The natural tendency of an object to remain at rest or in motion with a constant velocity is called?

The resistance value of the sliding rheostat is 15 ohms.

Resistance is a measure of the opposition to current flow in an electrical circuit. Resistance is measured in ohms.

The total resistance of the circuit can be calculated from the total current in the circuit and the total voltage in the circuit.

R = V/I

R = 50 /2

R = 25 ohms

The resistance value of the sliding rheostat is calculated as follows;

R(rheostat) = 25 ohms - 10 ohms = 15 ohms

Thus, the resistance value of the sliding rheostat is 15 ohms.

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Answer:

1/8

Explanation:

2R is the same as 1D, so you are a full diameter above yhe earth. The diameter of the earth is 12,742km, space starts at 100km so it probably isn't a third or a quarter. it is most likely an 1/8 or 1/9. if I had to guess it would be 1/8

The magnitude of the force is(F)= 0 N.

To calculate the force here we use the formula,

[tex]F= I \times L \times B \times sin\theta[/tex]

Here we are given,

I= The current passing through the wire = 0.60A.

L= The length of the wire= 2.0 m.

B= The magnetic field created by the wire= 0.50T.

[tex]\theta[/tex]= The angle that the wire makes after orientation= 0° (because its orientation is parallel).

We have to find the magnitude of the force = F

Now, we substitute the known values in the above equation,

[tex]F= I \times L \times B \times sin\theta[/tex]

Or, [tex]F= 0.60 \times 2.0 \times 0.50 \times sin (0)[/tex]

Or, F=0

Now from the above calculation we can conclude that, the magnitude of force is 0 N.

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The flux through the paper when the paper is turned 25° with respect to field will be 22.67 [tex]Nm^{2} /C[/tex].

We have a piece of paper is held with one face perpendicular to a uniform electric field the flux through it is 25 [tex]Nm^{2} /C[/tex].

Now we have to calculate the flux through the paper if it is turned 25° with respect to the field.

Electric flux (E) through a surface is defined as the dot product of Electric field vector and Normal vector to the surface. The formula to calculate the electric flux is -

Φ = [tex]\vec{E}.\vec{A}[/tex] = E x A x cosθ

In the question it is given that when one face perpendicular to a uniform electric field the flux through it is 25 [tex]Nm^{2} /C[/tex]. In this case θ = [tex]0^{o}[/tex].

Therefore -

E x A x cos [tex]0^{o}[/tex] = 25

EA = 25 [tex]Nm^{2} /C[/tex]

When the paper is turned [tex]25^{o}[/tex] with respect to field, then the flux through it can be calculated as follows -

Φ = 25 x cos ([tex]25^{o}[/tex]) = 22.67 [tex]Nm^{2} /C[/tex].

Hence, the flux through the paper will be 22.67 [tex]Nm^{2} /C[/tex].

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The word snap was utilized on the grounds that mid year tempests can end heat waves rapidly by acquiring colder temperatures.

Sweltering summer heat waves are on the ascent across the Northern Hemisphere. The ascent is being driven by changes in the air prodded by a warming Arctic, new exploration shows.

Researchers call this cycle the nursery impact. The gases that retain the approaching sun based radiation are called ozone harming substances. Consequently, the nursery impact helps in keeping up with the temperature of Earth during summers and winters.

Researchers arrived at that resolution in the wake of analyzing 35 years of climate information. They detected a decrease in the strength of summer storms. These tempests get welcome alleviation to northern landmasses the type of cool, clammy air.

Wind design changes welcomed on by the quickly warming Arctic debilitated summer storms. The scientists depicted their discoveries online March 13 in Science.

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Answer:

The word snap was used because summer storms can end heat waves very quickly by bringing in colder temperatures.

Explanation:

Edmentum answer

The value of the equivalent resistance for the three resistors connected in series will be the sum of the three values.

To find the answer, we have to know more about the equivalent resistance.

                [tex]R_E=R_1+R_2+..........+R_n[/tex]

               [tex]R_E=R_1+R_2+R_3[/tex]

Thus, we can conclude that, the value of the equivalent resistance for the three resistors connected in series will be the sum of the three values.

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The wavelength of the wave is 23.55 rad/s.

What is a wavelength simple definition?

Wavelength is the distance between identical points (adjacent crests) in the adjacent cycles of a waveform signal propagated in space or along a wire.

