F= 10k F2 12k F3 = 18k Problems analytical solutions using force components. check graphically 2.9 three members of a truss frame into a steel gusset plate as shown. all forces are concurrent at point o. determine the resultant of the three forces that must be carried by the gusset plate.

Any of a clear glass plate, metal plate or brown paper can be stuck into the circle to help people notice the door (option D).

A glass door is a door made of glass, usually in a wood or metal frame.

Glass doors are a gorgeous way of opening up a home to create more visual space and brighten up any room. Letting in natural light not only looks beautiful, but helps to save on electricity as well.

Toughened glass doors provide a safe, sturdy and stylish solution for interior doors in your homes or offices.

Glass doors are an especially nice option for homeowners with pets, particularly cats or dogs who like to look outside and watch the natural wildlife roam about.

According to this question, the above image shows glass doors that fit into many offices. However, sometimes, people in a hurry may not see them and bang into them.

Therefore, option D is the best and correct option.

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Answer: cold or hot

Explanation:

As the solid is turned into gas, energy would be added to the solid.

We know that the heating curve has to do with the diagram that shows the way and manner in which the temperature of a body changes as it is converted from solid to gas.  We know that heat is that kind of energy which is able to cause the temperature change of a body.

There are stronger intermolecular interactions that holds the substance together in the solid state than there is in the liquid state. The implication of this is that more energy must be supplied so as to break these strong interactions and take the substances from solid to gas.

In the gaseous state, there is minimum intermolecular interactions and the particles of the substance are moving freely.

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The neurons typically include enzyme precursors. A chemical substance that block a neurotransmitter's activity is constantly present in neurons.

These substances are released by the postsynaptic neurons' receptor cells, which then take them in and bind them. The following techniques can be used to limit neurotransmitter activity:  Excitatory, inhibitory, and modulatory neurotransmitters make up the list of neurotransmitters. The potential for action of a target cell is increased by excitatory neurotransmitters. By promoting cell relaxation, inhibitory neurotransmitters reduce the potential activity of a receptor cell. Therefore, improper glutamate neurotransmission plays a role in the emergence of epilepsy as well as cognitive and affective disorders. The inhibitory neurotransmitter serotonin (5-hydroxytryptamine, 5-HT) has been discovered to play a crucial role in mood and emotion.

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The ranking in the order of increasing velocity is D, C, E, A =F, B.

We know slope of a position time graph gives the value of velocity.

An upward slope gives positive velocity and a downward slope gives negative velocity.

slope m = position/time = velocity

Slope is negative at points D and C, but is more negative at D.

Positive slopes are at points A,E,F,B.

If we look at the slopes, we can easily say that slopes are zero at A and F and is maximum positive at B.

So, we have ranking in order of increasing velocity as D C E A=F, B

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Answer:

To calculate the amount of work required for an 80kg firefighter to run up a 21.5m in 60s, we first need to determine the force required to lift the firefighter up the 21.5m. Because the firefighter is running, we can assume that their body is moving at a constant speed, so the force required to lift them is equal to their weight, or 80kg.

Next, we need to calculate the distance over which the force is applied. In this case, the firefighter is running up a 21.5m flight of stairs, so the distance is 21.5m.

Finally, we need to determine the time over which the force is applied. In this case, the firefighter runs up the stairs in 60s, so the time is 60s.

To calculate the amount of work required, we use the formula W = F * d, where W is the work, F is the force, and d is the distance. Plugging in the values we determined above, we get:

W = 80kg * 21.5m = 1720kgm

Therefore, the amount of work required for the firefighter to run up the stairs in 60s is 1720kgm.

The amount of work required for the firefighter to run is 5.2 J.

Kinetic energy is defined as the energy acquired by a body by virtue of its motion.

Here,

Mass of the firefighter, m = 80 kg

Distance to be covered by the firefighter, d = 21.5m

Time taken by the firefighter, t = 60 s

So, velocity of the firefighter,

v = d/t

v = 21.5/60

v = 0.36 m/s

The amount of work required for the firefighter to run is equal to his kinetic energy.

