Light can show us that an object is rotating when one side is moving toward us and one side is moving away using:_____.

The energy driving the global water cycle is provided by solar energy.

Solar energy is the term for solar radiation, which has the ability to ignite chemical reactions, produce heat, or create electricity. The total solar energy incident on Earth far exceeds both the present and future energy needs of the planet. This highly diffused source might potentially provide all of the energy required in the future if properly harnessed. Due to its limitless supply and lack of environmental impact compared to the finite fossil fuels coal, petroleum, and natural gas, solar energy is predicted to gain popularity as a renewable energy source in the twenty-first century. Although the Sun is a very potent energy source and sunlight is by far the most abundant energy that Earth receives, the intensity of sunlight at the planet's surface is actually rather low.

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On hoods where sashes open vertically, work with the hood sash in the lowest position.

In the event of a fire, the fume hood sash offers a containment space. It functions as a blast barrier. The sash itself, together with the bypass grill above the sash, controls the fume hood's airflow properties. The sash's position does regulate the air velocity traveling through the fume hood, even if it has no effect on the amount of air passing through the fume hood. Air velocity is another element that affects chemical vapor capture. Raising the sash reduces the capture velocity, allowing vapors to start flowing over the sill and into the room's air.

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1.) When examining technical drawings, conversion of dimensions is crucial knowledge to have. A person with measurement skills may use an object's shape to determine its sides, angles, area, and volume. If he is aware of these factors, he will be able to modify a sketch or design if the need arises.

If someone knows how to convert a measurement to a system that the other person is familiar with, they can do so when working with someone who is unfamiliar with the measuring system.

2.) Units have a crucial role. No meaning is given to numbers without units in scientific computations. For instance, if someone asks a shopkeeper for three rice, the shopkeeper may not grasp what he means, but if he is told that the customer wants three kilograms of rice, the shopkeeper will. Because the value of anything in one system of units may differ from that of the other, you need also be familiar with unit conversion into other systems (Metric, SI). Understanding units in this way can help with numerous issues.

An object or event's attributes are quantified through measurement so that they can be compared to those of other things or occurrences. Therefore, measurement is the process of determining the size or smallness of a physical quantity in relation to a primary reference quantity of a similar kind. The act or system of measuring is referred to as measurement. It can be viewed as a procedure for utilizing numbers to define physical objects. In this post, you can read more about measurement units and conversion.

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When a retailer offers t-shirts in small, medium, large, and x-large, and in 25 colors, the competitive strategy they are using is Variety

A business uses a set of rules and practises known as a competitive strategy to acquire a competitive edge in the market. It is the procedure for choosing and carrying out strategies that enable a company to strengthen its position in the market.

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Potential energy is present in the river water behind a dam.

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When a battery discharges the current exits through the positive terminal at a higher potential than it entered.

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Answer:

d = 2.70 g/mL

Explanation:

search the next one up on go ogle it will give you an answer i promise

By using uniform motion, the acceleration of plane is - 10.45 m/s² .

We need to know about the uniform motion to solve this problem. The uniform motion is the motion of an object which has acceleration applied. It can be determined as

vt = vo + a . t

vt² = vo² + 2a . s

s = vo . t + 1/2 . a . t²

where vt is final velocity, vo is initial velocity, a is acceleration, t is time interval and s is displacement.

From the question above, we know that:

vi = 115 m/s

vt = 0

t = 11 s

By using first equation, we can calculate the acceleration

vt = vo + a . t

0 = 115 + a . 11

11a = -115

a = - 10.45 m/s²

Hence, the acceleration of plane is - 10.45 m/s² .

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The Metonic cycle is a period of almost exactly 19 years after which the lunar phases recur at the same time of the year.

The Metonic cycle is defined as ,235 synodic months is just 2 hours, 4 minutes and 58 seconds longer than 19 tropical years.

In Athens, at 5th century BC, give the cycle to be a whole number of days, 6,940. Using these whole numbers facilitates the construction of a lunisolar calendar.

A tropical year is longer than 12 lunar months and shorter than 13 of them. The arithmetic representation of  12×12 + 7×13 = 235 allows it to be seen that a combination of 12 "short" years (12 months) and 7 "long" years (13 months) will be almost  equal to 19 solar years.

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The unit of the slope is m/s

Given that y = 0.098x + 0.01

According to slope formula, y = mx + c

Slope, m = 0.098

Slope of the line is equal to the velocity of the object in a distance-time graph. Unit of velocity is m/s.

Therefore, the unit of the slope is m/s

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Aerobic metabolism can occur both aerobically (using oxygen), or anaerobically (without oxygen). During aerobic cellular respiration, glucose reacts with oxygen, forming ATP that can be used by the cell.

Through the process of cellular respiration, organisms mix oxygen with food molecules, directing the chemical energy contained in these substances toward life-sustaining processes while excreting carbon dioxide and water as waste.