Distance b/w one crest and one trough is  λ/2 and b/w two crests or two trough it is  λ.

Therefore from 2nd crest to 6th trough the total distance

                   = 4 λ +  λ /2 => 9 λ/2

that is given as:

9 λ/2 = 24 cm

λ= 16/3 cm

V = w/k => w × λ /2pi => w = 2 × 3.14 × 20 × 3/16 => 23.55 rad/s

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A fixed container containing an ideal gas is heated. The pressure of the gas increases because the molecules move faster.

You can speed up the motion of the molecules in a gas by heating it. The pressure will rise and there will be greater impacts on the container's walls.

The container walls are pressed against by the combined force of the collisions. The energy you provide when you heat the gas makes the gas's particles more kinetically energetic and put more pressure on the container.

As the temperature rises, the pressure must as well since pressure is the force the particles per unit of area exert on the container.

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We will decrease the wavelength of light in order to cause electrons to be ejected from the surface of this metal.

We have a Light of a given wavelength that is used to illuminate the surface of a metal, however, no photoelectrons are emitted.

We have to find out what can we do in order to cause electrons to be ejected from the surface of this metal.

The emission of electrons from the surface of the metal when the light of specific frequency (greater than the threshold frequency) falls over it is called photoelectric effect.

Light consists of photons. The energy associated with the photons is used to emit out the electrons from the surface of metal. We know that - Energy can neither be created nor be destroyed and it can only be transferred from one body to another. Hence, the energy of these moving photons is used to emit electrons from the metal surface. The energy associated with the photon is given by -

E = hμ

Where - μ is the frequency of light an h is Planck's constant.

Now, we can see that the energy of the photon is directly proportional to the frequency of light. The minimum frequency required to eject the electron from the metal surface is called Threshold frequency. Thus, we can emit the electron from the metal surface by using the light of frequency greater than threshold frequency.

Hence, we will increase the frequency of light in order to cause electrons to be ejected from the surface of this metal

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Current in the inductor, I = 100A

Given,

Magnetic potential energy stored, U= 30 joule

Inductance, L = 6.0 H

Therefore, current in the inductor, [tex]I^{2}[/tex]= (2×30×10^3) ÷ 6

                                                           = 2×5×10^3

                                                           = 10×10^3

                                                   [tex]I^{2}[/tex]       = 10000

                                                   I        = √10000

                                                  I        = 100A

Concept:-

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No two electrons in an atom or molecule may have the same four electronic quantum numbers, according to the Pauli Exclusion Principle. Only two electrons can fit into an orbital at a time, hence they must have opposing spins.

According to Pauli's exclusion principle, two electrons cannot share the same orbital and must have anti-parallel or opposite spins. Example: Two bonded electrons in a neutral helium atom achieve the opposite spin to occupy the lowest-energy () states.

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Time period remains the same in both the experiment as change in amplitude does not affect time period.

Time period is given by:

[tex]T = 2\pi \sqrt{\frac{m}{k} }[/tex]

where,

T = time period

m = mass

k = spring constant

From the given formula, we find that the time period is only dependent on mass of the object and spring constant in a simple harmonic motion (SHM). If there is any change in mass of the object or the spring constant, the time period will change accordingly.

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Answer:

60.7 m high

Explanation:

d = v t   +  1/2 a t^2

  = 12 (2.5) + 1/2 (9.81)(2.5^2)  = 60.7  m

The speed of a beam of light will appear the same to all observers.

The exact distance that light travels in a vacuum in a second is 299,792,458 meters (983,571,056 feet). This is roughly 186,282 miles per second, or "c," the symbol for light speed in mathematics.

According to Einstein's theory of special relativity, an object (such as a single photon of light) cannot appear to move faster than the speed of light. This physical rule is not broken by Nemiroff's experiment since the laser pointer emits a stream of photons rather than a single photon.

Nothing can move faster than light in a vacuum, according to one of physics' most revered rules. However, in a recent experiment, this speed restriction was broken when a laser pulse traveled at more than 300 times the speed of light.

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A photon of blue light has a higher frequency and a lower wavelength than a photon of red light.

The wavelength of light is the distance between corresponding points in two adjacent light cycles, and the frequency of light is the number of cycles of light that pass a given point in one second.

