a 5200w electric oven​

The distance of the point from the axis of rotation of the second hand is 9.1 m.

The point from the axis of rotation of the second hand is the radius of the rotation of the clock.

a = v²/r

v² = ar

v = √ar

V = 2πr/T

√ar = 2πr/T

ar = 4π²r²/T²

a = 4π²r/T²

r = aT²/4π²

r = (0.1 x 60²)/(4π²)

r = 9.1 m

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The potential energy of a rocket increases when its escapes from the influence of the earth. It increases when it escapes the earth's boundary.

Escape velocity or escape speed is the minimum speed required for a free, non-propelled object to escape from the gravitational pull of the main body and reach an infinite distance from it in celestial physics.

It is commonly expressed as an ideal speed, neglecting atmospheric friction.

If a spacecraft is launched from the moon at the escape speed of the earth then the value of escape speed will be the difference in both the velocities.

An object's height above the zero position directly relates to its gravitational potential energy.

The kinetic energy of motion is converted into gravitational potential power as your rocket ascends.

The rocket possesses gravitational potential energy as it climbs because it is becoming farther away from the Earth's surface, much as a positive and negative charge moving apart.

The potential energy of a rocket increases when its escapes from the influence of the earth. It increases when it escapes the earth's boundary.

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Answer:the line away from the spacecraft should be straight down (perpendicular to it). Label this M. This is the force of the moon on the spacecraft. A minuscule line upward from the moon towards the spacecraft shows the force of the spacecraft on the moon. Should be directly below the spacecraft and pointed straight up at it.

Explanation:

if there were no invention of machines then life would have been more difficult and simple works could be hard to do. Even now we are using our phones, sitting in a AC room interacting to eachother from different places. without the invention of machines simple things like transportation would have been difficult. There would be horses and donkey for the transportation. There would be no electricity,no internet, no transportation, not even c computers or mobile etc. The market for business will be smaller, the knowledge and news about world would be less.

so the problem would have been bigger than we can imagine. But one thing is that nature could survive lot more compared to what we have done till now by destroying nature.

In permanent waving, the size of the curl should be determined based on the size of the rod.

Permanent waving can be defined as a hairstyle that is typically made by setting a person's hair in waves or curls while treating it with chemical solutions such as thio, so as to make it last for a long period of time.

In permanent waving, the size of the curl should be determined based on the size of the rod that would be used for the hairstyle.

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Answer:

zero

Explanation:

Because if the object is not in motion then it only posseses potential energy not kinetic energy

Nothing happens to the brightness of the light bulbs in the parallel circuit if the power supply is capable of supplying the additional current.

If one year consists of 365 days, this is closest to x = 3.15 × 10⁷ seconds.

Given that;

Note that; there are 24 hours in a day, 1440 minutes in a day and 86400 seconds in a days.

1 day contains 86400 seconds

365 contains x seconds

x = 365 × 86400

x = 3.15 × 10⁷ seconds

Therefore, if one year consists of 365 days, this is closest to x = 3.15 × 10⁷ seconds.

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The point along the line connecting the two charges is the total electric field due to the two charges equal to zero will be 0.3056.

The electric field strength is defined as the ratio of electric force and charge. The field's direction is determined by the direction of the force acting on the positive charge.

The megnitude of the electric field for charge 1 is;

[tex]\rm E_1 = (9 \times 10^9 )\times \frac{0.700 \times 10^{-9}}{x^2}[/tex]

The megnitude of the electric field for charge 1 is;

[tex]\rm E_2 = 9.0 \times 10^9 \times \frac{9.00 \times 10^{-9}}{(1.80-x)^2}[/tex]

The net electric field at point p is;

[tex]\rm \frac{0.700}{x^2} = \frac{9.00}{(1.40-x)^2} \\\\( \frac{1.40-x}{x} )^2 = \frac{9.00}{0.700} \\\\\ \frac{1.40-x}{x}=3.58 \\\\ \frac{140}{x} -1=3.58\\\\\ \frac{140}{x}=3.58+1\\\\ x=0.3056 \ m[/tex]

Hence, the point along the line connecting the two charges is the total electric field due to the two charges equal to zero will be 0.3056.

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Answer:

Asteroids and comets have a few things in common. They are both celestial bodies orbiting our Sun, and they both can have unusual orbits, sometimes straying close to Earth or the other planets. They are both “leftovers” — made from materials from the formation of our Solar System 4.5 billion years ago. But there are a few notable differences between these two objects, as well. The biggest difference between comets and asteroids, however, is what they are made of.

