An airplane is delivering food to a small island. It flies 100 m above the ground at a speed of 170 m/s .

The property of the rock that will change if it is transported from the moon to the earth, is the weight.

The weight of an object is directly proportional to the action of gravity on the mass of that object. It can be confirmed with the weight formula:

W = m * g

Where:

By contrast, the mass of an object indicates the amount of matter it contains, it is a constant magnitude.

It is the physical magnitude that expresses the force exerted by gravity on the mass of a body, this is expressed in units of the international system in Newton.

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Answer:   True

Explanation:

When drawing a vector, you should represent the magnitude of the vector by the length of the arrow is true.

What are vectors?
The term "vector" in mathematics and physics is used informally to refer to some values that cannot be stated by a single integer (a scalar) or to certain members of vector spaces. In the past, vectors were first used to represent quantities with both a magnitude and a direction, such as displacements, forces, and velocity, in geometry and physics (usually in mechanics). Similar to how distances, masses, and time are represented by real numbers, these quantities are represented by geometric vectors.

In some circumstances, tuples—finite sequences of numbers with a definite length—are sometimes referred to as vectors.

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The Moon's escape velocity is less than the Earth's escape velocity.

We know that,

[tex]V_{e}[/tex] = √ 2 G M / r

where,

[tex]V_{e}[/tex] = Escape velocity

G = Universal gravitational constant

M = Mass of object

r = Radius of object

For the Moon,

G = 6.67 * [tex]10^{-11}[/tex] N m² / kg²

M = 7.35 * [tex]10^{22}[/tex] kg

r = 1737400 m

[tex]V_{e}[/tex] = √ [ 2 ( 6.67 * [tex]10^{-11}[/tex] * 7.35 * [tex]10^{22}[/tex] ) / 1737400 ]

[tex]V_{e}[/tex] = 2375.89 m / s = 5314.72 mil / hr.

Escape speed is the amount of speed required to escape the object's gravitational pull. The size or mass of the object trying to escape does not matter.

Therefore, the Moon's escape velocity is less than the Earth's escape velocity.

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The amount of energy levels in an electrons are different from element to element.

The atom absorbs or emits light in discrete packets referred to as photons, and every photon has a particular power. only a photon with an energy of precisely 10.2 eV can be absorbed or emitted while the electron jumps among the n = 1 and n = 2 power tiers.

Energy Level Energy

5 -2.176 eV

Some elements with their energy level are given below;

Boron 5 3

Carbon 6 4

Nitrogen 7 5

Energy level is define as every shell has a one of a kind strength degree, growing the further it's far from the nucleus. every energy degree is given a number called the predominant quantum number, n. the closest shell has a price of n=1.

So we can conclude that the amount of energy levels in an electrons are different from element to element.

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The main affect would applying 10x as much force have on the object is the  covering of 10 times more distance as compared to the previous force because the force is 10 times.

If on movable object we apply 10x as much force then the object will move in the forward direct and accelerate more which leads to covering of distance 10 times more because we know that if one newton force is applied the body accelerate to 1 meter per second square so we apply 10 times more force so the body will accelerate 10 times and attain 10 times more distance. So that's why we can say that increasing force will lead to increase distance covered by the body.

So we can conclude that the main affect would applying 10x as much force have on the object is the  covering of 10 times more distance as compared to the previous force because the force is 10 times.

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An ejection seat or ejector seat is a mechanism used in airplanes that is intended to save the pilot or other members of the crew often military personnel in the event of an emergency.

In most designs, a rocket motor or explosive charge propels the seat out of the aircraft, taking the pilot with it.

The seat does allow for escape from the helicopter, albeit more as a tractor rocket system than a genuine ejection seat.

The technique first fires explosive bolts to eject the rotor blades, then ejects the canopies, and finally ejects the crew members using tractors. Seconds later, their parachutes automatically open.

It should be noted the ejector seat is for safety.

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The science and the society are related because the science plays an important role for the development of the society in many shapes like car, watch, medicines, washing machine and many other things.

The science plays a very important role for the development of our societies. The science play a variety of functions for the benefits of our society by creating new knowledge, by improving the education and by also increases the quality of our lives.

The science provides many comforts for our society like making the washing machine makes our lives easier because the washing machine takes less time to wash the cloths than by ordinary method.

The science provide us comfort which is in the shape of car because we can covers a lot of distance in very less time than covering the distance by walking.

So we can conclude that the science and the society are related because the science plays an important role for the development of the society in many shapes like car, watch, medicines, washing machine and many other things.

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Answer:4.2 miles/hour

Explanation:

220 each side = 880 meters total

880/3.5 = 251 is how many meters per minute

multiply by 60 to get per hour

Using black's classification of cavities, decay in the pit and fissures of the occlusal surface of molars and premolars is considered a class one restoration or cavity.

What are cavities?

Cavities can be described as permanently damaged areas in the hard surface of your teeth that develop into tiny openings or holes.

Decay in pits and fissures of occlusal surfaces of molars and premolars, the buccal or lingual pits of molars, and the lingual pits of maxillary incisors are referred to as class one restoration or cavity according to Black's classification of cavities.

Cavities when left untreated can cause more serious complications, like a tooth abscess or an infection that gets into your bloodstream, which may in some cases be life threatening.

The causes of cavities being formed might include bacteria, eating too much snacks, sipping sugary drinks and poor teeth cleaning.

In conclusion, cavities might not have symptoms.

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The Greek philosopher Democritus, but not widely accepted until modern times.

According to history, the concept that all matter is composed of atoms was first proposed by: the Greek philosopher Democritus, but not widely accepted until modern times

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The area of the kitchen counter and the space needed for the microwave oven.

The term "microwave oven" refers to an electric oven that cooks and warms food using electromagnetic radiation with a microwave frequency range. Dielectric heating is used to heat the meal as a result, which allows the polar molecules to rotate and release heat energy. Microwave ovens heat food quickly and efficiently because excitation is rather homogenous in the outer 25–38 mm (1–1.5 inches) of a homogeneous, high water content food item.

A variety of dishes can be cooked in the ubiquitous microwave oven, which can also be used to reheat previously prepared food.

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it's 30 cause you só handsome

Answer:

See below    

Explanation:

The position or displacement (s) of a body is given by

  the original velocity times time - 1/2 acceleration times time ^2

         The minus sign indicates this may be a gravity acceleration (9.81 m/s^2 or   32.2 ft/s^2 ) of a free falling body

   THIS equation also indicates that the INITIAL position,s is equal to zero

the full equation is more like this

sf  = so + vo t + 1/2 a t^2

   sf = final position      so = original position        vo = original velocity

An object is lifted from the surface of a spherical planet to an altitude equal to the radius of the planet. The mass remains the same but the weight of the object decreases.

As the object goes up the surface of a spherical planet, the force of gravity acting on the object decreases.

According to the gravity at height formula:

                            g1 = g (1 – 2h/R)

where g1 is the gravity at height h. R is the radius of the planet and g is the gravity at the planet's surface.

Now,

The weight is directly proportional to gravity. As the object goes up, the gravity decreases and hence the weight also decreases.

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Answer:

Infiltration

Explanation:

If air movement between inside and outside is accidental, we call it infiltration. Approximately two-thirds of U.S. houses, including low-rise condos and townhouses, use forced-air systems to move heating and cooling energy from a central furnace, air conditioner, or heat pump around the house using a duct system.

The forced airflow that takes place by design between the inside and outside a building is known as ventilation.

A building will always experience "air infiltration" in addition to planned ventilation. This is the unplanned or accidental entry of air to it in to a space from openings and fissures in the built environment.

Exfiltration is the phrase used to describe the equivalent loss from air from a confined space. The porosity of the proposed building and the strength of the wind and temperature's natural driving forces both affect how much air penetration occurs.

When the pressures operating across one of these openings are driven by poor weather rather than purposefully created driving forces, vents and other ventilation design-related holes can also become paths for unintended air movement.

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The correct answer is option 4 Schrödinger.

The distribution of electrons within Thomson's model's positively charged region of space quickly earned it the informal moniker "plum pudding," since it reminded many scientists of the raisins—then known as "plums"—found in the traditional English delicacy plum pudding.

Erwin Schrodinger's Electron Cloud Model. With the help of this concept, electrons were no longer pictured as being in a fixed orbit around a central nucleus.

In a series of publications published in 1926, Schrödinger addressed the problem of wave functions and electrons. He utilised mathematical calculations to quantify the probability of finding an electron in a particular position in addition to describing what would later be known as the Schrodinger equation, a partial differential equation that explains how the quantum state of a quantum system varies with time.

This served as the foundation for the Schrodinger equation and the Electron Cloud (quantum mechanical) Model, respectively. The Electron Cloud Model, based on quantum theory, which holds that all matter has qualities related to a wave function, is different from the Bohr Model in that it does not specify the precise route of an electron.

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The option that has the two vertical probes in the proper positions to find the correct value for AT is the first graph.

The Probe cards which are known to be very suited for multi-die testing of general logic products, such as the SoC and microcomputer products, are said to be referred to as vertical-probe.

This is due to the fact that the probe needles are said to be in a vertical positioning to the substrate, the probe card is one that is known as a "vertical-type" probe card.

The option that has the two vertical probes in the proper positions to find the correct value for AT is the first graph.

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See full question below

Which of the following has the two vertical probes in the proper positions to find the correct value for AT?

The magnitude of the force exerted by the electric field on the proton will be 4.80 × 10—¹⁷ N.

The force exerted by the electric field on the electron =

4.80 × 10—¹⁷ N.

The direction of the electric field that is exerting force on the electron = West

The magnitude of the electric field is,

[tex]= \frac{4.80 \times 10 ^{ - 17} }{1.6 \times 10 ^{? - 19} }[/tex]

= 300 N/C

The magnitude of the electric field is 300 N/C.

The magnitude of the force exerted by the electric field on the proton will be,

The magnitude of the force exerted by the electric field on the electron = The magnitude of the force exerted by the electric field on the electron.

[tex]= 4.80 \times 10 ^{ - 17}[/tex]

Therefore, the magnitude of the force exerted by the electric field on the proton will be 4.80 × 10—¹⁷ N.

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The maximum kinetic energy of the mass performing simple harmonic motion is 7.88 joules.

The kinetic energy of any body is the energy possessed by the body due to virtue of its motion is called Kinetic energy.

Given in the question is a mass of 0.1 kg oscillating in simple harmonic

motion. From the question, we can write -

Mass [M] = 0.1 kg

Amplitude [A] = 0.2 m

Time period [T] = 10 s

The Kinetic energy of a Simple harmonic motion is given by -

K.E = 1/2 mω²a²cos²(ωt + Φ)

For maximum kinetic energy -

ωt + Φ = 0

Therefore -

K.E [max] = 1/2 mω²a²

Now -

Angular frequency = ω = 2πT = ω = 2 x 3.14 x 10 = 62.8 s

The maximum kinetic energy will be -

K.E [max] = 1/2 mω²a² = 1/2 x 0.1 x 62.8 x 62.8 x 0.2 x 0.2 = 7.88 Joules

Therefore, the maximum kinetic energy of the mass performing simple harmonic motion is 7.88 joules.

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The process by which eye lens changes its shape to focus the incoming light on retina is called Visual accommodation.

Accommodation - Accommodation is the ability of the eye to change the focal length of the lens by changing its curvature , to see the distant and the nearer object .

To focus on the distant objects - When object is placed at distance, ciliary muscles of eye  get relaxed and pull the suspensory ligament attached to lens ,by this eye lens become thin and focus the distant object on retina.

To Focus on nearby objects - When the object is placed nearby, ciliary muscles of eye get contract and make the suspensory ligament loose , it squeezes the eye lens into a more convex shape and focus the nearby object.

The process by which the lens changes its shape to focus incoming light. so that it falls on the retina is called Visual accommodation.

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The answer is P/4π[tex]r^{2}[/tex] or 1/r2

Radiated power density = S

Radiator = r

S = K/r2

Area of the sphere surrounding the antenna [tex]A_{sph}[/tex] = 4π[tex]r^{2}[/tex]

The total power radiated through a sphere of radius r is

P = [tex]S[/tex][tex]A_{sph}[/tex] = (K/r2)4π[tex]r^{2}[/tex]

               = 4πK≈r°

Therefore,

The total power radiated remains constant with radius

S = P/[tex]A_{sph}[/tex]

  = P/4π[tex]r^{2}[/tex] or 1/r2

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Answer:

the car travels 64 meters.

When food is kept in storage, it has chemical energy as potential. Chemical energy in food is transformed into fuel for our bodies when a person eats it.

Thermal energy, which keeps us warm, is the fuel for our bodies. \

When a human moves, the chemical energy is also transformed into motion. Kinetic energy is the movement.

Because food gives the human body the chemical energy it needs to carry out its daily tasks, the fitness magazine made the comparison between food and a battery in this instance.

The banana is a fruit that contains a lot of carbohydrates and fructose. Because of this, it is a great food to eat before exercise because it gives the muscles the chemical energy they need to perform better both before and after exercise.

The banana is also high in potassium, magnesium, phosphorus, and vitamins a and c, which gives it more strength and energy.

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The net force is F   = k × q0 × q3 / 2×[tex]d_{2} ^{2}[/tex] × (1√2 ^j + 1√2 ^k)N

Coulomb's law states that the electrostatic force of attraction between two charges separated by a distance r, q 1 and q 2, is given by:

F = k (q1q2/r2)

Coulomb's constant k = 9×[tex]10^{9}[/tex] Nm2/Kg2

Location of charge q3: P (0,d2,d2)

By Coulomb's law, the force on charge q0 due to q3 is:

F = k × q0 × q3 / [tex]d_{2} ^{2}[/tex] × [tex]d_{2} ^{2}[/tex] × (1√2 ^j + 1√2 ^ k)

F   = k × q0 × q3 / 2×[tex]d_{2} ^{2}[/tex] × (1√2 ^j + 1√2 ^k)N

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The resultant force on the ball is 50 N.

Reusltant force can be defined as the sum of the force acting on a object.

Note: From the question, the forces from both kicks are at right angle to each other.

And to calculate the resultant force on the ball, we use the formula below.

Formula:

From the question,

Given:

Substitute these values into equation 1

Hence, the resultant force on the ball is 50 N.

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A processor with a clock period of 0.637 ns will have a clock rate of 1.569 Ghz as per the conversion and the calculation made that can be seen below.

The frequency at which a CPU operates is known as the clock rate. It is the clock's frequency or rate expressed in cycles per second (measured in hertz) in any synchronous circuit.

Most people assume that a quicker processor equals one with a greater clock speed, but there are other considerations.

The clock rate can also be defined as the frequency.

So here we can apply the formula

f = 1/T

where f = frequency or Clock rate in Ghz

and T = clock period in ns

Thus, putting the values, we have

f = 1/0.637

⇒ f = 1.569 Ghz

Thus, the clock rate can be calculated as 1.569 Ghz

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The concentration of Hoac and oac in a 0.2 m acetate buffer at ph 5.00 is 0.1178M.

Ka of Acetic Acid= 1.7 x 10^-5.

So pKa= - log (1.7 x10^-5) = 4.7695 ~4.7

But pH= pKa+ log(salt/acid)

pH= 4. 77+log(salt/acid) = 5.00

So, log (salt/ acid) = 5.00- 4.77= 0.23. So, salt/acid= 10^0.23=1.6982.

Therefore, if the concentration of acetate ion (CH3-COO-) is 0.2 M, the concentration of CH3-COOH =0.2/1.6892= 0.1178M

The amount of HOAc molecules and OAc- ions are now both present in the same quantity. The concentration of the H3O+ ion at Point B is equal to the value of Ka for the acid since the ratio of the concentrations of HOAc and OAc- is 1:1.

This gives us a means to calculate an acid’s Ka value.

You’ll need different amounts of buffer, so check with your instructor or the protocol to see how much you’ll need.

The Henderson-Hasselbalch equation, pH = pKa + log (acetate concentration/acetic acid concentration), can be used to calculate the ratio of acetic acid to acetate concentration.

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When you take a glow stick, crack the capsule inside and shake it until it glows, is an example of light energy being transformed from chemical energy

Glow sticks are sticks that contain chemical components inside and when they are mixed, provide a fluorescent glowing effect.

To achieve the reaction, two basic components are needed: the activator (hydrogen peroxide) which determines the intensity and duration of the glow, and a phenyl oxalate ester together with a fluorine dye which gives the color.

At the beginning the fluorescent stick is not active because both liquids are separated, one is inside a sealed glass ampoule and the other is around the small tube, both inside the plastic cover.

When the glow stick is cracked, the glass rod breaks releasing the oxalate, this mixes with the peroxide generating a chemical reaction that is what creates that glows effect.

Chemical energy is the energy that manifests itself in certain chemical reactions where chemical bonds are formed or broken.

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By unit conversion, the rate of change in m/s is 8.17 x 10¯⁴ m/s.

We need to know about the rate of change unit conversion to solve this problem. The unit conversion of rate change can be used to convert a unit to another unit. It can be defined as

a = xb

where a is unit a, b is unit b and x is the constant of conversion.

From the question above, we know that

Q = 0.049 m / min

Convert time unit to second by using the unit conversion (1 min = 60 s) and we get the rate of change

Q = 0.049 m / 60 s

Q = 8.17 x 10¯⁴ m/s

Hence, the rate of change in m/s is 8.17 x 10¯⁴ m/s.

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Answer: velocity

Explanation:

Slope of velocity time graph = acceleration. A change in velocity = a change in acceleration. A constant velocity would mean that there would be no acceleration.

Speed and velocity aren't the exact same thing. Speed is a scalar measurement while velocity is a vector measurement. The speed of an object could be different from its velocity (ex: speed CANNOT be negative while velocity can).

An object can have a constant speed but have a changing velocity.

Answer:

velocity

Explanation:

The definition of accelerate is a change in velocity, even if the speed doesn't, a change in velocity means acceleration.