determine the magnitude of the equivalent resultant force and its location, measured from the point o.

The displacement and velocity values at time, t = 8 seconds are; 11.76 and -0.545 respectively

Part A

The possible values in the table are;

Displacement;

t = 7 seconds, y = 10.02

t = 8 seconds, y = 11.01

t = 9 seconds, y = 13.5

Velocity;

t = 7 seconds, y = 0.06

t = 8 seconds, y = -0.05

t = 9 seconds, y = -1.15

The equation for interpretation which is a form of linear equation is presented as follows;

\(y - y_0 = \frac{y_1 - y_0}{x_1 -x_0} \times (x - x_0)\)

Interpolating for the displacement at t = 8.0 seconds is as follows;

\(y - 10.02 = \frac{13.5 - 10.02}{9 - 7} \times (8 - 7)\)

Which gives the displacement at t = 8.0 seconds as 11.76

Interpolating for the velocity at t = 8.0 seconds is as follows;

\(y - 0.06 = \frac{(-1.15) - 0.06}{9 - 7} \times (8 - 7)\)

Which gives the velocity at t = 8.0 seconds as -0.545

The values for the displacement and velocity obtained by interpolation (11.76 and -0.545) are different from the displacement and velocity values in the table at t = 8 which are; 11.01 and -0.05 respectively

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The correct graph should have a positive slope for the initial acceleration phase, a horizontal line for the constant velocity phase, and a negative slope for the deceleration phase.

To determine which graph represents the motion correctly, let's analyze the given information step by step.

The car starts from rest and accelerates at 1 m/s² for 2 seconds.

During this period, the velocity of the car increases linearly, as the acceleration is constant. Therefore, the graph representing this phase should be a straight line with a positive slope.

The car then continues at a constant velocity for 10 seconds.

Since the car maintains a constant velocity during this period, the graph representing this phase should be a horizontal line, indicating no change in velocity.

The car sees a tree blocking the road and applies brakes, decelerating at 1 m/s² until it comes to rest.

During this phase, the car's velocity decreases linearly due to the deceleration. Therefore, the graph representing this phase should be a straight line with a negative slope.

Based on this analysis, the correct graph should have a positive slope for the initial acceleration phase, a horizontal line for the constant velocity phase, and a negative slope for the deceleration phase.

Among the given options, the graph that represents the motion correctly is likely to be a graph that meets these criteria. However, since the options were not provided, I'm unable to directly identify the correct graph.

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An effective display of trend and magnitude is achieved by using a combination of a C)heat map and sparklines.

While the standard chart is designed to expose as a great deal fact as possible and is set off from the float of text, sparklines are meant to be succinct, memorable, and located in which they are mentioned.

A heatmap (or warmness map) is a graphical illustration of facts wherein values are depicted through color. They are crucial in detecting what does or does not paintings on a website or product page.

A warmth map visualization is a mixture of nested, colored rectangles, each representing an attribute detail. Heat Maps are regularly used inside the monetary services industry to review the reputation of a portfolio.

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The object changes direction from 2 s to 9 s because the slope is negative the entire time.

The object's acceleration is indicated by the slope of the velocity-time graph. A change in the slope's sign, from positive to negative or vice versa, denotes a shift in the motion's direction.

A positive slope denotes motion or acceleration in the positive direction, whereas a negative slope denotes motion or acceleration in the opposite direction. As a result, a shift from a positive to a negative slope or vice versa denotes a direction change.

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From the given options let's select the example which shows a conceptual model.

A conceptual model can be said to be a model which shows an abstract representation of any concept which can be visualized or imagined than other models.

It is a model which the designers want users to understand.

From the list, the best option which is an example of a conceptual model is a mental image of gas molecules as tiny balls.

Let's say, for example, you imagine or have a mental picture of gas molecules using your imagination, it helps to understand how a vacuum system works and you can easily solve the problem if something goes wrong.

Therefore, the example of a conceptual model is:

A mental image of gas molecules as tiny balls.

• ANSWER:

A. mental image of gas molecules as tiny balls

Answer:

Not all of the time, it can also depend on the strength of the magnet.

Explanation:

say you have a small very strong magnet, that might work just as well as a large but week magnet.

Answer:

Please find the answer in the explanation

Explanation:

Friction is a force that opposes motion. One or two of the advantages of friction are break and ability of an object to walk.

