Ocean waves can be used to generate energy. Ocean waves are considered which type of resource?A. capitalB. nonrenewableC. perpetualD. renewable

When heating this reaction mixture at reflux, the reaction temperature will be maintained approximately at 100C. Thus, C is the correct option.

Heating the chemical reaction for a specific amount of time, while continually cooling the vapour produced back into liquid form, using a condenser is called Reflux. The vapours produced during the reaction above continually undergo condensation, returning to the flask as a condensate.

In general, the temperature of a reflux reaction will depend on the boiling point of the solvent used. If the solvent has a boiling point of 100°C, for example, then the reaction temperature will be maintained at approximately 100°C when the reaction mixture is heated at reflux.

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The lift force is exerted by the air on the propellers is 53100 N

L = lift

W = weight

The term "force" has a clear definition in science. It is quite acceptable to refer to a force of this level as a push or a pull. An object does not "have in it" or "contain" a force. One thing is subject to a force from another. There is no distinction between living and non-living things in the concept of a force.

F = L - W = ma

L = ma + W = ma + mg = m(a + g)

L = (4500 kg) * (2.0 + 9.8) m/s^2 = 53100 N

Hence, lift force is exerted by the air on the propellers is 53100 N

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Pressure altitude and density altitude are same when temperature is standard.

Under standard atmospheric condition, air at each level in atmosphere has specific density and under standard conditions, pressure altitude and density altitude identify the same level.

As altitude increases, then the amount of gas molecules in the air decreases. Air becomes less dense than the air nearer to sea level. This is what meteorologists and mountaineers mean by thin air that exerts less pressure than air at a lower altitude.

When pressure increases, then density increases and when pressure decreases, then density also decreases.

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Both lunar and solar eclipses occur due to the alignment of the Sun, Moon, and Earth, but the specific conditions required for each type of eclipse are slightly different.

For a lunar eclipse to occur, three conditions are necessary:

Full Moon: A lunar eclipse can only occur during a Full Moon when the Moon is on the opposite side of the Earth from the Sun.

Alignment: The Earth, Moon, and Sun must be aligned in a straight line, with the Earth in the middle.

Angle: The Moon's orbit around the Earth is tilted at an angle of about 5 degrees to the Earth's orbit around the Sun. Therefore, for a lunar eclipse to occur, the Moon must pass through the Earth's shadow, which only happens when the alignment is just right.

For a solar eclipse to occur, three different conditions are necessary:

New Moon: A solar eclipse can only occur during a New Moon, when the Moon is between the Earth and the Sun.

Alignment: The Earth, Moon, and Sun must be aligned in a straight line, with the Moon in the middle.

Distance: The Moon's distance from the Earth can affect whether or not a solar eclipse occurs. The Moon's orbit around the Earth is elliptical, meaning that it is not always the same distance from Earth. If the Moon is too far away, it appears smaller in the sky and cannot completely block the Sun's disk, resulting in an annular solar eclipse. If the Moon is closer to the Earth, it appears larger and can fully block the Sun, resulting in a total solar eclipse.

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The Greek mathematician Eratosthenes made measurements to show the size of Earth.

Eratosthenes is famous for his accurate calculation of the Earth's circumference, which he did using measurements of the Sun's angles of incidence at two different locations on Earth. He realized that the difference in the angles of incidence was due to the curvature of the Earth's surface, and he used this information to calculate the Earth's circumference with remarkable accuracy.

This was a significant achievement in the history of science, and it demonstrated the power of mathematical and observational methods in understanding the world around us.

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The total force required to cause an object with a mass of 10kg to gain 5 meters per second every second is 50 Newtons.

Total force is an important concept in physics, as it is used to calculate the net force acting on an object. This net force determines the acceleration of the object, as well as its direction of motion. Total force can be calculated by summing up all of the individual forces acting on the object. It is important to note that the total force is always equal to the mass of an object times its acceleration. This means that if the total force is increased, the object will experience an increased acceleration. Similarly, if the total force is decreased, the object will experience a decreased acceleration.

In addition, total force can be used to calculate the momentum of an object. The momentum of an object is equal to its mass times its velocity, and can be calculated by multiplying the total force acting on the object by the time it is acted upon. Momentum is important in physics as it is used to calculate the amount of energy an object has, as well as the amount of work that it can do.

