rather than having uniformly-young or randomly-distributed formation ages, the ages of all the oldest solids in the solar system fall with a narrow range near 4.56 billion years. what do we call this phenomenon?

Answer:

yes because if red light was natural then it should cause more damage because that how it is

Answer:

its yes because if red light was natural then it should cause more damage because that how it is

The voltage across the conductor is 500V.

Ohm's law states that the current through a conductor is directly proportional to the voltage across the conductor.

Here,

Current in the conductor, I = 50A

Resistance of the conductor, R = 10 Ω

According to Ohm's law,

V α I

V = IR

V = 50 x 10

V = 500 V

Hence,

The voltage across the conductor is 500V.

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The relationship between the loudness of one's voice during a stressful situation and the measure of their stress level. It asks for the type of measure that the loudness of the voice represents.

The loudness of one's voice during a stressful situation can be considered an indirect measure of their stress level. While it may not provide a precise or quantitative measurement of stress, it can serve as an observable indicator or qualitative measure. Stressful situations can trigger physiological and psychological responses, including changes in vocal expression. Increased loudness of the voice may reflect heightened arousal, emotional intensity, or the attempt to convey distress. However, it is important to note that the loudness of one's voice alone may not provide a comprehensive assessment of their overall stress level, as stress is a complex and multifaceted phenomenon.

To obtain a more accurate measure of stress level, other objective and subjective indicators should be considered. These may include physiological markers like heart rate, blood pressure, or cortisol levels, as well as self-reported measures such as questionnaires or rating scales assessing perceived stress or anxiety. These measures can provide a more comprehensive understanding of an individual's stress level, taking into account a broader range of physiological, psychological, and behavioral aspects. Therefore, while the loudness of one's voice in a stressful situation may give some insight into their stress level, it is important to consider it in conjunction with other measures for a more comprehensive assessment.

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Answer:

Explanation:

Storm severity is considered a density-independent factor because it does not depend on the population size or density of organisms within an ecosystem. Density-independent factors are environmental factors that affect populations regardless of their size or density. Storm severity refers to the intensity and magnitude of storms, including factors like wind speed, precipitation rates, and destructive power.

When a severe storm occurs, it can have profound effects on populations and ecosystems. It can cause physical damage to habitats, such as uprooting trees, destroying nests or burrows, or flooding areas. This physical destruction can directly impact the survival and reproductive success of organisms, leading to population declines or even local extinctions. For example, a severe storm can wipe out a colony of nesting birds, regardless of whether the colony was small or large.

Moreover, storm severity can also indirectly impact populations through its effects on resources and availability. Storms can alter the availability of food, water, or shelter in an ecosystem, affecting the survival and reproductive abilities of organisms. Even if a population has a large density, a severe storm can cause significant disruptions in resource availability, making it challenging for individuals to find the necessary resources for survival and reproduction.

In conclusion, storm severity is considered a density-independent factor because it affects populations and ecosystems regardless of their size or density. The intensity and destructive power of storms can directly impact individuals and habitats, leading to population declines or local extinctions. Additionally, storms can disrupt resource availability, further influencing population dynamics.

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Answer:

d is the correct answer

Explanation:i did this math

Both Gamma rays and Radio waves travel at the same speed when placed in a vacuum.

This is the type of wave of electric and magnetic fields propagating at the speed of light through empty spaces.

All electromagnetic waves such as Gamma rays and Radio waves travel at the same speed which is why option C was chosen.

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Answer:

d) inertia is the tendency of object's to resist changes in its motion

Answer:

Friction, normal force, and weight

Explanation:

If the book slows down, it means that there must be friction acting in the opposite direction of the direction the book is moving in.

Weight is caused by the gravitational pull of the Earth on the book, and normal force is the table pushing the book up because the book is pushing down on the table (3rd law.)

Note that weight and normal force is not the 3rd law action-reaction pair. The pair is the force of the book on the table and the force of the table on the book.

The voltage across the load resistor in the given circuit lies between 11.7V and 11.8V, which is option B.

We can find the equivalent internal resistance of the batteries using the formula Req = (R1 x R2)/(R1 + R2), where R1 and R2 are the internal resistances of the batteries.

Substituting the given values, we get Req = (1Ω x 2Ω)/(1Ω + 2Ω) = 0.67Ω.