Therefore, kinetic energy of the firefighter,

KE = 1/2 mv²

KE = 1/2 x 80 x(0.36)²

KE = 5.2 J

Hence,

The amount of work required for the firefighter to run is 5.2 J.

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In circular motion, an object is constantly changing direction, so its acceleration is always directed towards the center of the circle. This type of acceleration is called centripetal acceleration.

The net force acting on the object is also directed towards the center of the circle and is called the centripetal force. The magnitude of the centripetal acceleration and the centripetal force depend on the speed of the object, the radius of the circular path, and the mass of the object. They can be calculated using the following formulas:

Centripetal acceleration (a):

a = v^2/r

where v is the speed of the object, and r is the radius of the circular path.

Centripetal force (F):

where m is the mass of the object.

So, if the speed of an object is changing while it is rotating in a circular motion, the direction of the acceleration and the net force acting on the object will always be towards the center of the circle. The magnitude of the acceleration and the force will depend on the speed, radius, and mass of the object.

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The duration of the ball's contact with the ground cannot be calculated without knowledge of mass.

We see mass in everything around us. For instance, objects like a table, chair, bed, football, glass, and sometimes even air have mass. All items have mass, which determines whether they are light or heavy.

An object's mass is determined by how much matter it has. Anything that has more substance will weigh heavier overall. For instance, because an elephant contains more stuff than a mouse does, it has a heavier mass. However much matter an object contains is not determined by  size.

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Chromosome abnormalities, Multifactorial genetic inheritance disorders, Single-gene inheritance diseases, and Mitochondrial genetic inheritance disorders are the four primary categories.

In the US, the most prevalent and lethal genetic disease is cystic fibrosis (CF). In the US, the illness affects about 30,000 people.

inherited disorders. Sickle cell illness. Cystic fibrosis Fibrosis Cystic a liver condition. brain, spine, and nerves. genes moving from one chromosome to another due to deletions, which are missing sections of chromosomes (called a translocation) damage to chromosomes (changes in the number or structure of complete chromosomes, the structures that make up chromosomes) or an additional or missing chromosome caused by gene mutations and environmental factors.

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It is possible to see a distinctive pattern of brilliant and dark fringes when monochromatic light reaches a distant screen through two small apertures. By superimposing overlapping light waves coming from the two slits, this interference pattern is produced.

On the lit screen, the intensity pattern that results is determined by the superposition principle. When an integral number of wavelengths (0,, 2,...) is equal to the difference in routes from the two slits to a spot on the screen, constructive interference occurs.

The concept of superposition, The most critical concept in interference is the superposition principle.

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Saturn is the following planet or moon, and its atmosphere is primarily made of hydrogen with a small amount of methane.

The correct answer is B

The planet Saturn is incredibly large and its rings make it incredibly gorgeous. Amazing moons as Titan reside there as well. The Solar System's Saturn is arguably the most popular and stunning planet. Compared to the rings of other planets, Saturn's are much larger and easier to see.

Then, only a year ago, researchers found a second Earth-like planet around Proxima Centauri, one of our nearest nearby stars. The best option we now have for maintaining human life is this planet.

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That system now has 150 Joule more energy overall. The apt response is choice (1)

Given that a 15 newton external force exerts 150 joules of work on a system in 20 seconds

The system's momentum is equal to its impulse.

This is,

Ft = mV

15 x 20 = mV

mV = 300 Ns

Since energy equals labour,

W = 1/2mV x V

150 = 0.5 x 300V

V = 1 m/s

With this, we can determine the distance traveled and the acceleration.

Using the first law of motion,

V = u + at

1 = 0 + 20a

a = 1/20

a = 0.05 m/

utilizing linear motion's third equation.

= + 2aS

All parameters are substituted in the equation.

= 0 + 2 x 0.05 S

S = 1/0.1

S = 10 m

The taskdone = Force x distance

The work done = 15 x 10

The work done = 150 Joule.

Therefore,  the total energy of that system increases by 150 Joule.

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The cutoff wavelength calculation formula is  λ = c/f.