The total force required to cause an object with a mass of 10kg to gain 5 meters per second every second is calculated as follows:

Total force = Mass x Acceleration

Total force = 10kg x 5m/s2

Total force = 50 Newtons

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According to the question the wavelength in nanometers: 3.8 nm.

A nanometer (nm) is a unit of measurement which is equal to one billionth of a meter. It is often used to measure the size of very small objects, such as atoms and molecules, and is often used in scientific research. Nanometers are often used to measure wavelengths, the size of particles, and the size of viruses. Nanometers are also used to measure the size of features on integrated circuits and microchips.

The wavelength of light with a frequency of 7.8 x 1015 Hz is calculated by using the equation λ = c/f,
where λ is the wavelength,
c is the speed of light (3 x 108 m/s) and f is the frequency.
Plugging in the given values,
we get λ = 3 x 108 m/s / 7.8 x 1015 s-1 = 3.8 x 10-8 m.
Multiplying this result by 10-9 m/nm, we get the wavelength in nanometers: 3.8 nm.

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According to the question the wavelength in nanometers: 3.8 nm.

The wavelength of a wave is used to describe its length. The distance between the crest of one wave and the crest of the next is known as the wavelength. By taking a measurement from the "trough" (bottom) of one wave to the "trough" of the next, the wavelength can also be ascertained.

A wave's length is commonly denoted by the Greek letter lambda (). The ratio of a wave train's frequency (f) and velocity (v) in a medium is its wavelength.

The wavelength of light with a frequency of 7.8 x 1015 Hz is calculated by using the equation λ = c/f,

where λ is the wavelength,

c is the speed of light (3 x 108 m/s) and f is the frequency.

Plugging in the given values,

we get

[tex]\lambda = 3 \times ^m/s / 7.8 \times 10^{15} s-1 \\= 3.8 \times 10^{-8} m.[/tex]

Multiplying this result by 10-9 m/nm, we get the wavelength in nanometers: 3.8 nm.

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Answer:

"To film a documentary segment"

Explanation:

For me its option D, but as the answers are listed here it would be option B. I just took the quiz and got this question right. Have a great day! C :

The acceleration of the plane, assuming it remains constant, is 0.268 g's.

We can start by using the kinematic equation:

v = u + at

where:

v = final velocity = 50.0 m/s

u = initial velocity = 0 m/s (starting from rest)

a = acceleration

t = time = 19.0 s

Rearranging the equation to solve for acceleration:

a = (v - u) / t

a = (50.0 m/s - 0 m/s) / 19.0 s

a = 2.63 m/s²

To express the acceleration in units of g's, we can divide by the acceleration due to gravity:

a(g) = a / g

a(g) = 2.63 m/s² / 9.81 m/s²

a(g) = 0.268 g

Therefore, the acceleration of the plane, assuming it remains constant, is 0.268 g's.

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We can use kinematic equations to solve this kind of problems. Here when the rock is thrown with an initial velocity of 14 m/s from a 30m high tower, the velocity with which the rock hits the ground is 28 m/s.

We can use the distance equation in kinematics to find the velocity when it reaches the ground.

v²-u² = 2aS

v is the final velocity

u is the initial velocity = 14m/s

a is the acceleration, here a= g = 9.8 m/s²

S is the distance travelled = 30 m

v² = u² + 2aS

v² = 14² + 2× 9.8× 30

v² = 784

v = √784 = 28 m/s

So the final velocity is 28 m/s.

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Answer:

The varying Sun-Earth distance and Earth's rotation cause this phenomenon.

Explanation:

Heating of the Earth: A fun fact is that the Earth does not revolve around the sun in a perfect circular path, but instead it revolves in a ellipse path (like an oval shape). This phenomenon would explain Summer and Winter periods. Since the sun is more inclined to one side of the oval, as the Earth gets closer to the same side of the oval, it also gets closer to the Sun, absorbing much more heat, causing higher general temperatures in which we call it Summer. The vice versa could also be explained when the Earth is getting further away from the Sun.

Hours of daylight: We know that the Earth rotates around its axis at an angle of about 23.5 degrees. Now, imagine this. The axis never changes directions no matter the position of the Earth when it revolves around the Sun. During Summer, most continents are directly facing the Sun, projecting more sunlight on a larger surface area. As such, it would take a longer time for the Earth to rotate itself away from the sunlight, causing longer hours of daylight. The vice versa could also be explained when the Earth is further away and generally facing away from the Sun.

