitance of the circuit is the reciprocal of the sum of the reciprocals of each capacitor:

1/Ct = 1/C1 + 1/C2 + 1/C3

In this example, the total capacitance of the circuit is 0.41 UF. When capacitors are combined in parallel, the total capacitance of the circuit is the sum of the individual capacitances:

Ct = C1 + C2 + C3

In this example, the total capacitance of the circuit is 25.94 UF. This combination of capacitors can be used in various circuits to reduce the total capacitance of the network. For example, in low-pass filter circuits, the total capacitance of the network is reduced by using a combination of series and parallel connections of capacitors. This reduces the time constant of the circuit, which can be used to adjust the cut-off frequency of the filter. Additionally, this combination of capacitors can be used in power supply circuits to reduce the ripple voltage, which is the alternating current component of the voltage output.

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C. can be proven right or wrong

A scientific hypothesis is a proposed explanation for an observation or phenomenon. A valid scientific hypothesis must be testable and falsifiable, meaning that it can be proven right or wrong through the collection and analysis of data. A scientific hypothesis that cannot be tested or disproven is not considered a valid scientific hypothesis. Additionally, a scientific hypothesis should not be based on common sense or intuition alone, as these can be misleading and not always accurate. Rather, it should be supported by evidence and logical reasoning.

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To melt 2 kg of ice 835.48 KJ of heat is required.

Total heat = Heat required to convert 2 kg of ice to 2 kg of water at 0 °C + Heat required to convert 2 kg of water at 0 °C to 2 kg of water at 20 °C.

Heat=mhfg+mCpΔT

Here, m ( mass of ice) = 2 kg

hfg (latent heat of fusion of ice) = 334 KJ

Cp of water (specific heat) = 4.187 KJ/Kg-K

ΔT(Temperature difference) = 20 °C

Therefore, Heat required = 2 x 334 + 2 x 4.187 x (20 - 0 )

Heat reqd= 835.48 KJ

Therefore, to melt 2 kg of ice 835.48 KJ of heat is required

What is heat?

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The radius of B planet is 8.7 x 10^8m calculated based on the Kepler's third law.

The square of a planet's period of revolution around the sun in an elliptical orbit is precisely proportional to the cube of its semi-major axis, according to Kepler's law of periods. A planet's orbits around the sun are accurately described by Kepler's third law in terms of their period and distance.

Kepler's third law:

(TB/TA)^2 = (RB/RA)^3

TB and TA are time taken for B and A respectively.

RB and RA are radius of B and A respectively.

(10/2)^2= (RB^3/27 x 10^24)

RB => 8.7 x 10^8 m

In fact, the total mass of the two bodies involved affects the constant in Kepler's Third Law. Kepler himself dealt only with the Sun-plus-planet 2-body system while researching the motion of the planets around the Sun.

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Answer:

Classical Brownian motion

Explanation:

In liquids, particles are quite close together and move with random motion throughout the container. Particles move rapidly in all directions but collide with each other more frequently than in gases due to shorter distances between particles.

The term “classical Brownian motion” describes the random movement of microscopic particles suspended in a liquid or gas.

The answers include the following:

This is referred to as the average weather condition in a given area over a longer period of time and it is dependent on different factors.

Climate has changed naturally over Earth's history as a result of burning of the fossil fuels like coal, oil and gas which is therefore the reason why true was chosen as the correct choice.

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The statement that describes an unanticipated impact of a technological is that the development of antibiotics allowed people to be treated for bacterial infections, but their overuse has led to strains of bacteria that cannot be killed by available antibiotics.

An antibiotic is a type of antimicrobial substance active against bacteria which is the most important type of antibacterial agent for fighting bacterial infections, and antibiotic medications are widely used in the treatment and prevention of such infections.

Antibiotics are not effective against viral infections and this includes the common cold, flu, most coughs and sore throats.

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a) The intensity at a distance of 3.1 m from the source is 0.00369W/m².

b) 92.8 Ws energy does the source emit in one hour if its power output remains constant.

What is distance ?

Distance is the measure of the space between two points. It can be expressed in a variety of ways, such as kilometers, miles, or even light-years. Distance is an important concept in many areas of mathematics, science, and technology, as it is used to measure the size and/or separation of objects.

a) The intensity of the sound waves at a distance of 3.1 m from the source can be determined using the inverse square law: I = I₀/d²

where I₀ is the initial intensity and d is the distance from the source.

Therefore, the intensity of the sound waves at a distance of 3.1 m from the source is: I = 0.026W/m² / (3.1 m)² = 0.00369W/m²

b) The sound energy emitted by the source in one hour can be calculated using the following equation: E = P × t

where P is the power output of the source and t is the duration of time.

Therefore, the sound energy emitted by the source in one hour is:

E = 0.026 W/m² × 3600 s = 92.8 Ws

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The expression for the distance xm for which the period is a minimum is given by xm = (2πL)/n, where n is an integer greater than or equal to 2.

What does Distance XM mean?

Distance xm refers to a distance measurement in meters. For example, if you see "Distance 500m," this means 500 meters.

Distance xm is also sometimes used to refer to a distance measurement in miles. For example, if you see "Distance 500m," this could mean 500 miles.

What do you mean by  Integer and where is it used?