The cutoff wavelength is the lowest wavelength at which light may cause electrons on a metal plate to become free.

The shortest wavelength of light that will not cause electrons to be emitted from a metal surface is the cut-off wavelength, sometimes referred to as the threshold wavelength. If no electrons are released, the light's wavelength must be below the threshold wavelength.

The wavelength at which the power level of the Higher Order Modes has decreased by 19.3 dB in comparison to the level of the Fundamental Mode is known as the Cut-off Wavelength (strictly speaking this is true only for the Second Order Mode).

The formula to calculate cutoff wavelength is λ = c/f

where λ is the wavelength of light

c = speed of light

f = frequency of light

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0.3 m/s is the speed of a wave with a wavelength of 3m and a frequency of 0.1 HZ.

Wavelength and frequency are both correlated with wave speed. The distance between the respective points of two consecutive waves is known as the wavelength. The number of waves passing at a specific spot at any given time is known as the wave frequency. Consequently, the equation below illustrates how three components are connected.

Wave speed = Wavelength x Wave frequency

given:

wavelength = 3 m

frequency = 0.1 Hz.

So, the wave speed is

Wave speed = 3 x 0.1 = 0.3m/s

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The wavelength of a wave traveling along a string can be calculated using the following formula:

What is wavelength?

Wavelength is the distance between two consecutive points of the same phase on a wave. It is the distance traveled by a wave in one period (the time it takes for the wave to complete one cycle). The wavelength is usually denoted by the Greek letter lambda (λ).

wavelength = speed of wave / frequency

The speed of a wave traveling along a string is equal to the square root of the tension in the string divided by the mass per unit length of the string. If you know the tension in the string and the mass per unit length of the string, you can use the following formula to calculate the speed of the wave:

speed of wave = sqrt(tension / (mass per unit length))

Once you have the speed of the wave, you can use the formula above to calculate the wavelength.

Alternatively, if you know the length of the string and the frequency of the wave, you can use the following formula to calculate the wavelength:

wavelength = length of string / number of waves

In this case, the number of waves is equal to the frequency of the wave multiplied by the time it takes for one wave to pass a fixed point.

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Speed is distance over time, so v = λ / T. The frequency, f, is 1/T, so the equation relating wave speed, frequency, and wavelength is v = f λ . where µ = m / L is the string's mass per unit length.

What is wavelength?

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Transversal class 7 is a type of math class that focuses on developing skills related to problem solving, logical reasoning, and critical thinking. It usually covers topics such as algebra, geometry, statistics, probability, and calculus.

Transversal class 7 is a type of math class that is designed to help students develop their problem-solving, logical reasoning, and critical thinking skills. It typically focuses on several topics such as algebra, geometry, statistics, probability, and calculus. Students learn to apply the principles and concepts of these topics to solve problems. They also develop strategies for approaching difficult problems and are encouraged to think outside the box. Transversal class 7 is an important class for students to take as it can help them develop skills that they will use throughout their academic and professional lives. It also helps to prepare them for higher level math classes such as calculus and linear algebra.

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The index of refraction of the glass at a wavelength of 589 nm is approximately 1.58

To determine the index of refraction of the glass at a wavelength of 589 nm, we can use the formula:

where n is the index of refraction, c is the speed of light in a vacuum (which is approximately 3 x 10^8 m/s), and v is the speed of light in the glass.

Plugging in the values provided, we get:

n = 3 x 10^8 m/s / 1.90 x 10^8 m/s

  = 1.58

This means that the index of refraction of the glass at a wavelength of 589 nm is approximately 1.58. The index of refraction is a measure of how much the speed of light is reduced when it travels through the glass, so a higher index of refraction indicates that light travels more slowly through the glass.