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If you think of electromagnetic radiation as a flow of massless particles called photons,

An electromagnetic wave makes up a photon, a small particle. They are both massless and chargeless. They can be compared to a tiny bag of light energy. A quantum, or discrete packet of gas or matter, is an example.

a spectrum of electromagnetic waves. A stream of photons, each carrying energy and flowing at the speed of light, can be compared to electromagnetic radiation, as was stated in the handy guide on the electromagnetic spectrum.

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Forces from left to right based on their relative strengths between two protons located within the nucleus of an atom, from weakest to strongest is Electromagnetism, Weak nuclear force, Strong nuclear force, Gravity.

The four fundamental forces are:

Gravity

Weak nuclear force

Electromagnetism

Strong nuclear force

When considering the strength of these forces between two protons located within the nucleus of an atom, the ranking from weakest to strongest would be:

Electromagnetism

Weak nuclear force

Strong nuclear force

Gravity

The electromagnetic force is responsible for the attraction and repulsion of charged particles, such as protons, and is the force that holds the positively charged protons together in the nucleus of an atom.

The weak nuclear force is responsible for the decay of subatomic particles and is much weaker than the electromagnetic force.

The strong nuclear force is responsible for holding the nucleus of an atom together and is much stronger than the weak nuclear force.

Gravity is the weakest of the four fundamental forces and is responsible for the attraction between massive objects, such as planets and stars. Its strength is negligible at the scale of subatomic particles.

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Question- Following are the four fundamental forces. Rank these forces from left to right based on their relative strengths between two protons located within the nucleus of an atom, from weakest to strongest.

Gravity; weak; electromagnetism; strong

Answer:

Step-by-step explanation to arrange a magnet so that the hoop does the opposite of what it did previously:

1. Place the magnet on a flat surface.

2. Identify the direction that the hoop moved previously (i.e., whether it continued or stopped).

3. Turn the magnet so that the poles are facing in the opposite direction of the previous movement of the hoop.

4. Observe the new movement of the hoop and check if it is doing the opposite of the previous movement.

How did the arrangement of the magnet differ in this case? In this case, the arrangement of the magnet was different because the poles were faced in the opposite direction of the previous movement of the hoop. This change in the direction of the magnet's poles caused the hoop to move in the opposite direction.

The wavelength of a wave with frequency of 101.7 M Hz will be 2.94 meters.

Wavelength can be defined as the distance between the two identical points or adjacent crests in the adjacent cycles of a waveform signal which propagates in the space or along a wire.

Speed of light = Wavelength × Frequency

Speed of light = 3 × 10⁸ m/s

Wavelength of light = Speed of light/ Frequency of light

Frequency = 101.7 × 10⁶ Hz

Wavelength = 3 × 10⁸/ 101.7 × 10⁶

Wavelength = 0.0294 × 10² meters

Wavelength = 2.94 meters.

The wavelength of the wave will be 2.94 meters.

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The pressure indicated by the question mark is systolic pressure. Option 1 is correct.

Systolic pressure is the highest pressure exerted on the walls of the arteries when the heart contracts and pumps blood out into the circulatory system. During each heartbeat, the heart first contracts and pushes blood out of the left ventricle into the aorta, causing an increase in pressure within the arteries.

For instance, in a blood pressure reading of 120/80 mmHg, the systolic pressure is 120 mmHg. Systolic pressure can vary based on factors such as age, physical activity, stress, and overall health. High systolic pressure over time can damage blood vessels and increase the risk of heart disease, stroke, and other health problems.

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--The complete question is, The pressure indicated by the question mark is the __________.

a. systolic pressure

b. mean arterial pressure

c. pulse pressure

d. diastolic pressure--

(a) V = √(2E/C) is the voltage across the capacitor. (b)  If the capacitor discharges 300 J of its stored energy in 2.5 ms, the power delivered during this time is 120,000 watts.

We can use the equation for the energy stored in a capacitor to find the voltage across the capacitor:

E = 1/2 * C * V^2

where E is the energy stored in the capacitor in joules, C is the capacitance in farads, and V is the voltage across the capacitor in volts.

