Mention 2 everyday applications each of conduction, convection and radiation​

app will diagnose a particular disease and suggest the appropriate measures and helps in booking an appointment with the doctor.

Let us assume that self-inventory is a health care application.

It is useful in the domain of health care.

the app will diagnose a particular disease and suggest the appropriate measures and helps in booking an appointment with the doctor.

so this is a computer engineering student's invention he/she can show this in the workplace and can explain them.

this would increase the chances of getting hired.

This also adds to our experience.

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Soldering Stand allows you to provide a clean soldered.

By melting and inserting a filler metal with a lower melting point than the adjacent metal into the joint, two or more objects are connected together by the process of soldering. Soldering doesn't involve melting the work components as welding does.

A hand instrument used in soldering is a soldering iron. In order for the solder to flow into the joint between two workpieces, it needs heat to melt. A hot metal tip and an insulated grip make up a soldering iron.

Soldering stands: Of course, soldering supports are necessary for safety reasons as well as for maintaining the cleanliness of the soldering tip. The soldering iron heats up after a while, so it's crucial to store it safely to prevent any fire disasters.

The tool that allows you to provide clean soldering is a Soldering stand.

The correct option is (d).

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One horsepower (hp) is roughly comparable to 746 watts (W) or 0.746 kilowatts (kW). Multiply by 746 to convert from horsepower to watts. Multiply by 0.00134 to convert from watts to horsepower. multiply by 0.746 to convert horsepower to kilowatts.

The units of power, or the amount of energy expended during a time unit, are the watt or horsepower. Your motor can produce 750 W of power, or 750 Joules of energy per second, if it has a 1 HP rating. Power is the pace of energy. When power is given over a period of time, the amount of energy is equal to power * time.

A turbocharger may possibly increase your horsepower by 70–150 hp and works with the exhaust system. A supercharger, which may provide 50–100 horsepower, is directly attached to the engine intake.

Theoretically, a horse power equals around 746 Watt in conventional estimates.

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The reactants in a chemical formula is the atoms prior to the chemical reaction, found on the left side of the equation. That is option D.

A chemical formula is defined as the scientific way of representation of chemical compounds either singly or during a chemical reaction.

During a chemical reaction, a chemical formula is made up of a right side and a left side with an arrow at its middle indicating the movement of the energy of the chemical reaction.

The reactants are found located at the left hand side of the chemical formula.

The reactants are made up of elements and compounds which combines to form a new product through the formation of new chemical bonds.

For example in the formation of water,

2H2. + O2. --> 2H2O

Here, Hydrogen and oxygen molecules are the reactants which are seen on the left-hand side of the chemical reaction.

Therefore, The reactants in a chemical formula is the atoms prior to the chemical reaction, found on the left side of the equation.

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Answer: D

Explanation: I took the quick check

35 is the deceleration

Deceleration is described as a reduction in speed as the body advances away from the beginning position. The opposite of acceleration is deceleration. It is written as. Negative acceleration is another name for deceleration. The formula for calculating acceleration is modified by adding a negative sign to calculate deceleration, which is the exact opposite of acceleration. Deceleration will be since deceleration is determined by dividing the change in velocity by time.

Deceleration is equal to -v/t, where v stands for velocity change and t for time.

Since t = 2 s and v = 70 m/s in this instance,

Deceleration equals -70/2 to -35.

35 mph is the deceleration.

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Answer:

They do exist.

Explanation:

Black holes exist because they could be found almost everywhere maybe there isn't anything inside it but there is many black holes!

Answer: the best evidence is through micro-quasars, also known as x-ray binaries. These objects emit strong x-rays from an Earth-sized region in space.

The height of the bridge is 1796.895 m if an object falls from the bridge and strike the water below with a velocity of 187.82 m/sec.

Velocity of the object, v = 187.80 m/s

Height of the bridge will be

According to the three equations of motion,

1) First equation Velocity - Time relation states that,

[tex]v = u + at[/tex]

here 'a' will be the acceleration due to gravity i.e g = 9.8 [tex]\frac{m}{secx^{2} }[/tex]

'v' = 187.80  m/s

'u' = 0 m/s

therefore,

[tex]t = \frac{v - u}{a}[/tex]

[tex]t = \frac{187.80 - 0}{9.81}[/tex]

t = 19.14 sec

2) Second equation Position - Time relation states that,

[tex]s = ut + \frac{1}{2} at^{2}[/tex]

here 'a' will be the acceleration due to gravity i.e g = 9.8 [tex]\frac{m}{secx^{2} }[/tex]

'u' = 0 m/s

't' = 19.14 sec

[tex]s = 0 + \frac{1}{2} 9.81 *(19.14^{2})[/tex]

s = 0 + 4.905 * 366.34

s = 1796.895 m

The height of the the bridge is 1796.895 m.