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The velocity of each good kids are:

The velocity of each good kids can be obtained as illustrated below:

For Brooklyn

Velocity = distance / time

Velocity = 2800 / 373

Velocity = 7.5 m/s

For Ava

Velocity = distance / time

Velocity = 2800 / 363

Velocity = 7.7 m/s

For Jadya

Velocity = distance / time

Velocity = 2800 / 357

Velocity = 7.8 m/s

For Bri

Velocity = distance / time

Velocity = 2800 / 333

Velocity = 8.4 m/s

For Gabby

Velocity = distance / time

Velocity = 2800 / 408

Velocity = 6.9 m/s

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The post collision speed of the Mazda Miata and the  pick up truck  as they slide across the ice are respectively 6.36 m/s and 5.64 m/s.

An elastic collision is one in which the system does not experience a net loss of kinetic energy as a result of the collision.

Given that masses of the  Mazda Miata and the pick-up truck are respectively 976.0 kg  and 3178.0 kg.

Pre-collision speed of Ima = 12.0 m/s.

As the collision is elastic in nature,

The post collision speed of the Mazda Miata =

{(976.0 - 3178.0)/(976.0 - 3178.0)} × 12.0 m/s

= - 6.36 m/s.

The post collision speed of the pick up truck =

{(2×976.0)/(976.0 - 3178.0)} × 12.0 m/s

=5.64 m/s.

Hence, the post collision speed of  the two entangled cars  as they slide across the ice are respectively 6.36 m/s and 5.64 m/s.

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Frequency gives the number of unique purchases and monetary calculates the amount of money spent.

Frequency, in physics, is the number of waves that pass fixed point in unit time; also, the number of cycles or vibrations undergone during one unit of time by a body in periodic motion.

What is frequency?

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Pons, Fourth ventricle, Choroid plexus, Medulla oblongata, Anterior lobe, Arbor vitae, cerebellar cortex Posterior lobe, Folia are parts of brain.

Pons which is one of structure of the brain stem, which helps in the passage of pyramidal tract which is descending tract or corticospinal tract

Fourth ventricle

One of major ventricle of the brain which is filled with the cerebrospinal fluid which is formed from the choroid plexus of the ventricles, which is located near the cerebellum and pons and medulla oblanagata

Choroid plexus

A network of the blood vessels in the each ventricle here it is in the fourth ventricle major function is the production of the cerebrospinal fluid.

Medulla oblongata

one of structures in the brain stem along with Pons and midbrain, which vital centers they are : cardiac , respiratory centres which regulates their functions, labelling in the left side of the Diagram from top to bottom.

Arbor vitae

Which is cerebellar white matter Branching and appearance as tree which brings sensory and motor information to and from cerebellum cerebellar cortex

Cerebellar cortex is the portion of the cerebellum separated from the Posterior lobe by the primary fissure, helps in the mediating the unconscious proprioception

Posterior lobe

which is another lobe of the Cerebellum separated from the anterior lobe by the primary fissure helps in the fine motor coordination

Folia :

The Cerebellar cortex is deeply grooved and appears as thin transverse leaves called folia, which Increases the surface area of Cerebellum thereby increase the cell number.

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Changes using the SET UP menu and indicates the notation used to show a value. On the screen, N1 is shown as "NORM1," and N2 as "NORM2." An angular unit indicator is DEG, RAD, or GRAD. BUSSY: Shows up while performing  calculation.

Any constant that can be used in place of c1 to determine whether an answer is correct. The format ck is used to express constants, where c is any constant and k is an additional iteration of the constant that can range from 1 to 255.

Only the C and CE functions on a calculator have the potential to be a little confusing when used. A way is both buttons. The C (clear) button will clear all input to the calculator, whereas the CE (clear entry) button will clear the most recent entry.

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The velocity component of x is (v a)x = 3.97 ft/s, the velocity component of y is (v a)y = 3.29 ft/s.

Referencing Fig. a's kinematic diagram of the gear and applying the relative velocity equation to locations B and C,

V b = V c + ω × r b/c

3 i = - 4 i + (-ω k) × 2.25 j

3 i = (2.25 ω - 4) i

Equating the i components yields,

3 = 2.25 ω - 4

ω = 3.11 rad/s

For points A and C,

V b = V c + ω × r b/c

(v a)x i + (v a)y j = -4i + (-3.11) k × (-1.061 i + 2.56 j)

(v a)x i + (v a)y j = 3.97 i + 3.29 j

Equating the i and j components yields on both sides,

(v a)x = 3.97 ft/s

(v a)y = 3.29 ft/s

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Marie Tharp was a geologist and a cartographer who was born in Michigan in 1920. Tharp was the first to map the ocean floor using science, working with her colleague Bruce Heezen. As a geologist with Stanolind Oil in the 1940s, Tharp started her career in science.