Writing yes it is useful because when your writing because friction helps you see what your writing

ii. Rubbing. Yes, it is useful.

friction make it possible for two object to rub each other

iii. Skiing. No. It is not useful because With presence of friction, skiing will not be possible.

iv. Rotating a wheel No. It is not useful because Friction will oppose the rotation of the wheel.

Answer:

Alright, so mass is a property of a physical body. During physical changes, such as acceleration, force, etc, the mass stays the same since we are not affecting its physical shape, just where it is physics wise. So yeah mass is conserved during a physical change.

Explanation:

Hopefully this helped, if not HMU and I will get u a better answer

-have a great day! :)

In a physical change the mass remains the same before and after the process, then it is said as the mass is conserved and mass is only conserved in the isolated system.

A system that is isolated from its environment is one that does not communicate with it. As a result, no matter what changes or chemical reactions take place in that isolated system, the mass will remain constant; even if the final state may differ from the initial state, there can be no more or less mass than there was before the change or reaction.

The understanding that substances do not actually vanish as a result of a reaction, despite what might appear to be the case, but rather change into another material of equal mass, was made possible by the law of conservation of mass, which was essential to the development of chemistry.

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Friction, mechanical flexure of internal components, and electrical capacitance all contribute to hysteresis.

Errors in hysteresis If a measurement is performed in the same way, mistakes due to hysteresis are reproducible and so called systematic errors.

A pressure sensor's hysteresis error is the greatest variation in output at any measurement value within the sensor's defined range while approaching the point with increasing and then decreasing pressure.

The inherent reluctance of a material to return to its previous condition after adding and removing a physical change, such as an increase and reduction in temperature or pressure, causes hysteresis.

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Answer:

-89.22 C and 183.94 K

Explanation:

TC= (-128.6 - 32) / 1.8 = -89.222222 C

TK= -89.22 + 273.16 = 183.94

The conversion of −128.6°F temperature in degree centigrade -89.22 is

and to kelvin is 183.94 k

Fahrenheit temperature scale is a scale based on 32 for the freezing point of water and 212 for the boiling point of water, the interval between the two being divided into 180 parts.

The 18th-century German physicist Daniel Gabriel Fahrenheit originally took as the zero of his scale the temperature of an equal ice-salt mixture

and selected the values of 30 and 90 for the freezing point of water and normal body temperature, respectively; these later were revised to 32 and 96, but the final scale required an adjustment to 98.6 for the latter value.

To convert from fahrenhiet to degree celcius

\(T_C= \dfrac{(-128.6 - 32) }{ 1.8} = -89.222222 \ ^oC\)

To convert from kelvin to degree

\(T_K= -89.22 + 273.16 = 183.94\ k\)

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The force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface.

Answer:

Gravity is the force that keeps everything on the ground instead of it floaating around!

Explanation:

Without gravity, you would be floating round in your house dodging floating objects.

Hope this brings you down to earth!

Have an amazing day!

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Your speed if you go 9,700 miles in 8 hours is 1212.5 miles/hr.

This is referred to as the magnitude of the change of its position over time or the magnitude of the change of its position per unit of time; and thus it is a scalar quantity.

It is measured as the ratio of distance to the time in which the distance was covered.

Speed = distance/time

Distance = 9700miles

time = 8 hours.

Distance = 9700miles/ 8 hours

               = 1212.5miles/hour

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The acceleration of the bucket is 16.5 m/s² as determined by the equation a = F / m, where F is the tension in the rope (165 N) and m is the mass of the bucket (10.0 kg).

The tension in the rope can be considered as the net force acting on the bucket. According to Newton's second law of motion, the net force is equal to the mass of the object multiplied by its acceleration (F = m * a). In this case, the tension force is 165 N, and the mass of the bucket is 10.0 kg.

By rearranging the formula, we can solve for acceleration:

a = F / m

Substituting the given values, we have:

a = 165 N / 10.0 kg

a ≈ 16.5 m/s²

Therefore, the acceleration of the bucket is approximately 16.5 m/s².

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Answer:

Explanation:

I really don’t know

The three types of energy transfer occurs in the oven as the soup is cooked is mentioned above.