(a) Rearranging the above equation to solve for V, we get:

V = √(2E/C)

We are not given the capacitance or the stored energy of the capacitor, so we cannot determine the voltage across the capacitor without this information.

(b) The power delivered by the capacitor is given by the equation:

P = E/t

where P is the power in watts, E is the energy in joules, and t is the time in seconds.

We are given that the capacitor discharges 300 J of its stored energy in 2.5 ms (0.0025 s). Substituting these values into the equation, we get:

P = 300 J / 0.0025 s = 120,000 W

Therefore, the power delivered by the capacitor during this time is 120,000 watts.

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The specific heat at constant pressure is 0.564 kcal/kg.K. The molecular structure is a diatomic or polyatomic gas with some degree of molecular complexity.

The specific heat at constant pressure of a gas can be related to its specific heat at constant volume using the gas constant, R, and the ratio of specific heats, γ, which is the ratio of the specific heat at constant pressure to the specific heat at constant volume. Specifically, we have:

Cp = γ Cv + R

Using the given specific heat at constant volume, Cv = 0.182 kcal/kg.K, and the gas constant for air, R = 0.287 kcal/kg.K, we get:

Cp = γ Cv + R

= (5/3) × 0.182 + 0.287

= 0.564 kcal/kg.K

Comparing this value to the specific heat at constant volume, we see that Cp is higher than Cv. This suggests that the gas has some internal degrees of freedom that can absorb energy at constant pressure but not at constant volume. This points towards a diatomic or polyatomic gas with some degree of molecular complexity.

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The value 8 oz ≈ 236.588 ml.

There are 29.5735296 milliliters (ml) per ounce (oz). Therefore, the formula to convert oz to ml is as follows:

oz x 29.5735296 = ml

When we enter 8 oz into our formula, we get the answer to "What is 8 oz to ml?"

shown below:

8 x 29.5735296 = 236.5882368

8 oz ≈ 236.588 ml

An ounce is a unit of mass or weight that is commonly used in both the imperial and United States customary systems of measurement. One ounce is equivalent to 1/16 of a pound, or approximately 28.35 grams. In the US customary system, ounces are used to measure both solid and liquid substances, such as food ingredients, medications, and cleaning products.

Ounces are often abbreviated as "oz," and they can be divided into smaller units, such as fluid ounces (used to measure the volume of liquids) and troy ounces (used to measure the weight of precious metals like gold and silver). In some industries, such as the cosmetics industry, milliliters are often used instead of ounces. Understanding the concept of ounces is important in many areas of daily life, including cooking, baking, and shopping.

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Exploding stars make mostly gamma-rays and X-rays, so I would observe these wavelengths.

option A.

When a star explodes, it releases a large amount of energy in various forms, including light. This light can be observed across the electromagnetic spectrum, from gamma-rays and X-rays to visible light, infrared, and radio waves. However, the most energetic and powerful radiation emitted by an exploding star is typically in the form of gamma-rays and X-rays.

Gamma-rays have the highest energy and shortest wavelength in the electromagnetic spectrum, while X-rays have slightly lower energy and longer wavelengths. By observing these wavelengths, astronomers can detect the high-energy processes associated with the explosion, such as the acceleration of particles to near-light speeds and the emission of jets of matter and radiation.

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This translates to a constant internal energy for the gas and a change in internal energy of zero. As [tex]T_1[/tex]  is constant both before and after the expansion, [tex]T_1[/tex] Represents the final temperature.

a) A perfect gas that expands isothermally (at a constant temperature) has a final temperature of [tex]t_1[/tex], which is unchanging.

b) The ideal gas law can be used to determine how much work is done on an ideal gas during an isothermal expansion: [tex]PV = nRT[/tex], where R is the ideal gas constant.

The volume difference is calculated as [tex]V2 - V1 = 2V1 - V1 = V1[/tex]. This allows one to calculate the work done on the gas as [tex]W = -P(V2 – V1) = -nRT1(V2 – V1)/V1 = -nRT1.[/tex]

c) During an isothermal expansion, the heat energy delivered to the gas is equal to the work performed on it, hence [tex]Q = W = -nRT1.[/tex]

Therefore, It signifies that the gas's temperature stays constant throughout the expansion when an ideal gas expands isothermally.