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According to the statement:

a) speed is equal to 118 km/h in kilometres per hour.

b) yes it is exceeding 90km/h.

The pace at which an object's position changes in any direction is referred to as speed. Speed is defined as the ratio of something like the distance traversed to the time required to cover that distance. . . Speed is a scalar quantity since it just has a direction and no magnitude..

Speed is determined by dividing the distance by the time. Calculating the units for speed requires knowledge of the units for both time and distance.. The units in this example will be meters per second (m/s), since the distance is measured in meters (m) and the time is measured in seconds (s).

(a)s₂= 118.km/h is its speed in kilometres per hour.

1h = 3600s

1km = 1000m

s₂= (33m/s) *[tex]\left(\frac{60 \times 60}{1000}\right)[/tex]

= 118.8km/h

s₂= 118.km/h

(b) yes it is exceeding 90km/h.

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The ratio of deprotonated to protonated histidines is [tex]10^{6.4 - pK_{a} }[/tex] : 1

We know that,

pH = p[tex]K_{a}[/tex] + ( log [ [tex]A^{-1}[/tex] ] / [ HA ] )

where,

[ [tex]A^{-1}[/tex] ] represents deprotonated form

[ HA ] represents protonated form

Given that,

pH = 6.4

pH = p[tex]K_{a}[/tex] + ( log [ [tex]A^{-1}[/tex] ] / [ HA ] )

6.4 = p[tex]K_{a}[/tex] + ( log [ [tex]A^{-1}[/tex] ] / [ HA ] )

[ [tex]A^{-1}[/tex] ] / [ HA ] = [tex]10^{6.4 - pK_{a} }[/tex]

The relationship between pH and p[tex]K_{a}[/tex] shown above is known as Henderson-Hasselbach equation

Therefore, the ratio of deprotonated to protonated histidines is [tex]10^{6.4 - pK_{a} }[/tex] : 1

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Magnetic flux density - It is the force acting per unit current per unit length on a wire placed to magnetic field at right angle.

It is denoted by B

unit of B is tesla (T)

The total no. of magnetic field lines passing through a area is called magnetic flux.

Magnitude of the magnetic flux - It is equal to the area of the surface and having perpendicular direction to the plane of the surface.

Its unit is weber (Wb)

Direction to the magnetic flux density - The direction is north pole to the south pole.

The magnetic field lines are known as lines of magnetic flux.

flux lines are not in direction of force but perpendicular.

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The normal force exerted on the rover when it rests on the surface of the planet be greater is 3,125.22 N.

A normal force is defined as the force that a surface exerts on an object.

N = W

N = mg

where;

Normal force is proportional to the weight of an object be considered.

N = mg

N = 1,063 kg x 0.3(9.8 m/s²)

N = 3,125.22 N

Thus, the normal force exerted on the rover when it rests on the surface of the planet be greater is 3,125.22 N.

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The resistance of the resistor which carries 0.40 a when connected to a 9.0-v battery is 22.5 ohm

Given:

current of resistor = 0.40 A

voltage of resistor = 9.0 V

To Find:

the resistance of the resistor

Solution: Resistance of a resistor with current I and voltage V is defined as the ability of the element to resist the flow of current through it. It's SI unit is V/A or ohm. Ohms () are used to express resistance values. Electricity will flow from high to low when two terminals have an electron difference. That flow is countered by resistance. The current decreases as resistance increases. Conversely, the higher the current, the lower the resistance.

Voltage = Current x Resistance

Resistance = Voltage/Current

Resistance = 9 V/0.40 A = 22.5 ohm

Hence, the resistance of the resistor is 22.5 ohm

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Answer:

approx  33 ft

Explanation:

 One atmosphere of pressure is added per 33 ft of depth

Answer:

heliocentrism, a cosmological model in which the Sun is assumed to lie at or near a central point (e.g., of the solar system or of the universe) while the Earth and other bodies revolve around it.

The ball will take 0.45 seconds to reach the ground

We will use Newton’s laws of motion, so

H= [tex](1/2)gt^2[/tex] taking height= 1m

[tex]1= (1/2) x 9.8 x t^2[/tex]

[tex]t=\sqrt{10/49} = 0.45 seconds[/tex]

The 3 laws of motion given by Newton are as follows:

1) Unless an unbalanced force acts upon it, an item at rest remains at rest, and an object in motion continues to move in a straight line at a constant pace.

2) An object's acceleration is influenced by its mass and the force being applied.

3) Whenever one thing applies force to another, the second object applies the opposing, equal force to the first.

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A point on a standing wave that is always stationary is an antinode.

An antinode is the location where constructive interference of the incoming and reflected waves creates the maximum amplitude of the wave.

Antinodes are points on a stationary wave that oscillate with maximum amplitude.

Nodes are points of zero amplitude and appear to be fixed.

Thus, a point on a standing wave that is always stationary is an antinode.