There are three types of thermal energy transfer. They are:

Conduction is the heat transfer through physical touch. Convection is the heat transfer between fluid objects. Radiation is the transfer of heat energy by means of waves.

When the soup is cooked in the oven,

Therefore, the three types of energy transfer occurs in the oven as the soup is cooked is mentioned above.

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An asphalt surface absorbs more solar energy than a cement surface. This difference is chiefly due to differences in color.

Solar energy is the radiant light and heat from the Sun.

Solar energy is very useful for energy generation and is captured by a variety of technologies, including solar architecture, solar thermal energy, and solar power to produce electricity.

Solar energy released by the Sun gets to the earth by means of radiation.

The ability of different substances to absorb radiation from the Sun differs according to the nature of the material.

Dark and dull surfaces absorb radiation from the Sun more readily than shiny and bright surfaces. Hence, dark surfaces are better radiators of solar energy.

For example, an asphalt surface is dark and dull compared to a cement surface which is shiny. Hence asphalt surfaces absorb more radiation than cement surfaces.

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Answer:

C

Explanation:

Apply the uniform acceleration equation \(v^{2} = u^{2} +2as\)

v: Final velocity (When the stone reaches its maximum height)

u: Initial velocity (The velocity of the stone at the instance when it is thrown)

a: Acceleration due to gravity

s: Displacement of the stone

Take \(v=0m/s\) since the stone is momentarily at rest when it reaches its maximum height.

Take \(a = -9.81 m/s^2\), the negative sign indicates the stone is decelerating due to gravity.

Take \(s=10m\) as stated in the question.

\(0^2=u^2+2(-9.81)(10)\)

\(196.2=u^2\)

\(u=\sqrt{196.2}\)

\(u=14.00714104m/s\)

Therefore, the closest answer is C (\(14m/s\))

Answer:

1.5 thats how long it is

Explanation:

good luck

A football player throws a football 30 meters in 2.5 seconds, divide 30 by 2.5 and get 12.

An object's speed, also known as "v," is the amount by which its position changes over time or by how much it changes per unit of time, making it a scalar number.  

The instantaneous speed is the upper limit of the average speed as the duration of the time interval approaches zero. The average speed of an item in a period of time is equal to the distance traveled by the object divided by the duration of the period. Velocity and speed are not the same thing.

The parameters of speed are time divided by distance. The metre per second (m/s), the SI measure of speed, is the most widely used unit of speed in daily life.

Therefore, A football player throws a football 30 meters in 2.5 seconds, divide 30 by 2.5 and get 12.

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"Yes, the electronic crime scene is handled completely differently from a traditional crime scene. The electronic crime scene refers to a crime that has taken place in the digital world.

In contrast, a traditional crime scene refers to a crime that has taken place in the physical world, and it is evident that the two scenarios are handled differently.

An electronic crime scene refers to the area or place where electronic evidence is gathered for use in investigations or legal proceedings. Electronic evidence refers to information or data stored, created, or transmitted in electronic devices, including computers, smartphones, flash drives, and other digital devices. The collection of electronic evidence differs significantly from the collection of traditional evidence. The first step is the preservation of electronic evidence. In a traditional crime scene, it is possible to cordon off the area using yellow tapes, close windows, and take photographs of the scene. However, this is not the case with an electronic crime scene since electronic evidence is intangible. This is why digital forensic investigators begin the evidence preservation process by creating a forensic image of the electronic device under investigation. This is done to prevent data loss or alteration before investigations commence.

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Given:

The initial velocity is

The initial position is x1 = 2.76 cm

The final position is x2 = - 5 cm

The time will be t = 2.25 s

To find the acceleration.

Explanation:

The acceleration can be calculated by the formula

Here, the displacement is

On substituting the values, the acceleration will be

Final Answer: The acceleration is -12.84 cm/s^2

Speed of the bricks at the top of hill is 6.26 m/s. c.)speed of the bricks at the top of hill is 14.14 m/s. d)minimum compression of spring necessary to get to the top of hill is 6.26 m. e) speed of the bricks at the top of hill with 2 m of initial compression and 15% energy dissipation is 13.04 m/s.

The capacity or power to do work, such as the capacity to move an object by application of force is called energy.

Initial potential energy of compressed spring is:

Ep = 1/2 kx^2 = 1/2 * 500 N/m * (2 m)^2 = 1000 J

k is spring constant, x is compression of the spring, and J is unit of energy in joules.

