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Answer:

d: mutualism

Explanation:

I'm guessing that means they're on mutual grounds so they don't mind sharing?

Answer: what is it in

Explanation:

Answer:

B. Convection.

Explanation:

Convection is an energy transfer process which typically involves the transfer of heat as a result of the movement of mass. Convection is generally considered to be a more effective and efficient means of heat transport in the Earth when compared to conduction. The movement of tectonic plates is caused by the convection current because the heat gains pressure underneath the crust.

Hence, the type of energy transfer which is responsible for the movement of magma in Earth's interior is convection.

Additionally, subduction zone is a zone which represents the collision between the two (2) tectonic plates of planet earth. Subduction zone occurs in countries such as Japan, Canada, Indonesia, Russia, Alaska, and around the Pacific Ocean.

Generally, subduction zones are responsible for high intensity earthquakes, volcanoes and tsunamis around the world.

Answer:

The conversion efficiency of geothermal power developments is generally lower than that of conventional thermal power plants. ... The highest reported conversion efficiency is approximately 21% at the Darajat vapour-dominated system, with a worldwide efficiency average of around 12%.

Answer:

147N

Explanation:

pressure = 7pa

area= 21m

force=?

now,

p = f/a

7 = f/21

f = 21×7

therefore, f = 147N.

Answer:

false

Explanation:

this makes the molecule very polar

Answer:

2.4m/s²

Explanation:

Given parameters:

Initial velocity  = 0m/s

Time 25s

Final velocity  = 60m/s

Unknown:

Acceleration  = ?

Solution:

Acceleration is the rate of change of displacement

      Acceleration  = [tex]\frac{Final velocity - Initial velocity}{time}[/tex]

    Acceleration  = [tex]\frac{60 - 0}{25}[/tex]    = 2.4m/s³

Answer:

002 bc eause iy is

Answer:

Explanation:

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Answer:

p and q are 4.0 m apart

moments around q

4 p = (10 * 5) + (4 * 2) - (8 * 1)

p = 12.5

Rp = 12.5 g

moments around p

4 q = (8 * 5) * (4 * 2) - (10 * 1)

q = 9.5

Rq = 9.5 g

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Explanation:

Answer:

ALWAYS ( in all cases and at all times)

Explanation:

From Newton's 3rd Law of motion which states that every action that occurs (force) there will be equal as well as opposite reaction. Therefore as the man is pushing the chair exerting 50N force, the chair also is is exerting equal force as well as opposite force on him as he is pushing it

Answer:

*The increase in thermal energy  the maximum emission of radiation changes according to Wien's law

*The increase in thermal energy  he intensity of the energy increases significantly, proportional to the fourth power of the temperature

Explanation:

When bodies heat up, the vibrations of their molecules and atoms increase, due to the energy, therefore the internal energy (Temperature) of the body also increases.

The increase in thermal energy relaxes in an increase in body temperature, when this happens the maximum emission of radiation changes according to Wien's law that gives a shift towards the visible as the temperature increases.

Furthermore, the intensity of the energy increases significantly, in a curve described by the Planck expression.

These increases are proportional to the fourth power of the temperature

           P = σ A e T⁴

Answer:

1. Displacement can be positive OR negative. The sign implies the direction of the displacement. 2. In one dimension the direction is indicated by the sign: negative if to the left and positive if to the right.

Explanation:

Answer:

Answer is B.

Explanation:

I hope it's helpful!

Answer:

If density is greater, the object sinks. Saturn is mainly composed of the lightest two gases known, hydrogen and helium. It is the only planet in our solar system whose density is less than water

Explanation:

Planet density are uneven they all have different density.

Mass per unit of volume is referred to as density. Although the Latin letter D can also be used, the sign most frequently used for density is. Mass divided by volume is how density is mathematically defined:

If density is greater, the object sinks. Saturn is mainly composed of the lightest two gases known, hydrogen and helium. It is the only planet in our solar system whose density is less than water

Planet density are uneven they all have different density.

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Answer: The greater an object's mass, the more gravitational force it exerts.

Explanation: So, to begin answering your question, Earth has a greater gravitational pull than the moon simply because the Earth is more massive. Sorry if I get this wrong. I am in 5th grade! ♥

The gravitational attraction between the Sun and Earth is stronger than the attraction between the Sun and the Moon, principally because of the Sun's greater mass and greater distance from Earth.

An object's mass affects how much gravitational pull it exerts. Both the Earth and the Moon are much less massive than the Sun. Approximately  330,000 times more massive than the Earth, and roughly 27 million times more massive than the Moon, is the Sun. Because of the Sun's greater mass, its gravitational pull is thus much stronger.

The strength of the gravitational force between two objects is greatly influenced by their distance from one another. The Sun and Earth are separated from one another by a far smaller distance than the Sun and Moon. The Sun is located roughly 150 million kilometers from Earth, while the Moon is located roughly 384,400 kilometers from the Sun on average. The inverse square law asserts that the gravitational force decreases with increasing distance, and that it is only one-fourth as strong when two objects are twice as far apart.

Hence, the gravitational force between the sun and earth is larger than the sun and the moon due the mass of the sun and earth is greater than the moon and sun. The distance between the sun and the earth is comparatively smaller than the distance between the sun and the moon.

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That's the Ampere.

1 Ampere = 1 Coulomb of charge per second.

Answer:

Answer:

dust cloud

Explanation:

Stars are formed from the accumulation of the dust as well gases in the solar system. The dust and the gases collapses due to the the gravity forces and the stars are formed.

They are formed within the clouds of the dust and gases and are scattered in the galaxies. The stars are formed in a million of years from the dust clouds.