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The approximate angular separation of the sun and the full moon is 180°

The full moon is opposite the sun in the sky, and rises as the sun sets is may be understand as ,the Moon can be seen in the day light  sky at any phase except for the new moon, when it's invisible to us, and full moon, when it's below the horizon during the day. The crescent through quarter phases are high in the sky during the day, but the daytime gibbous phases can be glimpsed only just before the Sun sets

In the crescent  phase, the lit-up part of the Moon increases from 0.1% to 49.9%. is growing, while crescent refers to the curved sickle shape.

The gibbous moon is the phase of moon in that appears more than half lighted but less than full.

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The final acceleration of the object is 2 m/[tex]s^{2}[/tex].

In this problem,

Applied force(F) = 10 N

The object’s mass (m) is 5 kg.

Having said that,

An object’s force is equal to the product of its mass and the acceleration it experiences as a result of the applied force.

i.e., Mass + Acceleration = Force (a)

F= m×a

Therefore,

A= F÷m

A= (10÷5) m/sec²

A= 2 m/sec²

Consequently, the object’s acceleration,

A=2 m/sec²

Concept of force and acceleration:

This states that the rate of velocity change of an object is directly proportional to the applied force and moves in the direction of the applied force.

It can be expressed mathematically as force (N) = mass (kg) x acceleration (m/s2). Therefore, an object with constant mass will accelerate in direct proportion to the applied force.

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Assuming that the relationship between spring compression and height is quadratic, 2.25m far will the ball go at the highest setting,  compresses the spring 3 cm

The solid height, h1, of an unground spring is (n+1)d, where n is the number of coils and d is the wire diameter (including platings and coating) in inches. The height, h2, of ground but not squared springs is (n-1)d. The solid height, h3, of ground and squared springs is (n-0.75)d

When a spring is compressed, the potential energy is stored in the mechanical bonds between atoms, which may be thought of as little springs. The spring as a whole cannot decompress until it breaks, but little portions may when they fall off. The majority of the stored energy is used to decompress each little component.

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Your body weight is the gravitational attraction between you and the Earth.

Gravity, which means "weight" in Latin, is a basic interaction in physics that causes all objects with mass or energy to attract one another. The electromagnetic force, the weak interaction, and the strong interaction are all significantly stronger than gravity, which is by far the weakest of the four fundamental interactions. As a result, it has no appreciable impact on subatomic particle level phenomena. On Earth, gravity imparts weight to tangible items, and the Moon's gravity creates tides in the oceans. However, gravity is the most important interaction between objects at the macroscopic scale, determining the motion of planets, stars, galaxies, and even light.

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If an electron is detached from an atom, the atom is converted to a positive ion called a(n): Cation

Cations are positively charged ions formed when neutral atoms lose electrons. Chemical elements that are cations include:

The atom is the smallest part of the composition of matter, it is indivisible and is composed of a nucleus that has protons and neutrons, and around the nucleus there are the electrons.

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Answer:

See below

Explanation:

(180 000 - 10) km  /  36 km/s = 4999.7 =~ 5000 seconds = 83 .3 min

The correct answer for chevron pay in cash dividends to common shareholders during the first nine months of 2013 is 5572144100 dollors .

The dividend paid by Chevron foe 9 months of 2013 is $ 5572 millions.

Calculation:

No. Of outstanding shares = 1,921,429,000

Dividend per share = $2.9

Dividend paid = No. of outstanding shares * dividend per share

= 1,921,429,000 * 2.9

= $5,572,144,100

A dividend is a payment made to shareholders in exchange for their investment in a company's equity, and it is usually derived from the company's net profits. When a cash dividend is paid, the funds are transferred to a liability account known as dividends payable.

When the company makes the payment on the dividend payment date, which is usually a few weeks after the ex-dividend date, this liability is removed. Cash dividends and tick dividends have no effect on a company's net income or profit.

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Gases at pressure are released by rockets as they travel towards space. According to Newton's third law, the combustion chamber's exhaust gases push the rocket with an accelerating force known as the thrust.

According to Newton's third law, if an object A pulls on an object B, then object B must exert an equal-sized and opposite-direction force on the first thing directed in the opposite direction. This law illustrates a symmetry in nature whereby forces always occur in pairs and whereby no body can exert a force without also being subjected to one.

Action and response are always equal but always move in the opposite direction, according to Newton's third law of motion. A human walking on the ground, a hammer driving a nail, a magnet attracting a paper clip, and a horse pulling a cart are all examples of Newton's third rule of motion.

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On Neptune, the object weight is 168 newton.

We need to know about the weight to solve this problem. Weight can be measured by multiplying mass with gravitational acceleration. It can be written as

W = m . g

where W is weight, m is mass and g is the gravitational acceleration.

From the question above, we know that the parameter given is:

m = 15 kg

g = 11.2 m/s²

By substituting the parameters, we can calculate the weight.

W = m . g

W = 15 x 11.2

W = 168 N

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