Does sonar help with ocean floor mapping?

The ship broadcasts multibeam sonar waves. Multibeam "paints" the bottom in a fan-like pattern by emitting roughly 1500 sonar soundings per second. In doing so, a thorough "sound map" that displays ocean depth, bottom type, and topographic features is produced.

The type of bottom, including whether it is coral- or seagrass-covered, sandy, soft, or covered with other soft vegetation, can be determined by the echo's intensity.

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Answer:

To calculate the speed of the animal, we need to divide the distance it travels by the time it takes to travel that distance. In this case, the distance is 160 meters and the time is 40 seconds, so the speed is:

speed = distance / time = 160m / 40s = 4 m/s

This means that the animal was moving at a speed of 4 meters per second.

Explanation:

Leonardo da Vinci utilised a tube introduced into the water to listen for vessels in order to employ the technology for the first time, in 1490.

What was employed before to sonar?

To combat the rising threat of submarine warfare, it was developed during World War I, and by 1918, a functioning passive sonar system was in use.

An overview of sonar technology. Measuring depth is a key component of seafloor mapping. Prior to the First World War, lead lining was typically used to gauge ocean depth. This required lowering a piece of lead—typically a cannonball—to the ocean floor on a very long piano wire.

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The equivalent spring constant of the two rubber bands is 2667 N/m

We can solve the problem by using Hooke's law, which states that the strain of the material is proportional to the applied stress within the elastic limit of that material. This can be represented by the formula:

[tex]F=-kx[/tex]

where

F is the force applied to the rubber bands

k is the equivalent spring constant of the two rubber bands

x is the stretching constant of the two rubber bands

In this problem, we have been given the following values

F = 32 N is the force applied

x = 1.2 cm

= 0.012 m is the stretching of the bands

Solving for k, we find the equivalent spring constant of the two rubber bands:

[tex]k=\frac{F}{x}[/tex]

k=[tex]\frac{32}{0.012}[/tex]

k = 2667 N/m

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The events in the right order from early to late are Quark soup, protons form, nucleosynthesis, atoms form and estar formation.

Quark soup, also known as quark-gluon plasma, is a substance made of quarks and gluons, the most fundamental known building components of matter, and is precisely what its name implies: a liquid-like substance.

The latest study demonstrates that it is possible for scientists to actually produce a molten soup of the quarks and gluons that make up protons and neutrons.

The process of creating new atomic nuclei—the protons and neutrons that make up an atom's center—is known as nucleosynthesis. Within a few minutes after the Big Bang, the process of nucleosynthesis began.

Protons and neutrons began to form approximately one tenth of a second after the Big Bang, and within a few minutes these particles bonded to create atomic nuclei, primarily hydrogen and helium.

Star formation itself is the main process in the proto-galaxy units. We are aware that star formation occurs in massive gas clouds that are collapsing, and that it can occur under a variety of conditions that cause stars to form slowly.

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This procedure enables life as we know it. And electromagnetic waves influence modern life in countless smaller-scale (but more immediate) ways. For example, electromagnetic waves are responsible for your cell phone, Wi-Fi connection, microwave, and medical imaging methods like x-ray and MRI.

Energy is moved around the planet in two main ways: mechanical waves and electromagnetic waves. Mechanical waves include air and water waves caused by sound.

Therefore, Ocean waves are crucial for climate modelling, weather forecasting, coastal towns, shipping lanes, and offshore business.

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Answer:

First we need to calculate how fast it goes.

192m / 48m per second = 4 seconds

Then calculate the 4 seconds with the weight of the train.

10000 kg x 4 seconds = 40,000 seconds.

That means the train traveled 192 meters in 40,000 seconds.