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The value of charge q on an equipotential surface that surrounds a point charge is calculated to be 12.52× 10⁻⁹ C.

The expression to find out electric potential at a distance r is given by,

v = k q /r

where,

v is electric potential

q is charge

r is distance

k is coulomb's constant (9 × 10⁹ Nm²/C²)

Electric potential is given as 490 V.

Area is given as 1.1 m². The expression for area is A = 4 π r².

Making r as subject, we have,

Radius r = √(A/4π) = √(1.1/4π) = √0.087 = 0.23 m

To find out charge, let us make q as subject,

q = v r / k = (490 × 0.23)/(9 × 10⁹) = 12.52× 10⁻⁹ C

Thus, the charge on an equipotential surface that surrounds a point charge is calculated to be 12.52× 10⁻⁹ C.

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The area of its primary mirror determines the light-gathering power of a telescope. The larger the mirror, the more light it can collect; thus, the brighter and more detailed the image produced.

The area of a circle is calculated as A = πr^2, where A is the area and r is the circle's radius. Since the diameter of the primary mirror is given, we can calculate the radius by dividing it by 2.

The radius of telescope A, with a diameter of 20 cm, is 10 cm. Therefore, the area of its primary mirror is:

A = πr^2 = π(10 cm)^2 = 100π cm^2

For telescope B, with a diameter of 100 cm, the radius is 50 cm. Therefore, the area of its primary mirror is:

A = πr^2 = π(50 cm)^2 = 2500π cm^2

Comparing the two areas, we can see that telescope B has 25 times more light-gathering power than telescope A:

(2500π cm^2) / (100π cm^2) = 25

So, even though the diameter of telescope B is only 5 times larger than that of telescope A, its light-gathering power is 25 times greater.

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1. Heat = 3 kg x 900 J/kg°C x (95°C - 40°C) = 27000 J.

2. Change in Temperature = 780 J / (4.1 kg x 385 J/kg°C) = 2.02°C.

3. Specific Heat Capacity = 15686 J / (1.1 kg x (47°C - 16°C)) = 1479.2 J/kg°C.

4. Heat = 0.778 kg x 4186 J/kg°C x (94°C - 26°C) = 200508 J.

5. Sample 3 has the highest specific heat capacity because it has the    greatest temperature change for the same amount of heat applied.

Energy is the ability to do work, or the capacity to produce an effect. It can be classified into two main forms — kinetic energy, which is the energy of motion, and potential energy, which is stored energy due to an object's position or state.

1: The amount of heat needed to raise the temperature of a 3 kg sample of aluminium from 40°C to 95°C is 27000 J.

This can be calculated by using the formula: Heat = Mass x Specific Heat Capacity x Change in Temperature.

Therefore, Heat = 3 kg x 900 J/kg°C x (95°C - 40°C) = 27000 J.

2: The temperature change of a 4.1 kg sample of copper when 780 J of energy is applied is 2.02°C.

This can be calculated by using the formula: Change in Temperature = Heat / (Mass x Specific Heat Capacity).

Therefore, Change in Temperature = 780 J / (4.1 kg x 385 J/kg°C) = 2.02°C.

3: The specific heat capacity of iron is 1479.2 J/kg°C.

This can be calculated by using the formula: Specific Heat Capacity = Heat / (Mass x Change in Temperature).

Therefore, Specific Heat Capacity = 15686 J / (1.1 kg x (47°C - 16°C)) = 1479.2 J/kg°C.

4: The amount of heat removed to lower the temperature of a 0.778 kg sample of water from 94°C to 26°C is 200508 J.

This can be calculated by using the formula: Heat = Mass x Specific Heat Capacity x Change in Temperature.

Therefore, Heat = 0.778 kg x 4186 J/kg°C x (94°C - 26°C) = 200508 J.

5: Sample 3 has the highest specific heat capacity because it has the greatest temperature change for the same amount of heat applied. This means that Sample 3 requires more energy to increase its temperature than Samples 1 and 2, thus indicating that it has the highest specific heat capacity.

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Speed describes how fast an train is moving, while velocity describes how fast an train is moving in a specific direction.

Speed is a scalar quantity that refers to the magnitude of an object's displacement per unit time. It is expressed in units of distance per unit time e.g. meters per second, miles per hour, etc..

Velocity, on the other hand, is a vector quantity that refers to both the magnitude and direction of an object's displacement per unit time. It is expressed in units of distance per unit time in a specific direction.

When two trains are traveling at the same speed but in different directions, they have different velocities. The velocity of a train traveling in one direction will be positive, while the velocity of a train traveling in the opposite direction will be negative. This difference in direction is what distinguishes velocity from speed.

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Fluid ounces (fl oz) and liters (L) are units of volume, with the former being more commonly used in the United States and the latter being more commonly used in most other parts of the world.

To convert from fluid ounces to liters, you can use the following conversion factor:

1 fl oz = 0.0295735 L

Volume is the measure of space occupied by an object or substance. It is expressed in different units depending on the system of measurement used. In the International System of Units (SI), the standard unit of volume is cubic meters (m³). However, in practical situations, other units are commonly used.

In the metric system, liters (L) and milliliters (mL) are used as units of volume. A liter is equal to one cubic decimeter (1 dm³), while a milliliter is one-thousandth of a liter. In the US customary system, fluid ounces (fl oz), cups (c), pints (pt), quarts (qt), and gallons (gal) are used. One fluid ounce is equal to 29.5735 milliliters, while one gallon is equal to 3.78541 liters.

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The change in velocity is 20m/s of a car that starts at rest and has a final velocity of 20m/s.

Rearranging the equation to solve for a, we get:

a = (v - u) / t

Plugging in the values, we get:

a = (20 m/s - 0 m/s) / t

Now, we need to know the value of t to calculate the acceleration. If we assume that the car takes 5 seconds to reach its final velocity, we get:

a = (20 m/s - 0 m/s) / 5 s

a = 4 m/s^2

Now, we can use the first equation to calculate the distance traveled:

s = (v^2 - u^2) / 2a

s = (20 m/s)^2 / (2 x 4 m/s^2)

s = 50 m

Therefore, the change in velocity is:

v - u = at

v - 0 m/s = (4 m/s^2) x 5 s

v = 20 m/s

Velocity is a vector quantity that measures the rate of change of displacement with respect to time. It is defined as the speed and direction of a moving object. Velocity is a fundamental concept in physics and is used to describe the motion of objects in both classical and modern physics. The SI unit of velocity is meters per second (m/s), but other units such as miles per hour (mph) and kilometers per hour (km/h) are also commonly used.

Velocity can be positive, negative, or zero, depending on the direction of motion. Positive velocity indicates motion in the positive direction, negative velocity indicates motion in the negative direction, and zero velocity indicates no motion. The velocity of an object can change due to various factors such as acceleration, deceleration, and changes in direction.

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100°F is equivalent to 310.93 K.

Temperature is a measure of the average kinetic energy of the particles in a substance. Temperature conversion is the process of converting a temperature measurement from one unit to another. The most common units for temperature measurement are Celsius (C) and Fahrenheit (F).

Temperature conversion from Fahrenheit to Kelvin can be done using the following formula:
K = (F - 32) × 5/9 + 273.15

Where K is temperature in Kelvin and F is temperature in Fahrenheit.
So, to convert 100°F to Kelvin:

K = (100 - 32) × 5/9 + 273.15

K = (68) × 5/9 + 273.15

K = 37.78 + 273.15

K = 310.93
Therefore, 100°F is equivalent to 310.93 K.

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Answer:

Longitudinal wave

Explanation:

Longitudinal waves go up and down. Transverse waves are compression waves.

If you scan all the keepers, players can gain a deeper understanding of the game's lore and the larger story arc that unfolds throughout the Mass Effect trilogy.

If you scan all the keepers in the original Mass Effect game, it will unlock an achievement called "Scholar". Scanning all the Keepers is not required to complete the main story or any side missions, but it provides additional lore and backstory to the game's world and its inhabitants.

In the game's story, Keepers are a type of insect-like creatures that maintain the Citadel, a massive space station that serves as the central hub of galactic civilization. Scanning each Keeper reveals additional information about their behavior and physiology, and also uncovers a hidden signal that is being transmitted by the Keepers. This signal is later revealed to be part of a larger plot involving the reapers, a highly advanced and ancient race of machines that periodically wipe out all organic life in the galaxy. The Keepers are revealed to be under the control of the Reapers, and their signal is a key part of their plan to launch a massive invasion of the galaxy.

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