While asteroids consist of metals and rocky material, comets are made up of ice, dust, rocky materials and organic compounds. When comets get closer to the Sun, they lose material with each orbit because some of their ice melts and vaporizes. Asteroids typically remain solid, even when near the Sun.

Right now, the majority of asteroids reside in the asteroid belt, a region between the orbits of Mars and Jupiter which may hold millions of space rocks of varying sizes. On the other hand, the majority of comets are in the farthest reaches of our Solar System: either 1. in the Kuiper Belt — a region just outside the orbit of the dwarf planet Pluto that may have millions of icy comets (as well as many icy dwarf planets like Pluto and Eris); or 2. the Oort Cloud, a region where trillions of comets may circle the Sun at huge distances of up to 20 trillion kilometers (13 trillion miles).

Answer:

they are both leftovers materials

Explanation:

think about how the solar system is made the comets and asteroids are both rocks and remains of the solar system

Home heating systems work through negative feedback by regulating the temperature through thermostat.

In thermostat, when the temperature of the room environment increases by the negative feedback system the furnace gets turn off, allowing the room to get to its normal temperature and when the temperature lower down it turns on again and maintain the temperature in equilibrium state.

So we can conclude that home heating systems work through negative feedback by regulating the temperature through thermostat.

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The actual mass of a 1 cm² piece of copy paper is determined as 0.0074 g.

Area = Length x Width

Area = (11 x 2.54 cm) x (8.5 x 2.54 cm)

Area = 603.22 cm²

Mass = area density/area

Mass = (4.5 gcm²)/(603.22 cm²)

Mass = 0.0074 g

The complete question is below:

A sheet of 8.5 inch by 11inch paper has a mass of 4.50 grams one square centimeter , 1cm2 of that sheet of paper will have a mass closets to ____grams ( (hint use 1inch = 2.54 centimeters and area = length times)

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Answer:

No

Explanation:

The fastest recorded time for a person to run 100 metres is 9.58 seconds, which is the equivalent of 10.4 metres per second

Answer:

No

Explanation:

Humans can run as fast as 19.3m/s, using their full possible energy.

More sales of traditional, large cars are the most likely consequence of falling petroleum prices.

Since the majority of conventional, large cars employ combustion engines, these engines need petroleum fuel to operate.

As a result, Choice C—more sales of conventional, large cars—is one of the effects of dropping oil prices that is most likely to occur.

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Muscular Endurance refers to the ability for a muscle to work against a resistance for an extended period of time

Endurance :-

Perseverance is connected with the capacity to perform work over a drawn out timeframe. Youngsters, for instance, can play effectively for hours. Endurance can be impacted by a singular muscle, a muscle bunch, or the complete body. Muscle perseverance mirrors the capacity to support rehashed muscle compression and is connected with muscle strength.

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The third charge is in equilibrium, 2a/3

An electric property associated with each point in space when charge is present in any form.

The magnitude and direction of the electric field are expressed by the value of E, called electric field strength or electric field intensity or simply the electric field.

According to the question,

force on it due to +4e= force due to +e

[tex]\frac{ k(4e)q}{x^{2} } = \frac{ k(e)q}{(a-x)^2}[/tex]

4(a-x)² = x²

2(a-x)=x

2a-2x =x

x= [tex]\frac{2a}{3}[/tex]

Therefore,

The position along the line XY is [tex]\frac{2a}{3}[/tex]

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Consider a person trying to push a large crate across a floor, as in the diagram. As they apply a force to push the crate along the floor in one direction, a frictional force is generated in the opposite direction.

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Total units

Cost°

The ray diagram for the given object consists of 2 cm height of object, 4 cm object distance and 3 cm focal length.

Diverging lens is called a concave lens. The working of the lens is dependent on the refraction of the light rays as they pass through the lens.

Image formed by a diverging lens is always virtual, erect and diminished; smaller than the object and is located on the same side of the lens as the object.

The ray diagram for the given object is presented in the image in the diagram.

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The electric potential energy in a capacitor will be 5 × 10 ⁻⁹ J.

A capacitor is a device that can store electrical energy. It is a two-conductor configuration separated by an insulating medium that carries charges of equal size and opposite sign.

An electric insulator or vacuum, such as glass, paper, air, or a semiconductor termed a dielectric, can be used as the non-conductive zone.