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[tex]V(bar)=46.33(km/hr).[/tex]

Let's refer to the formula of average velocity.

Formula: [tex]V(bar)=\frac{td}{ct}[/tex], where td is the todal displacement, and ct is the change in time.

Since we're trying to find out the average velocity of the whole event (from time 0 when the car started moving to time 30 minutes when it finished the trip), we must take 30 minutes as our change in time.

Now, we need to find the distance traveled by the car on each instance of speed:

To find the covered distance, use the following formula.

[tex]d=vt[/tex], where "v" is velocity, and "t" is time.

Note. When using this type of formulas, all variables must match units. For example, say that your velocty is on km/hr, this means that the time or distance you input or calculate is going to be on kilometers or hours.

Find the value.

[tex]d=(61(km/h))(10(min))\\ \\d=610 (km).[/tex]

[tex]d=(39(km/h))(20(min))\\ \\d=780 (km).[/tex]

Note. We add up both calculated distances to find the total displacement of the car.

[tex]V(bar)=\frac{td}{ct}\\ \\V(bar)=\frac{610(km)+780(km)}{30(min)}\\ \\V(bar)=46.33(km/hr).[/tex]

The average velocity of the car in Km/h during the trip is 98.37 Km/h

Velocity is simply defined as the rate of change of displacement with time. Mathematically, it can be expressed as:

Velocity = displacement / time

This is the total displacement travelled divided by the total time taken to cover the displacement. Mathematically, it can be expressed as:

Average velocity = Total displacement / total time

Displacement = velocity × time

Displacement = 61 × 0.167

Displacement = 10.187 Km

Average velocity = Total displacement / total time

Average velocity = 49.187 / 0.5

Average velocity = 98.37 Km/h

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Answer:

Si un cuerpo de masa m se encuentra a una altura h sobre la superficie de la Tierra, la fuerza gravitacional que actúa sobre él es: De acuerdo con la segunda ley de Newton, esta fuerza gravitatoria imprimirá una aceleración en el cuerpo

Explanation:

The relation that predicts the velocity, [tex]x(t) = \frac{1}{2} \cdot 4 \cdot {t}^{2} [/tex], gives the velocity at t = 4.5 seconds as 18

The given function for the velocity of the car with time is [tex]x(t) = \frac{1}{2} \cdot 4 \cdot {t}^{2} [/tex]

Comparing the above function with the following equation of motion;

[tex]x(t) = u\cdot t + \frac{1}{2} \cdot a \cdot {t}^{2} [/tex]

We have;

x(t) = The distance traveled after time, t

a = The acceleration = 4

u = The initial velocity = 0

The equation of motion for the velocity as a function of time is; v = u + a•t

Which gives;

v = 0 + 4•t

The velocity of the car at t = 4.5 seconds is therefore;

v = 0 + 4 × 4.5 = 18

The velocity of the car at t = 4.5 is 18

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Answer:

tr

Explanation:

ewetwer

With the use of formula, he car's centripetal acceleration is 0.43 m/s²

Angular velocity is the angle turned by a body per time taken. It is measured in radian per second. That is, rad/s

Given that a race car goes around a level, circular track with a diameter of 1.00 km at a constant speed of 75 km/h. What is the car's centripetal acceleration in m/s²

Centripetal Acceleration a = v² / r

Where

Substitute the two parameters into the equation

a = 20.83² / 1000

a = 434.03 / 1000

a = 0.43 m/s²

Therefore, the car's centripetal acceleration is 0.43 m/s²

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When the mass of the object decreases the weight of the object will decrease.

Newton's universal law of gravitation states that the force of attraction between any two bodies is inversely proportional to the square of the distance between them and directly proportional to the product of their masses.

We know that weight is the product of applied gravitational force and mass.

Therefore, W = M × G

Where W represents the weight of the object, M is the mass of the object, and G is the gravitational force. As a result, it might also mean that "an object's weight is directly proportionate to its mass."

Therefore, a decrease in mass will result in a decrease in the object's weight.

The correct option is (b).

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The complete question is mentioned below:

Which of the following will cause a decrease in an object's weight?

(a) Increase in the mass of the object

(b) Decrease in the mass of the object

(c) Increase in the temperature of the object

(d) Decrease in the temperature of the object

The strength of the gravitational force between two objects depends on two factors, mass and distance exert on each other. If one of the masses is doubled, between the objects is doubled increases, the force of gravity decreases.

Newton's universal law of gravitation states that the attraction force between any two bodies is proportional to the product of their masses and inversely related to the square of the distance between them.