Using Kirchhoff's voltage law, we can find the voltage across the load resistor as Vload = (E1/R1 + E2/R2)/(1/R1 + 1/R2 + 1/Rload), where E1 and E2 are the e.m.f. of the batteries and Rload is the load resistor.

Substituting the given values, we get Vload = (12V/1Ω + 13V/2Ω)/(1/1Ω + 1/2Ω + 1/10Ω) = 11.76V.

Therefore, the voltage across the load resistor lies between 11.7V and 11.8V, which is option B.

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The EMF induced in the coil 28.2 millivolts.

The induced EMF in a coil is given by the rate of change of the magnetic flux in the coil.

So, we can write the relation,

E = -NdM/dt

Where M is the magnetic flux and N is the number of turns in the coil while E is the EMF induced in the coil,

E = -NA∆B/∆t

∆B is the change in magnetic field,

A is the area of the coil,

The diameter of the wire is 3 cm turns in the coil is 8 the magnetic field change from 75 Milli Tesla to 25 milli Tesla in 0.05 seconds.

Now putting all the values accordingly,

E = -800π(3/200)²(50/10³)/0.05

E = -28.2mV

So, the EMF induced in the coil is 28.2 millivolts. The negative sign here indicates that the EMF is produced in the opposite nature.

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A particle of mass m makes a one-dimensional elastic collision with another particle initially at rest. the first particle rebounds with 25% of its initial kinetic energy than a) v, v b) 2mv^2 and c) Elastic collion

The velocity of the second particle after the collision is (v2x,v2y)=(v,−v).  From momentum conservation in x-direction

Here x, y represent direction.They are not variable. 1 and 2 represent before and after.

2vm=v1xm+v2xm, we find v1x=v.

From momentum conservation in y-direction

0 =v1ym+v2ym, we findv1y=v.

By energy conservation principle

Before: K=1/2m(2v)^2=2mv^2.

After: K=1/2m(v^2(1x)+v^2(1y))+12m(v22x+v22y)=2mv^2

Therefore, The collision has been elastic.

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Answer:

Because white color reflects back the heat coming from the sun while dull colors absorb the heat.

The light intensity at points A, B, and C can be expressed in terms of I0, which represents the initial intensity of the light.

At point A, the light intensity is equal to I0, as it is at the same distance from the source as the reference point.

At point B, the light intensity decreases with distance from the source. Let's say point B is twice as far away from the source compared to the reference point.

In this case, the light intensity at point B would be (1/2)² times I0, which simplifies to (1/4) times I0.

At point C, the light intensity also decreases with distance from the source. If point C is three times as far away from the source compared to the reference point, the light intensity at point C would be (1/3)² times I0, which simplifies to (1/9) times I0.

In conclusion, the light intensity at point A is I0, at point B is (1/4)I0, and at point C is (1/9)I0.

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The runaway star is farther away from Earth than the sun. the sun is closer to Earth than the runaway star if it seems brighter than the star and the star is 90 times bigger than the sun.

An exceptionally high proper motion, known as a runaway star, is a star that was supposed to have been ejected from a nearby binary system when its companion star exploded supernova. Beyond the Milky Way, these runaway stars seem to be widespread, especially in massive galaxy clusters.

Astronomers have found hundreds of billions of runaway stars in the Virgo cluster. The Milky Way's sun and all of its stars are revolving around its nucleus. Although there are some little local motions within this broader stream of stars, it is largely orderly. Compared to the sun, the runaway star is closer to Earth.

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The core of a highly evolved high mass star, depending on the type of stellar remnant, can be as small as the size of the Earth (for a white dwarf) or as compact as about 10 kilometers (for a neutron star).

The core of a highly evolved high mass star is typically a compact object known as a stellar remnant. There are two main types of stellar remnants that can form depending on the mass of the star: white dwarfs and neutron stars.

A white dwarf is the remnant of a star with a mass up to about 8 times that of the Sun. Its core is about the size of the Earth, which is much smaller compared to the original size of the star.

On the other hand, a neutron star is formed when a star with a mass greater than about 8 times that of the Sun undergoes a supernova explosion. The core of a neutron star is incredibly dense and compact, with a radius typically on the order of 10 kilometers (6.2 miles). Neutron stars are composed primarily of tightly packed neutrons and are extremely massive.