Final potential energy of the bricks is:

Ep = mgh = 100 N * 9.81 m/s^2 * 2 m = 1962 J

Ep = Ep

1/2 kx^2 = mgh

v = sqrt(2gh) = sqrt(2 * 9.81 m/s^2 * 2 m) = 6.26 m/s

Therefore, the speed of the bricks at the top of the hill is 6.26 m/s.

c.  Initial potential energy of compressed spring is: 1000 J

Ek = Ep = 1000 J

Kinetic energy of the bricks is given by:

Ek = 1/2 mv^2

1000 J = 1/2 * 100 N * v^2

v = sqrt(200 / 1) = 14.14 m/s

Therefore, the speed of the bricks at the top of the hill is 14.14 m/s.

d.  As, Ep = m g h

where m is mass of the bricks, g is acceleration due to gravity, and h is  height of the hill.

Ep = 100 N * 9.81 m/s^2 * 2 m = 1962 J

Ep = 1/2 kx^2 = 1962 J

1/2 * 500 N/m * x^2 = 1962 J

x = sqrt(2 * 1962 J / 500 N/m) = 6.26 m

Therefore, the minimum compression of the spring necessary to get to the top of the hill is 6.26 m.

e. If 15% of the energy is dissipated through friction, final kinetic energy of the bricks at the top of the hill will be 85% of initial potential energy of the compressed spring. Therefore,

0.85 * 1000 J = 1/2 mv^2

v = sqrt(170 / 1) = 13.04 m/s

Therefore, the speed of the bricks at the top of the hill with 2 m of initial compression and 15% energy dissipation is 13.04 m/s.

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Answer: C. 12

Weight= mass* gravity. Were going to have to do the inverse operation

Mass= weight/gravity^2. So were going to divide.

120/9.81 = 12.2324159021 or 12.

Explanation: Hope this helps!! :D Mark me Brainliest :D

Electrons are one of the constituents of atoms. It is negatively charged particles and the atom has the same number of protons and electrons.

Matter is made up of atoms. Atoms are made up of protons, electrons, and neutrons. The protons are positively charged particles, electrons are negatively charged particles, and neutrons are neutrally charged particles. Protons and neutrons are present inside the atoms from the nucleus. The electrons are revolving around the nucleus due to attractive force.

The characteristics of the electrons are: Electrons are identified by J.J Thomson by using cathode rays. The electrons are negatively charged particles. The mass of an electron is 9.11×10⁻³¹Kg and the charge of an electron is 1.6×10⁻¹⁹C. They are the fundamental block of all atoms. Cathode beams are the source of electrons.

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Answer:

A

Explanation:

To measure wavelength, you would find the distance from crest (top of the wave) to crest.  

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The type of extinguisher that is intended to be used on a Class B fire is the Aqueous film forming foam (AFFF) extinguisher. The AFFF extinguisher is the main answer to the question.

An Aqueous film forming foam extinguisher is designed to extinguish fires that are fueled by flammable liquids like oil, gasoline, or kerosene. This extinguisher works by covering the fuel source with a layer of foam that deprives the flames of oxygen. The foam also helps to cool the fuel, further limiting the spread of the fire.

There are different types of fires, and each requires a specific type of extinguisher. A Class B fire is fueled by flammable liquids, including gasoline, oil, and kerosene, among others. These fires can be extremely dangerous and difficult to extinguish, which is why it's important to use the right type of fire extinguisher.

The Aqueous film forming foam extinguisher (AFFF) is the most effective type of extinguisher for Class B fires. This type of extinguisher works by smothering the flames with a layer of foam that contains water and a special chemical agent. The foam creates a barrier that cuts off the fire's oxygen supply and prevents it from spreading. AFFF extinguishers are stored-pressure extinguishers, which means that the foam is already mixed with water and ready to use.

In conclusion, the Aqueous film forming foam extinguisher (AFFF) is the type of extinguisher intended to be used on a Class B fire. This type of extinguisher is highly effective in smothering flames and preventing the fire from spreading. It is essential to use the right type of extinguisher for the type of fire to prevent the fire from growing.

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Answer:

(c) displacement

sure answer...

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Answer:B

Explanation:

Answer:

A

Explanation:

More potential energy equals more kinetic