All objects on Earth experience weight, or a gravitational pull that is proportionate to their mass and is imposed by the planet's mass. A measure of the force of gravity is the acceleration that freely falling objects experience. At the surface of the Earth, gravity accelerates at a rate of about 9.8 meters (32 feet) per second each second.

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According to the research, the correct option are protection, thermoregulation and immune surveillance. The three functions of the integumentary system are protection, thermoregulation, and immune surveillance.

It is made up of a deep layer of connective tissue that is directly related to the environment in which it has the peculiarity of the abundance of collagen fibers.

In this sense, its functions include protection against mechanical, thermal, and chemical-toxic injuries and against microorganisms, regulation of body temperature, and immune surveillance and response to external agents.

Therefore, we can conclude that according to the research, the correct option are protection, thermoregulation and immune surveillance. The three functions of the integumentary system are protection, thermoregulation, and immune surveillance.

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The maximum height reached by the baseball is 31.89 m and the time taken to reach there is 1.3 seconds

Linear motions are straight line motions. It can be horizontal motion, or vertical motion which is motion under gravity.

Given that a baseball is hit almost straight up into the air with a speed of 25m/s estimate how high it goes.

At the maximum height, final velocity V = 0

Using third equation of motion, that is, V² = U² - 2gH, we can estimate how high it goes.

0 = 25² - 2 × 9.8 × H

625 = 19.6H

H = 625/19.6

H = 31.89 m

To know how long it is in the air, the factors that make this estimate will be

Speed = s / t

25 = 31.89 / t

t = 31.89 / 25

t = 1.2756

t = 1.3 s

Therefore, the maximum height reached by the baseball is 31.89 m and the time taken to reach there is 1.3 seconds

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Answer:

The density of liquid is 15g/cm^3

Explanation:

m= 150h

v=10 cm^3

d=?

we know that,

d=m/v

= 150/10

=15

When the scientists draw conclusions the scientist find out whether the hypothesis was supported.

A hypothesis is a theory put up to explain a phenomenon. A hypothesis cannot be called a scientific hypothesis unless it can be tested using the scientific process.

Once your experiment is complete, you collect your measurements and analyze them to see if they support your hypothesis.

Scientists frequently discover that their hypotheses and predictions were not supported by the results of their experiments. In these circumstances, they will discuss the results of their experiment before reevaluating their initial theories and predictions in light of the fresh information. The scientific method is essentially restarted in this way. Even if they discover that their theory was correct, they could still wish to verify it once more using a different approach.

The correct option is (a).

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The ball rolling down the hill has an acceleration of 3.5 [tex]m/s^2[/tex].

Acceleration refers to the rate at which an object's velocity with regard to time changes. An object's velocity might alter depending on whether it moves faster or slower or in a different direction.

Given:

Initial velocity, u = 3m/s

Final velocity, v = 34.5m/s

Time, t = 9 seconds

To find:

Acceleration, a = ?

Formula:

v = u + at

Calculations:

a = (v – u) / t

a = (34.5 – 3) / 9

a = 31.5 / 9

a = 3.5 [tex]m/s^2[/tex]

Result:

The acceleration of the rolling ball is 3.5 [tex]m/s^2[/tex].

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The acceleration of the boat is 2.5 m/s².

The weight of a small sailboat is 200 kg.

The accelerating force of the wind on the boat is 707 N northwest and 500 N acting west.

Taking into consideration the wind's accelerating force. It can be visualized as the combination of two elements:

707 /√2 = 500 N acting north, and

707 /√ 2 = 500 N acting east.

It is acting both to the North and to the East because it is supposed to be acting in the Northeast wards. The drag of the keel's eastward component will then cancel out its westward counterpart.

Essentially, 500 N north will then be the result of two forces acting on the boat.

Then, we divide the force by the specified mass in order to obtain the boat's acceleration.

500/200 = 2.5 m/s² northward.

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The gravitational potential energy of the mass in increased approximately by 490 J

Gravitational Potential energy formula is

P=mgh

where mass is given my m= 5 Kg

g is the gravitational force i.e. 9.8 [tex]m/s^{2}[/tex]

h is the height above the ground that is given by 10 m

P = 5*9.8*10

P = 490 J

What is gravitational potential energy?

The potential energy that a huge item has in relation to another massive object due to gravity is known as gravitational energy or gravitational potential energy. When two objects descend toward one another, the potential energy associated with the gravitational field is released (transformed into kinetic energy).

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The thickness is mathematically given as

d= 0.7597m

Torricelli's law is a thesis that can be found in the discipline of fluid dynamics. It states that the rate at which fluid is ejected from an orifice is related to the height of fluid that is present above the opening. Torricelli's theorem is another name for this concept.

Generally, the equation for is Torricelli's equation  mathematically given as

The stopping acceleration is given by a=-300ms^2

The initial speed is[tex]$v_0=76.86 \mathrm{~km} / \mathrm{h} \approx 21.35 \mathrm{~m} / \mathrm{s}$.[/tex]

We can use Torricelli's equation to find the safe stopping distance $d$. We have

[tex]d=\frac{(21.35 \mathrm{~m} / \mathrm{s})^2}{2\left(300 \mathrm{~m} / \mathrm{s}^2\right)}[/tex]

d= 0.7597m

In conclusion, The thickness is mathematically given as

d= 0.7597m

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Energy transformation, also known as energy conversion, is the process of changing energy from one form to another.

The energy of transformation in a proper way is known as the transformation chain. When we boiled water in the kettle, then the water starts to boil so electrical energy is converted into thermal energy. When we drop the water from the kettle into the cup, then the gravitational potential energy is converted into the kinetic energy because the height is involved in it. Generator is the source of electrical energy in which mechanical energy is converted into electrical energy.

So we can conclude that energy transformation, also known as energy conversion, is the process of changing energy from one form to another.

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Answer:

a) because book A has a smaller surface area than B and the formula for pressure is Pressure = Force / Area so the smaller the area of contact the larger the pressure exerted on the table.

Explanation:

hope this works :)

The initial velocity of the keys is 13.17 m/s.

A student tosses her sorority sister, who is in a window 2.30 meters above, a set of keys vertically upward.

The second student catches the key 2.50s later.

We simulate the keys as a particle falling at a steady speed. Assume that the positions of the first and second students are, respectively, y(i) = 0 and y(f) = 2.30m.

Now, we have

The time of flight of the keys is t = 2.50 seconds.

Now, the acceleration is a(y) = -9.8 m/s²

We will use the equation of motion,

y(f) = y(i) + v(yi) × t + ( 1/2 ) × a(y) × t²

v(yi) = [ y(f) - y(i) - ( 1/2 ) × a(y) × t² ] / t

v(yi) = [ 2.3 - 0 - ( 1/2 ) × ( - 9.8 ) × (2.5)² ] / 2.50

v(yi) = [ 2.3 + 30.625 ] / 2.50

v(yi) = 32.925 / 2.5

v(yi) = 13.17 m/s

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Answer:

13 m/s

Explanation:

Given average acceleration a and initial velocity  v0 we can compute the final velocity  using the equation

a = (v - v0)/t where t is the time taken to reach final velocity from initial velocity

Here a = 2 m/s² and v0 is the initial velocity when she passes her younger brother v0 = 5m/s.

It takes t = 4 s to pass her older brother at which time her speed is v, say

Then

a = (v - v0)/t

Plugging in known values,

2 = (v - 5)/4

Switch sides:
(v- 5)/4 = 2

Multiply both sides by 4:
v - 5  = 8

v =5 + 8 = 13 m/s - the speed at which she passes her older brother

Answer:

B

Explanation:

Gravity

Answer:

1. save enough money to pay larger debts

Explanation:

Answer:

they are four natural states that makes up matter which are; solid, liquid, gases and plasma.

i hope thus helps you

1 The ball travel 58.29 m high

2. The time the ball spend in the air is 8.67 s

The maximum height reached by the ball can be obtained as follow:

v² = u² – 2gh (since the ball is going against gravity)

0² = 33.8² – (2 × 9.8 × h)

0 = 1142.44 – 19.6h

Collect like terms

0 – 1142.44 = –19.6h

–1142.44 = –19.6h

Divide both side by –19.6

h = –1142.44 / –19.6

h = 58.29 m

We'll begin by calculating the time to reach the maximum height . This can be obtained as follow:

v = u – gt (since the ball is going against gravity)

0 = 33.8 – (9.8 × t₁)

0 = 33.8 – 9.8t₁

Collect like terms

0 – 33.8 = –9.8t₁

–33.8 = –9.8t

Divide both side by –9.8

t₁ = –33.8 / –9.8

t₁ = 3.45 s

Next, we shall determine the time take to fall to the ground

h = ½gt²

133.29 = ½ × 9.8 × t₂²

133.29 = 4.9 × t₂²

Divide both side by 4.9

t₂² = 133.29 / 4.9

Take the square root of both side

t₂ = √(133.29 / 4.9)

t₂ = 5.22 s

Finally, we shall determine the time spend by the ball in the air. This is shown below:

T = t₁ + t₂

T = 3.45 + 5.22

T = 8.67 s

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