In summary, the core of a highly evolved high mass star, depending on the type of stellar remnant, can be as small as the size of the Earth (for a white dwarf) or as compact as about 10 kilometers (for a neutron star).

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Answer:3 minutes

Explanation:60 miles an hour, 60 minutes in an hour, 1 mile per minute

For the typical utility scale coal or oil-fired electric power plant serving our nation's electric grid, around one-third of the energy in the fuel is converted into electricity.

The rest is wasted in the form of heat and emissions such as carbon dioxide, sulfur dioxide, and nitrogen oxides. The conversion of energy from fuel into electricity in a power plant occurs in several steps. First, the fuel is burned to create heat, which then produces steam. The steam drives turbines, which are connected to generators that produce electricity.

The efficiency of the process depends on a number of factors, including the type of fuel, the technology used in the power plant, and how well the plant is maintained. Most coal and oil-fired power plants have an efficiency of around 33 percent, meaning that one-third of the energy in the fuel is converted into electricity. Some of the most efficient power plants, such as combined cycle natural gas plants, can have an efficiency of up to 60 percent.

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Answer:

Explanation:

A fuse is an electrical safety device built around a conductive strip that is designed to melt and separate in the event of excessive current. Fuses are always connected in series with the component(s) to be protected from overcurrent, so that when the fuse blows (opens) it will open the entire circuit and stop current through the component(s). A fuse connected in one branch of a parallel circuit, of course, would not affect current through any of the other branches.

Answer:

chemical change

Explanation:

Answer:

Explanation:

Average speed is the change in distance of a body/object with respect to time. Speed is expressed by the expression;

Speed = \(\frac{change\ in\ distance}{change\ in\ time}\)

speed ΔV = ΔS/Δt

ΔV = S₂-S₁/t₂-t₁

given S₂ = 50m, S₁ = 40m, t₂ = 5s, t₁ = 4s

average speed = 50-40/5-4

average speed = 10/1

average speed = 10m/s

average speed of the object is 10m/s

Answer:

105.6 KJ

Answer

3.7/5

4

hope this will help you friend.

Hi there!

Angular momentum is equivalent to:

\(\large\boxed{L = I\omega}\)

L = angular momentum (kgm²/s)

I = moment of inertia (kgm²)

ω = angular velocity (rad/sec)

Plug in the given values for moment of inertia and angular speed:

\(L = (0.028)(40) = \boxed{1.12 kgm^2/s}\)

Answer:

Therefore, the work done to lift a 20 kg sack of potatoes of potatoes vertically 6.5 m is 1, 274 J.

The conservation of mass equation for a control volume can be written as:

Rate of mass flow in - Rate of mass flow out = Rate of mass accumulation within the control volume.

This equation represents the principle of mass conservation, which states that mass cannot be created or destroyed within a closed system. In the context of a control volume, which is a specific region of space under consideration, the equation accounts for the mass entering and leaving the control volume as well as any change in mass within the control volume over time.

The rate of mass flow in refers to the amount of mass entering the control volume per unit time, while the rate of mass flow out represents the amount of mass leaving the control volume per unit time. The difference between these two rates reflects the net change in mass within the control volume. If the net change is positive, it indicates mass accumulation within the control volume, and if it is negative, it signifies mass depletion.

By using this conservation of mass equation, engineers and scientists can analyze and predict the behavior of fluid systems, such as fluid flow through pipes or the movement of gases in an enclosed space, while accounting for the conservation of mass throughout the process.

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Answer:

Efficiency in general means How well an object does with respect to its designated purpose for example a battery with Voltage of 10 volts won't exert 10 volts but slightly less due to internal resistance let's say 8V so efficiency will be 8/10 x100 = 80%

Same thing with a machine/engine If an engine is designed to produce 150 horsepower it won't give you the full energy due to part of the energy being dissipated in form of heat due to friction so let's say 145 hp is produced which is 96% efficiency

Answer:

because white pieces of paper have a rough surface that means diffused reflection takes place.

Explanation:

Answer:

Because white sheets of paper have a rough surface, dispersed reflection happens. Therefore, you can't see your face on a white sheet of paper. The picture was lost as a result of the repeated reflections scattering the image's reflecting beams.

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Hope it helps!

Have a good day!