In the context, Abdul have a picture of a dust cloud which looks smoky and dusty which is the initial stage of the stars formation due to the gravity.  It is the region of the star that looks like a cloud of dust before the formation of the star.

Answer:

c

Explanation:

Answer:

my answer has to be more than 20 characters long

Explanation:

C.cytoplasm

Answer:

Explanation:

Answer:

this is the answer

. false

Answer:

12km per hour

Explanation:

The formula is distance/time.

24km/2 hours = 12km/1 hour

Explanation:

average speed = distance / time

= 24km/ 2 hr

= 12 km/ hr

Hope this will be helpful to you .

Answer:

1.57 V

Explanation:

The induced emf ε = -ΔΦ/Δt where Φ = magnetic flux = NABcosθ where N = number of turns of circular coil = 20, A = area of coil = πr² where r = radius of coil = 10.0 cm = 0.1 m , B = strength  of magnetic field = 0.30 T,θ = angle between normal to are and magnetic field and Δt = change in time = 0.12 s

Now ΔΦ = change in magnetic flux through circular coil = Φ' - Φ

Φ = magnetic field when A is perpendicular to B , that is θ = 90°. So, Φ = NABcos90 = 0 and Φ' = magnetic field when A is parallel to B , that is θ = 0°. So, Φ' = NABcos0 = NAB

So, ΔФ = Ф' - Ф

= 0 - NAB

= -NAB

= -Nπr²B

= -20 × π(0.1 m)² × 0.30 T

= -0.19 Wb

So, ε = -ΔΦ/Δt

= -(-0.19 Wb)/0.12 s

= 1.57 Wb/s

= 1.57 V

The induced EMF in the coil is 1.57 V

The induced EMF is produced due to the changing magnetic flux through a coil. Mathematically EMF is the rate of change of flux.

E = -ΔФ/Δt

where ΔФ is the change in the magnetic flux, and

Δt is the time period

Initial magnetic flux through the coil is:

Ф = NABcosθ ,

N = 20, number of turns

A = area of the coil = πr² = 3.14 × (0.1)² = 0.0314 m²

B = 0.30 T, magnetic field

here θ = 90°

so , Ф = 0

Final magnetic flux through the coil is:

Ф' = NABcosθ, here θ = 0°, so

Ф' = 20 × 0.0314 × 0.30 × 1

Ф' = 0.1884 Wb

ΔФ = Ф - Ф'

ΔФ = -0.1884 Wb

given that Δt = 0.12s

E = -ΔФ/Δt

E = 0.1884 / 0.12

E = 1.57 V

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Answer:

When a car stops suddenly, the inertia the keeps you moving forward will finally stop and give you whiplash, which could seriously injure or even kill a baby. With the seat turned back, the force will be decreased dramatically, and prevent any fatal harm.

Answer:

The wavelength of the waves traveling along the string is 12 meters.

What is a Wavelength?

Given:

Waves propagate along the stretched string at speed = 8.0 m/s

The end of the string vibrates up and down once every 1.5 s.

∴ Time = 1.5 s

We have to find the wavelength of the waves.

We know,

⇒ Time = 1/frequency

⇒ 1/frequency = 1.5

Now

⇒ speed = frequency × wavelength

⇒ wavelength = speed / frequency

⇒ wavelength = 8 × 1.5

⇒ wavelength = 12 m

Therefore, the wavelength of the waves traveling along the string with given speed is 12 m.

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Answer:

Source: National Bureau of Standards Wall Chart. 1 inch, = 25 millimetres. 1 foot, = 0.3 metre. 1 yard, = 0.9 metre. 1 mile ...

Explanation:Source: National Bureau of Standards Wall Chart. 1 inch, = 25 millimetres. 1 foot, = 0.3 metre. 1 yard, = 0.9 metre. 1 mile ...

Answer:

Explanation:

Total mass of child and car = 50 + 120 = 170 kg .

initial velocity u = 4.5 m/s

initial momentum = mass x velocity = 170 x 4.5 = 765 kg m/s

final velocity = - 4.5 m/s [ - ve is due to reversal of direction ]

final momentum = - 765 kg m/s

change in momentum = final momentum - initial momentum

= - 765 - ( 765 )

= - 1530 kg m/s .

Momentum of a body is the product of mass and the velocity of the body.

The magnitude of the change in the momentum of the child in the bumper car is 1530 kg-m/s.

The change in momentum of a object is the difference of the final momentum to the initial momentum.

Given information-

The mass of the child is 50 kg.

The mass of the bumper car is 120 kg.

The initial velocity of the bumper car is 4.5 m/s.

Momentum of a body is the product of mass and the velocity of the body. The initial momentum of the child in the bumper car is,

[tex]p_i=(m_c+m_b)u[/tex]

Here, [tex]m_c[/tex] is the mass of child and [tex]m_b[/tex] is the mass of the bumper car. Also [tex]u[/tex] is the initial velocity,

[tex]p_i=(50+120)\times4.5\\p_i=765[/tex]

Thus the initial momentum of the child in the bumper car is 765 kg-m/s.

When the bumper car head-on into the wall of the ride then it rebounds at the speed. Thus the final momentum will be opposite in the direction. Thus final momentum is,

[tex]p_f=-p_i\\p_f=-765[/tex]

As the change in momentum of bumper car is the difference of the its final momentum to the initial momentum. thus,

[tex]\Delta p=pf-pi\\\Delta p=-765-765\\\Delta p=-1530[/tex]

Hence the magnitude of the change in the momentum of the child in the bumper car is 1530 kg-m/s.

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