A whole number (not a fraction) that can be positive, negative, or zero is referred to as an integer. Integers include the numbers -5, 0, 1, 5, and 10. In many areas of mathematics, such as counting, measuring, and calculating, integers are used. They're also used in computer programming, where they're known as data types. Temperatures, dates, times, and money are examples of real-world values represented by integers.

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Answer:

Below

Explanation:

The 7 kg block is pushing UP on the 6kg block to keep it from falling

   force = ma = 6 kg * 9.81 m/s = 58.9 N

The 6 kg block is pushing DOWN on the 7 kg block with an equal but opposite force    58.9 N

(a) The work done by the gas during this stage can be calculated using the equation: W = P * (Vf - Vi) = 3.0 atm * (3.0 L - 1.0 L) = 6.0 L-atm.

(b) The work done by the gas during this stage is zero, since the gas is cooling at constant volume.

(c) The work done by the gas during this stage can be calculated using the equation: W = P * (Vf - Vi) = 2.0 atm * (1.0 L - 3.0 L) = -4.0 L-atm. Note the negative sign indicates work is done on the gas.

(d) The work done by the gas during this stage can be calculated using the equation: W = P * (Vf - Vi) = 3.0 atm * (3.0 L - 3.0 L) = 0 L-atm.

(e) The net work done during the complete cycle can be found by adding up the work done during each stage: Wnet = 6.0 L-atm + 0 L-atm + (-4.0 L-atm) + 0 L-atm = 2.0 L-atm.

A constant pressure cycle is a thermodynamic process where the pressure remains constant while the volume and temperature of the gas change. In such a cycle, the work done by the gas is equal to the change in its volume multiplied by the constant pressure. The PV diagram of a constant pressure cycle is a horizontal line at the constant pressure value, because the pressure does not change. The most common example of a constant pressure cycle is the Otto cycle used in internal combustion engines.

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Answer:

Nothing can be cooled to a temperature of exactly absolute zero. The temperature of an object is a measure of the average random motion energy (kinetic energy) of its atoms. Absolute zero is the temperature at which all of an object's atoms have been brought to a dead stop relative to each other.

Explanation:

When applied to cooling, the question becomes how much work must be done and how large must the cooling reservoir be in order to cool an object to absolute zero (0 Kelvin, -273.15°C, or -459.67°F)? The physicists showed that cooling a system to absolute zero requires either an infinite amount of work or an infinite reservoir.

1. To prepare the body for the vigorous workout. 2. To allow the body to settle down and unwind. What does a well-designed kettlebell workout consist of? 1. Preparation phase: Warm up 2. Main phase: Workout 3. Final phase: Cool down What does the main phase of a workout involve?

A person’s environment can include many settings, including home, work, school, neighborhoods, recreation areas, and social events. If your environment is one in which drugs or alcohol are available and widely accepted, it can have a strong effect on your potential for abuse and addiction. Environmental factors can strongly influence addiction.

The significance is that the area around the sunspot is becoming darker and larger.

What are sunspot and why do they occur?

Sunspots are dark, cooler regions on the surface of the sun that appear dark in contrast to the surrounding brighter regions. They are caused by intense magnetic activity that impairs the flow of heat and energy from the sun's interior. Sunspots are most commonly found near the poles of the sun, and can vary in size from just a few hundred to many thousands of kilometers in diameter. Sunspots can last for days, weeks, or even months depending on their size and activity.

This is significant for us on Earth because sunspots are associated with increased solar activity, which can lead to changes in Earth’s magnetic fields. This can cause geomagnetic storms and additional radiation reaching Earth’s surface, which can disrupt power grids, radio transmissions, and other electronic systems.

Therefore, the sunspot is becoming darker and larger.

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The energy needed for change 10 grams of water is 5.7.

Energy is the ability to perform work in physics. It could exist in several different forms, such as potential, kinetic, thermal, electrical, chemical, radioactive, etc.

Energy is always assigned based on its nature once it has been transmitted. Thus, heat transmitted may manifest as thermal energy while work performed may result in mechanical energy.

Motion is a property of all energy types. For instance, if a body is moving, it possesses kinetic energy. Even while at rest, a tensioned object like a spring or bow has the ability to move; this is because of its design, which includes potential energy.

Therefore, The energy needed for change 10 grams of water is 5.7.

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The plane's acceleration is 3.22 m/s2, and the travel duration is 3.28 seconds. The distance traveled before takeoff is 1720m.

The kinematic equation gives us the distance travelled before to takeoff: d=v 0 t+1/2 at2, where d is the distance prior to takeoff, v 0=0 is the airplane's starting velocity, an is its acceleration, and t is the time.

A plane travels down a runway at 3. 20 m/s2 for 32. 8 seconds before ultimately taking off.

U=0 m/s is the airplane's initial speed.

The plane's acceleration is 3.22 m/s2, and the travel duration is 3.28 seconds.

Distance travelled using a formula S=ut+ 2 1 ​2

⇒ S=0(32.8)+0.5(3.2)(32.8) 2  =1721.3∼ 1720m

The distance traveled before takeoff is 1720m

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The work done in 6 seconds is 66.66J oules.

Work is defined as the energy transferred to or from an object by applying force along a displacement. In its most basic form, work equals the product of force strength and distance traveled for a constant force aligned with the direction of motion.

Given Data

Time = 6 seconds

Power output = 400W

We know that the expression for power is given as

Power = Work*Time

Substituting our given data in the expression for power have

400 = Work*6

Making work subject of formula we have

Work = 400/6

Work = 66.66 Joules

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