The  electric potential energy in a capacitor is found as;

[tex]\rm E = \frac{1}{2} QV[/tex]

[tex]\rm E = \frac{1}{2}\times 1.0 \times 10^{-10} \ C \times 100 \ V \\\\ E= 5 \times 10^{-9} \ J[/tex]

Hence the electric potential energy in a capacitor will be 5 × 10 ⁻⁹ J.

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ILS is a type of facility that has a frequency of 108.15 Megahertz.

ILS is an acronym for instrument landing system and it can be defined as a precision radio navigation system that is designed and developed to provide an aircraft (airplane) with short-range guidance, so as to enable it approach a runway during bad weather or at night.

Generally, ILS uses two main directional radio signals and these include:

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The number of formula units would be  2.5 x  [tex]10^2^3[/tex]

This is mathematically given as: mole x Avogadro number

Molar mass of the aluminum sulfide (Al2S3) sample = 26.98 x 2 + 32.06 x 3

= 53.96 + 96.18 = 150.14 g/mole

Mole of 62.2 g aluminum sulfide = 62.2/150.14 = 0.4143 moles

Formular unit = 0.4143 x 6.023 x [tex]10^2^3[/tex] = 2.5 x  [tex]10^2^3[/tex]

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Answer:

Gravity    (perhaps)

Explanation:

Without a further description or a diagram, I would guess the downward force would be gravity.

Gravity exerts a downward pull on the book with a magnitude of 5 n. the correct answer would be option (A) gravity.

The attraction that the earth, moon, or other immensely big object has on another object is referred to as gravity. By definition, this is the object's weight. Gravity affects all items on Earth and is directed "downward" towards the earth's center. On Earth, gravity gives physical objects weight, while the Moon's gravity causes sublunar tides in the seas (the corresponding antipodal tide is caused by the inertia of the Earth and Moon orbiting one another).

Gravity also plays a significant role in biology, such as regulating plant development through gravitropism and controlling fluid circulation in multicellular animals.

According to research into the consequences of weightlessness, gravity may have a role in immune system function and cell differentiation inside the human body.

Thus, Gravity exerts a downward pull on the book with a magnitude of 5 n.

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The complete question would be as:

A downward force of magnitude 5 n is exerted on the book by the force of downward force of magnitude 5 n is exerted on the book by the force of the table.

A. gravity

B. inertia

C. momentum

D. acceleration

The efficiency of the kettle is 117.9%

Efficiency is used to measuring how much work or energy we can conserve in a process. In other words, it is like comparing the output of the energy to the input of the energy in any given system.

It is also define as the ratio of  Energy Input to the Energy Output. To express it in percent multiply it by 100.

Here, Efficiency = Energy output / Energy input

          [tex]η =\frac{W_{out} }{W_{in} } * 100[/tex]

[tex]η = \frac{198kJ}{168kJ} * 100[/tex]  

=  117.9%

So , the efficiency is 117.9%

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Answer:

3 meters

Explanation:

Velocity = displacement/time

Displacement=velocity×time

As, time from 7 to 8 is 1 sec. And velocity increases from 0 to 3 m/s

So, Displacement = 3×1

=3m

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The magnetic field due to a  very long wire with current A is 6.67 x 10⁻⁷ A (Tesla).

This is the region of space where the effect of magnetic force is felt.

The magnetic field due to a current carrying conductor is calculated as;

B = μI/2πd

where;

at a distance of 0.3 m

B = μI/2π(0.3)

B = 0.53μI

B = 0.53 x (4π x 10⁻⁷)I

B = 6.67 x 10⁻⁷ A (Tesla)

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The a barrier to the correct interpretation of what you hear can occur due to different frame of reference.

A frame of reference is a particular set of beliefs or ideas on which you base your judgment of things.

A barrier in the correct interpretation of information can occur when two observers are in different frames of reference.

Thus, the a barrier to the correct interpretation of what you hear can occur due to different frame of reference.

The complete question is below:

Which is a barrier to the correct interpretation of what you​ hear?

-Different frame of reference

-Dissimilar vocabulary

-Differing accent

-Jargon usage

-Poor explanation

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Because of wave refraction, erosion along an irregular coastline is greatest in headlands.

This is referred to as the bending of light as it passes from one medium to another with its speed being changed.

Refraction causes erosion along an irregular coastline to be greatest in headlands which is the area of land projected out toward the sea.

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Answer:

A

Explanation:

ASA was found in the bark of willow trees.