The part of the shore that represents the water's edge and migrates back and forth with the tide is known as the ________.

Answer:

electron

Explanation:

The source of a magnetic field is a moving _________.

                              \/

The source of a magnetic field is a moving electron.

  The spinning of the electrons around the nucleus of an atom creates a magnetic field.

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Answer:

at 2.5m

Explanation:

because 2.5m*4m is 10.0=10

To solve this, we must know each and every concept related to speed of efflux and its calculations. Therefore,  hole at 3m will have the greatest speed of efflux.

The velocity of outflow is the speed with which a liquid emerges from a hole cut at a certain height from bottom of the container within which the liquid is contained.

Mathematically, the formula for speed of efflux can be given as

speed of efflux =√2×g×h

g= acceleration due to gravity

h1=4- 1 =3m

h2=4-2=2m

h3=4-2.5=1.5m

h4=4-1.5=2.5

Since speed of efflux is directly proportional to height. More the vale of h more will be speed of efflux. So on calculations, hole at 3m will have the greatest speed of efflux.

Therefore,  hole at 3m will have the greatest speed of efflux.

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Let's consider the given terms ~

(Acceleration is negative bbecause train slows down)

(final velocity is 0, because train stops)

Now, let's find the time taken (t) by using the first equation of motion ~

The train will take 10 secs to stop,

Now, let's find how much distance (s) it will cover before it stops using second equation of motion ~

It will cover 500 meters before coming to rest ~

Answer:

Mechanical energy is the energy a substance or system has because of its motion. For example machines use mechanical energy to do work.

Answer:

C

Explanation:

Fusion and fission are similar in that they both release large amounts of energy. Nuclear fusion is a process in which two nuclei join to form a larger nucleus. Nuclear fission is a process in which a nucleus splits into two smaller nuclei.

Answer:

6.5

Explanation:

Because 1.5+5=6.5

Answer:

(B) B is travelling fastest

Explanation:

slope of xt graph = speed.

Slope of B is greater than a and c.

BRAINLIST PLS

Answer:

At STP,

1 mole of oxygen occupies 22.4litres.

∴ 0.1 mole of oxygen will occupy = 0.1 × 22.4

= 2.24 litres.

Thus, the volume occupied by 0.1 moles of CO

2

at STP is 2.24 L

The formation and operation of prisons, as well as inmates' rights, are governed by federal and state regulations. Although prisoners may not have full constitutional rights, the Eighth Amendment's restriction on cruel and unusual punishment protects them.

There are many reasons actually...

◇ Clayey soil is easy to mould than the other soils.

The other soils (like sandy soil & loamy soil) are grainy or dry in nature & cannot be moulded. In the ancient times, when technology & the know-hows were still not introduced, people used clayey soul to make earthern pots to store stuff. This practice still continues even today.

◇ It keeps water cool.

Ever wondered why water stored in the earthenware remains cool even on a sunny day? It's because the heat required for evaporation is taken from water inside the pot & thus it cools the water stored inside.

◇ Clayey soil is also moist, durable, more plastic like & easy to retain making it ideal for potters to make earthenware.

__________

Clay soil is used to make earthenwares because, clay can be easily molded to desired sizes and shapes. Clay absorbs water moiety and make the pot very cool inside.

Clay is a type of soil made by the sedimentation process near water resources.  They are rich in minerals. Clay is rich in silicates and intermolecular force in the soil is comparatively less and can be easily molded any shape and size.

When clay is fired to a high enough temperature, the glass-forming materials in the ceramic form a liquid glass. This glass bridges the gaps between the clay particles. As the pottery cools at the end of the firing process, the glass between the clay particles solidifies again.

Clay pots make the water cooler inside. Hence, clay is used to make earthen wares.

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Answer:

Refer to the attachment

Answer:

weight

Explanation:

weight depends on gravity

Answer:       If you let a helium balloon go, and if, as it rises, it stays at a constant temperature, the volume of the balloon will. The magnitude of the buoyant force is equal to the weight of the amount of fluid that has the same total volume as the object.

If you let a helium balloon go, it rises, it stays at a constant temperature, the volume of the balloon will increases.

A measurement of three-dimensional space is volume. Several imperial or US customary units, as well as SI-derived units (such the cubic meter and liter), are frequently used to quantify it quantitatively (such as the gallon, quart, cubic inch). Volume and length (cubed) have a symbiotic relationship.

The density for helium remains lower than that of air, therefore when the balloon is inflated with that as well, it rises. The atmosphere's pressure continues to drop as it rises, which causes the internal pressure to rise. The balloon's volume of the balloon will increase.

Therefore, the volume of the balloon will increase.

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Answer:

Space junk, or space debris, is any piece of machinery or debris left by humans in space. It can refer to big objects such as dead satellites that have failed or been left in orbit at the end of their mission. It can also refer to smaller things, like bits of debris or paint flecks that have fallen off a rocket.

Answer:

In addition to derelict man-made objects left in orbit, other examples of space debris include fragments from their disintegration, erosion and collisions or even paint flecks, solidified liquids expelled from spacecraft, and unburned particles from solid rocket motors. Space debris represents a risk to spacecraft.

Explanation:

Answer:

The work you did in climbing the stairs is the force you applied (your weight) times the distance you moved upward (the height of the stairs.) So yes, climbing stairs is work done.