Wavelength is typically represented by λ, the lowercase Greek letter lambda, while frequency is represented by ν, the lowercase Greek letter nu

Red light has a wavelength of ~700 nm, and a frequency of ~4.3*[tex]10^{14}[/tex] Hz. Visible light makes up just a small part of the full electromagnetic spectrum.

Wavelength of blue light: 450nm and  frequency of blue light 6.66 * [tex]10^{14}[/tex] Hz

Blue light has higher frequency, shorter wavelength and more energy.

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Approximately 101 N air is in a column 1-cm2 in cross-section that extends from sea level to the top of the atmosphere

The basic level for determining height and depth on Earth is the sea level. The ocean's surface tends to seek the same level since it is one continuous body of water. However, the sea level is never fully level due to winds, currents, river discharges, and changes in gravity and temperature.

At the equator, the radius of the Earth at sea level is 6378.137 km (3963.191 mi). At the poles, it is 6,356.752 km (3,949.903 km), and on average, it is 6,371.001 km (3,958.756 mi). The elevation of the shoreline—the boundary between the ocean and the land—is referred to as sea level. Land that is higher than this altitude is above sea level, and land that is lower is below sea level.

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Potential difference required in an electron microscope to give an electron wavelength of 4. 5 nm will be 0.063 V.

The difference in potential between two points that represents the work involved or the energy released in the transfer of a unit quantity of electricity from one point to the other is called potential difference.

The wavelength of an electron is calculated for a given energy (accelerating voltage) by using the de Broglie relation between the momentum p and the wavelength λ of an electron

lambda = 4.5 nm = 4.5 * [tex]10^{-9}[/tex] m

h = [tex]6.626 * 10^{-34}[/tex]  J s

e = 1.6 * [tex]10^{-19}[/tex] C

m = 9.1 * [tex]10^{-31}[/tex] kg

Energy = eV

lambda = h / [tex]\sqrt{2mE}[/tex] = h / [tex]\sqrt{2m(eV)}[/tex]

[tex](lambda)^{2}[/tex] = [tex]h^{2}[/tex] / (2m (eV))

V = [tex]h^{2}[/tex] / (2 m e  [tex](lambda)^{2}[/tex] )

V  =  [tex](6.626 * 10^{-34} )^{2}[/tex] /  2 * 9.1 * [tex]10^{-31}[/tex] *  1.6 * [tex]10^{-19}[/tex]  * [tex](4.9 * 10^{-9}) ^{2}[/tex]

V = 0.063 V

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The core of each giant planet is made up of rocky materials, which is 5 to 10 times the mass of earth.

To find the answer, we have to know more about the rocky materials.

Thus, we can conclude that, the core of each giant planet is made up of rocky materials, which is 5 to 10 times the mass of earth.

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The correct answer is option B. The maximum height that can be reached by the stone is determined as 11.5 m.

The maximum height attained by the stone when it is a 2/3 of its total height is calculated as follows;

v² = u² - 2gh

where;

0 =  u² - 2gh

2gh =  u²

h =  u²/2g

h = (15²)/(2 x 9.8)

h = 11.48 m

h = 11.5 m

Thus, the maximum height that can be reached by the stone is determined as 11.5 m

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The distance covered by the car before it stops is 98.58 m.

Force acting on the car will be

ma = -mg sinθ

where,

m = mass of the car

a = acceleration of the car

g = acceleration due to gravity

θ = angle of inclination

Given,

θ = 10°

Put the values in the above equation,

ma = -mg sinθ

a = -g sin 10°

a = -10 (0.173)

a = -1.73 m/s²

We know the initial velocity is 18.2m/s and when the car comes to a stop the final velocity becomes zero.

u = 18.2 m/s

v= 0 m/s

Using one of the kinematics equations,

v² - u² = 2as

0 - (18.2)² = 2 (-1.73) (s)

331.24 = 3.36 (s)

s = 98.58 m

Hence, the distance covered by the car before it stops is 98.58 m.

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The answer is t=1.29 seconds.

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Alice's speed relative to the water should be 0.6 m/s in order to target the spot 90 meters south of the starting point on the bank of the other side.

Relative velocity refers to the velocity of an object with respect to another observer.

Velocity is speed in a given direction and is a vector quantity.

There is relative velocity between Alice and the water.

Let Alice's velocity relative to the river be x

Time it will take her to cross the river = 45/x

The displacement of the river in that time is given below as;

Displacement = velocity * time

Velocity of river = 1.20 m/s

time, t = 45/x

d = 90 m

90 = 1.2 * 45/x

90x = 54

x = 54/90

x = 0.6 m/s

Therefore, Alice's speed relative to the water should be 0.6 m/s.

In conclusion, relative velocity is the velocity of one object from the reference point of another object.

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Social inequality, as defined by sociologists, is the unequal distribution of desirable resources, rewards, and positions in a society.

What is social inequality?

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Mathematical order in atomic spectra was discovered by physics pioneers Balmer, Rydberg, and Ritz.

Atomic spectra are defined as the spectrum of the electromagnetic radiation emitted or absorbed by an electron during transitions between different energy levels within an atom.

When an electron gets excited from one energy level to another, it either emits or absorbs light of a specific wavelength. The collection of all these specific wavelengths of the atom in a given set of conditions like pressure, temperature, etc. is the atomic spectra of atoms. There are three types of atomic spectra and they are :

Using the Rydberg formula, it becomes easy to calculate the spectral lines. Following is the formula:

[tex]\begin{array}{l}\frac{1}{\lambda }=RZ^{2}(\frac{1}{{n}’^{2}}-\frac{1}{n^{2}})\end{array}[/tex]

Where,

R is the Rydberg constant (1.09737*107 m-1)

Z is the atomic number

n is the upper energy level

n’ is the lower energy level

λ is the wavelength of light

Spectral series of single-electron atoms like hydrogen have Z = 1.

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Answer:

yes, it is a magnet.

Explanation:

The electrons that are travelling through the wire go in 1 direction allowing it to create a magnetic field around its area.

The conversion of CO2 into the three-carbon sugar G3p is the Calvin cycle's net reaction.

Calvin cycle uses ATP and NADPH, which are created during the light reaction, to decrease atmospheric carbon dioxide in 3C sugar; Three steps can be distinguished in the Calvin Cycle reaction:

Carboxylation: A reaction that is catalyzed by RUBISCO, where RUBIP is the CO2 acceptor, results in the formation of 6 molecules of PGA (phosphoglycerate).

Here, there are 6 molecules with 18 carbons in PGA and 3 molecules with 3 carbons in CO2.

Reduction: One molecule of the output, glyceraldehyde 3 phosphate, is used to create sugar while the remaining five molecules go through regeneration.

Here, one glyceraldehyde-3-phosphate molecule with three carbon atoms is present.

Regeneration: From glyceraldehyde 3 phosphate, CO2 acceptor (RUBIP) is generated.

Here, 3 molecules of RUBIP and 5 molecules of dihydroxy acetone phosphate each have 15 carbons.

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The semiconductor device that produces electric current through the effect is termed as transistor.

To find the answer, we have to know more transistor.

Thus, we can conclude that, the semiconductor device that produces electric current through the effect is termed as transistor.

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15 HP at 240 V is the maximum size of a three-phase, 240-volt motor that can be controlled using a size 2 NEMA contactor

This is further explained below.

Generally, Size 2 NEMA contactors can only handle three-phase, 240-volt motors up to 15 horsepower at 240 volts.

In conclusion, Contactors and motor starters produced by NEMA (National Electrical Manufacturers Association) are graded according to their sizes. These sizes are categorized according to the current and power ratings that they carry.

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Answer:

the relationship between Newton first law of motion and inertia is there are two types of inertia: 1. Inertia of rest

2. Inertia of motion

Newton first law states that the body at rest stays at rest until it is acted by external or unbalanced force that is inertia of rest or body in motion remain in motion unless it is acted by unbalanced force or external force and this is inertia of motion.

Inertia is the tendency of an object to remain at motion or in rest.

Stele is a c) carved stone slab used to mark graves or historical events

It is a stone or wooden slab, generally taller than it is wide, erected in the ancient world as a monument. The surface of the stele often has text, ornamentation, or both. Stela, also spelled stele , plural stelae, standing stone slab used in the ancient world primarily as a grave marker but also for dedication, commemoration, and demarcation.

Stelae were created for many reasons. Grave stelae were used for funerary or commemorative purposes. Stelae as slabs of stone would also be used as ancient Greek and Roman government notices or as boundary markers to mark borders or property lines. Stelae were occasionally erected as memorials to battles.

Today, forms of stele are still used, most often in war monuments.

hence , stele used for carved stone slab used to mark graves or to commemorate historical events.

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