Explanation:

Hope this helped, nya~ :3

Answer:

d. ice

Explanation:

Answer:

The correct answer is C. Ice, you know, since it's so slippery. lol

pls give brainliest

Answer:

Explanation:

I dont understand what its saying .....?

Answer:

cuz model clay float

Explanation:

yeah

Answer:

C

Explanation:

The attractive force of their magnetic fields is greatest at the poles. Option B is correct.

Earth's magnetic field is similar to that of a bar magnet in that both have north and south poles. The magnetic field lines of both Earth and a bar magnet originate from the north pole and loop around to the south pole. The magnetic field lines are most concentrated and the attractive force is strongest near the poles of both Earth and a bar magnet.

At the poles, the magnetic field lines are densely packed and closely spaced, leading to a stronger magnetic force. This is why compass needles, which align with Earth's magnetic field, point towards the magnetic north pole.

The statement about electric current causing them to lose magnetism (option D) is not accurate. Electric current can actually create magnetic fields, as seen in electromagnets. Earth's magnetic field is generated by the movement of molten iron in its outer core, not by electric currents in the conventional sense.

In summary, option B is the correct answer as it accurately reflects the similarity in the distribution of magnetic field lines and the strength of the attractive force near the poles for both Earth and a bar magnet.

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Answer:

1.D 2.A 3.A 4.B 5.C 6.A 7.A 8.A

Explanation:

Answer:

Question one is: kinetic energy

Question two is: tin

Question three is: zinc

Question four is: compression stroke

Question five is: second law of thermodynamics

Question six is: Convection

Question seven is: refrigerater

Explanation:

The next page called use vocabulary

the answers:

Question twenty three is: Heat engine

Question twenty four is: Thermodynamics

Question twenty five is: solar collector

Question twenty six is: specific heat capacity

Question twenty seven is: a conductor

Question twenty eight is: it's total energy increasing

Question thrity is: internal combustion engine

Question thrity one is: Exhaust stroke

Question thrity two is: plastic

Question thrity three: I don't know this one sorry!

Question thrity four is: Temperature

Question thrity five is: Heat

Hope his helps!!! <3

Explanation:

A) kinetic energy

B) potential energy

C) Mechanical energy

a) The motorcyclist rises utilising chemical energy's "mechanical energy" (kinetic and potential energy). b) The cyclist's highest "gravitational potential energy" is transformed into motion downhill. c) When the rider moves downhill, potential energy becomes "kinetic energy." "Kinetic energy" is most vital.

a) "Mechanical energy" is used by the cyclist to ride up the slope. Kinetic and potential energy from an object's motion and position make up mechanical energy. As they pedal, cyclists transform chemical energy from their bodies into mechanical energy. This mechanical energy overcomes gravity as the cyclist climbs. As the cyclist climbs, potential energy accumulates, which is translated into kinetic energy as they descend.

b) At the summit of the slope, the biker has "gravitational potential energy." An object's gravitational potential energy depends on its position in a gravitational field. The biker has gained potential energy by climbing against gravity. At the crest of the hill, the cyclist's kinetic energy is lowest while potential energy is highest. The cyclist's potential energy is ready to be turned into kinetic energy as they descend.

c) Without pedalling, the rider gains "kinetic energy." The cyclist's speed increases as they descend, converting potential energy into kinetic energy. The cyclist's potential energy is turned into kinetic energy by gravity. As the rider descends, their potential energy diminishes but their kinetic energy increases, speeding up their bike. The biker converts potential energy into kinetic energy as he descends, and most of it is converted back at the bottom.

In conclusion, the cyclist climbs the incline using "mechanical energy" from chemical energy. They descend using "gravitational potential energy" at the top. Potential energy becomes "kinetic energy" when the rider descends without pedalling, speeding up the bike. Potential-to-kinetic energy conversion helps the cyclist climb the slope.

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Answer:

i can't tell which is left and right

Explanation:

Answer:

1. gravitational force = described as a field

2. Newton's First Law = a spacecraft cruising at v = constant with its rockets shut down

3. Copernican system =  an example of a heliocentric system

4. Kepler's First Law = the physical law that states that planetary orbits are ellipses

5. Kepler's Second Law = the physical law that states that equal areas are swept out in equal times

6. centripetal force = gravitational force that keeps planets in orbit

7. Kepler's Third Law = the physical law that states that R3\T2 = K for a system

8. geocentric system = the model of a planetary system that has the earth at the center

9. Newton's Third Law = the physical law nicknamed "action-reaction"

10. Newton's Second Law = the physical law that relates acceleration to net force

Answer:

Speed can be defined in (C) distance / time.

I hope this helped at all.

Answer: earthquakes and volcanoes

Explanation:

Answer:

Gamma-rays are produced primarily by four different nuclear reactions; fusion, fission, alpha decay and gamma decay.

The type of process that can emit gamma - rays is nuclear reaction processes.

A nuclear reaction is a type of reaction in which two nuclei collide to produce one or more new nuclides and release energy in the process.

Examples of nuclear reactions;

Each of the nuclear reaction above can emit gamma - rays.

Thus, the type of process that can emit gamma - rays is nuclear reaction processes.

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Answer:

72n

Explanation: