PLS HELP! 98 POINTS
The diagram below shows three plates (A, B, C). Plate B is denser than Plates A and C.
A continent is shown on Plate C, along with seafloor. The other plates are entirely seafloor. The arrows show the directions that the plates are moving.
Complete the table. First, note the geologic feature(s) that corresponds to each number on the map. Then explain in detail how the plate movements at each location account for the
features at that location.

Number on Map Feature(s) Explanation
1 islands
2 trench
3 rift valley
4 trench
5 volcanoes and mountains

Historically, the correct choice is C.

B. The gravitational force is much larger than the electrical force for any distance between the particles.

The gravitational force is much larger than the electrical force for any distance between the particles. Then the correct option is B.

The force of attraction between two charges, according to Coulomb's law, is directly proportional to the product of the charges and inversely proportional to the square of the distance between them.

The electrical force between the masses,

[tex]\rm F_e = k\dfrac{q_pq_n}{r^2} \\\\\ F_e= 9 \times 10^ 9 \times \dfrac{1.61 \times 10^{-19} \times 0 }{r^2} \\\\ F_e = 0 \ N[/tex]

The gravitational force between the masses is,

[tex]\rm F_g = G \dfrac{m_pm_n}{r^2} \\\\ F_g = 6.67 \times 10^{-34}\times \dfrac{1.673 \times 1.675 }{r^2} \\\\ F_g =\dfrac{ 1.869 \times 10^{-33}}{r^2} \ N[/tex]

From the above calculation, observed that the gravitational force is much larger than the electrical force for any distance between the particles.

Hence the correct option is B.

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Answer:

   Power rating on the blender = 3809.52 Watts

Explanation:

   We have expression for power equal to ratio of work and time,

   Energy used by blender = Work done by electricity = 0.8 MJ = [tex]0.8*10^6J=800000J[/tex]

   Time of using blender = 3.5 minutes = 210 seconds

   So power of blender = 800000/210 = 3809.52 Watts

   Power rating on the blender = 3809.52 Watts

Your answer is B. 1.53 m/s towards the beach.

110/72 = 1.52777 and then you round it to 1.53  :)

Final answer:

When the speed of electrons striking the anode of an x-ray tube increases, the energy of the emitted x-rays increases.

Explanation:

This happens because as electron speed (and consequently their kinetic energy) increases, upon interacting with the anode material, they are decelerated and their kinetic energy is converted into electromagnetic energy in the form of x-rays.
The relationship between accelerating voltage and the maximum x-ray energy is given by the equation Emax = h fmax = qe V, where h is Planck's constant, fmax is the maximum frequency, qe is the charge of an electron, and V is the accelerating voltage.

As the filament voltage increases, which accelerates the electrons towards the anode, the emitted x-rays have higher energy, and therefore a higher frequency.

Answer: The correct answer is option D.

Explanation:

It is given that line CD is bisecting the side AB in triangle ABE

and AE = BE

Bisecting a line segment means that diving a line segment into two equal parts. So, when CD bisects side AB at point G it means that:

AG = BG

Hence, the correct answer is option D.

CD bisects AB at point G. If AE = BE, this equation must be true is D.AG = BG.

Bisector cuts something in 1/2 of. An attitude bisector is a line that cuts a given attitude in 1/2 of. The perpendicular bisector of a line phase is the road that cuts the given phase in 1/2 of and is at proper angles to it.It is for this reason that line CD is bisecting the facet AB in triangle ABE.

Bisecting a line phase method that diving a line phase into  same parts. So, whilst CD bisects facet AB at factor G it method that:AG = BG.and AE = BG

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The box slows steadily until it stops.

Let us understand why this should be the case.

We know that the Tension Force in the rope is greater than Friction and hence is responsible for accelerating the box.

As soon as the rope breaks, the Tension Force becomes 0 and the box is left with only the Friction acting on it.

Since the friction takes over immediately, the box begins to slow down at a steady pace until it stops completely.

Following the breaking of the rope, the box continues with the speed it had at that moment. The box then slows down due to the unopposed force of friction and eventually halts.

In the given scenario, a box is pulled to the right over a rough surface with a force t that is greater than the friction force f.k. This indicates that the box is accelerating to the right. When the rope breaks, the force t acting on the box suddenly becomes zero. However, the force of friction f.k still acts on it. This force f.k, previously balanced by t, now unopposed, slows the box down by acting opposite to its direction of motion. Therefore, the box continues with the velocity it had when the rope broke, slows down steadily due to friction until it eventually stops.

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control which layer is the emitter  and change the dopants in the transistor are fixed in a transistor and cannot be changed or controlled.

transistor is made of silicon which is a semiconductor. it consists of two diodes which can act as a conductor and insulator. so the answer is:

-  control its own semiconductance

- act like an insulator

- act like a conductor

Final answer:

A transistor in a circuit can act like a conductor when the base is forward-biased, allowing current to flow. It can also act like an insulator when the base is reverse-biased, preventing current flow. The characteristics of a transistor such as dopant levels and emitter layer are fixed during manufacturing and are not changeable during operation.

Explanation:

A transistor is a semiconductor device used to amplify or switch electronic signals. A typical junction transistor consists of three parts: the emitter, the base, and the collector. The transistor can control its own semiconductor and act like a conductor or an insulator. Here's what a transistor can do in a circuit:

It doesn't change the dopants in the transistor or control which layer is the emitter, as these characteristics are determined during the manufacturing of the transistor and are not changeable in operation.

Transistors are essential components in integrated circuits (ICs) and are found in nearly all modern electronic devices. They are the basis of digital circuits that use binary code for processing information.

As per Doppler's effect of sound we know that when source and observer moves with some relative velocity with respect to each other then the frequency of sound that observer will hear is different from the actual frequency of sound and it is known as Doppler's effect.

So here when relative motion of bike is towards the observer the frequency is given by

[tex]f = f_0*\frac{v}{v-v_s}[/tex]

so the frequency heard by the observer will be more than actual frequency in this case

So now when relative motion of bike is away from the observer the frequency is given by

[tex]f = f_0* \frac{v}{v+ v_s}[/tex]

from above equation we can say that in this case frequency heard by observer will be less than actual frequency

The relative motion of a motorcycle affect the frequency of the sound heard by an observer on the sidewalk as, the motorcycle approaches the observer, the frequency increases. When the distance decreases between the source of the sound and an observer then, the vibrations or sound level increases and if, it moves farther apart the frequency decreases. Therefore, the relative motion affects the frequency of the sound.

A continued schedule of reinforcement (CRF) happens when reinforcement  is delivered after each and ever single targeted behavior

While a intermittented schedule of reinforcement (INT) is when reinforcement is delivered after only a few behaviors or responses not after each and every single one

Continuous reinforcement and intermittent reinforcement differ as follows:

In continuous reinforcement, each and every emission of the target behavior always receives reinforcement.

That is, each time the desired or studied behavior is carried out, it will result in the arrival of the reinforcer.

In the case of intermittent or partial reinforcement, only some of the times that the behavior is carried out is a reinforcer received, so that not every time we do the behavior we will get a reward.

Therefore, we can conclude that in intermittent reinforcement the behavior of the person is only reinforced on certain occasions and in continuous reinforcement the person is constantly rewarded for an action or behavior.

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Scientific hypotheses cannot be proven to be true but can be strongly supported by evidence.

Hypotheses in science cannot be proven to be true with absolute certainty because scientific knowledge is always subject to revision and refinement based on new evidence. However, we can provide strong evidence supporting a hypothesis through experimentation and observation. Scientific theories are formed when a hypothesis has been extensively tested and supported by a large body of evidence. Such theories serve as the most accurate explanations for natural phenomena and are considered to be highly reliable.

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An area where the particles in a medium are spaced close together is called compression.

Answer : Compression

Explanation :

An area where the particles in a medium are spaced close together is called a compression. In this region the particles are very close to each other.

In the attached figure, the rarefaction and compression is shown very clearly. In rarefaction, the particles of medium are very far apart form each other.

The distance between two consecutive compression and rarefaction is called the wavelength of wave.

So, the compression is the area where the particles are close to each other.

False, that would be kinetic energy.

friction ... brake pads to road wheels

The answer is velocity

Answer: Speed.

Explanation :

It is given that if an object is said to be moving at 10 m/s due north. In this case, the velocity of an object is given. It has both magnitude and direction as well.

Velocity is a vector quantity. 10 m/s is the magnitude of velocity and it is moving towards the north direction.

We know that the sped of an object is the total distance covered divided by the total time is taken. It is a scalar quantity.

So, 10 m/s shows the speed of an object.

Find the velocity of the object after one second.  

v = vo + at  

v = (0 m/s) + (9.8 m/s^2)(1 s)  

v = 9.8 m/s  

Now, using that, you can find the displacement in that one second between 1 and 2.  

d = vot + (1/2)at^2  

d = (9.8 m/s)(1 s) + (1/2)(9.8 m/s^2)(1 s)^2  

d = 14.7 m  

Answer: In 1.0 s , Displacement = 4.9 m

               In 2.0 s, Displacement = 19.6 m

Explanation: Using formula for equation of motion

[tex]h=u\times t + \frac{1}{2}\times g\times t^{^{2}}[/tex]

Initially , u= 0 m/s , t= 1.0 s and g=9.8 [tex]\frac{m}{s^{2}}[/tex]

Therefore [tex]h_1= 0 + \frac{1}{2}\times 9.8\times 1^{2} m = 4.9 m[/tex]

In Case t=2.0 s

[tex]h_2= 0 + \frac{1}{2}\times 9.8\times 2^{2} m = 19.6 m[/tex]

D. Uranium

Hope this helps :)

Answer:

It is Uranium.

Option (D)

Explanation:

Uranium is a radioactive substance.

When uranium is bombarded with neutrons it emits very large amount of energy along with some stable substances. The energy emitted s called nuclear energy.

The reaction is given by

Explanation :

(a) The distance between two consecutive crests or troughs is called wavelength of a wave. It is denoted by [tex]\lambda[/tex]

The number of vibrations produced per second is called its frequency. It is denoted by [tex]\nu[/tex].

We know that the distance covered per unit time is called the speed of the wave i.e.

[tex]s=\dfrac{d}{t}[/tex]

The distance covered by the wave is [tex]\lambda[/tex]. So,

[tex]s=\dfrac{\lambda}{T}[/tex]

We know that T is the time period of the wave and the relation between the frequency and the time period is [tex]\nu=\dfrac{1}{T}[/tex]

So, [tex]speed=wavelength\times frequency[/tex]

So, the correct option is (b).

(b) Human ear consists of the outer ear, middle ear, and inner ear.

Middle ear amplifies the vibrations from the sound waves. It consists of three bones namely hammer, anvil and stirrup. The amplification of sound waves takes place many times by these bones.

So, the correct option is (c).

Ok srry bout last time but the answer is A) kelvin: time the reason is because everything else is a SI. Hope this helps and TURTLE

The answer choice that is a part of the interphase is A. S phase.

Interphase is the stage of the cell cycle that prepares the cell for division and is divided into three phases: G1, S, and G2.

During the S phase (synthesis phase), DNA replication occurs, meaning the cell's genetic material is duplicated in preparation for cell division.

Hence, it can be noted that the other answer choices are not a part of interphase as the S phase is the synthesis phase that helps prepare the cell for division

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Final answer:

The part of interphase related to chromosome duplication is the S phase. Interphase, which includes the S phase, is separate from mitotic stages like anaphase and telophase and the cell division process of cytokinesis.

Explanation:

The part of interphase that involves the replication of DNA is known as the S phase. Therefore, the answer is A. S phase. Interphase consists of three main stages in the cell cycle: the G1 phase, S phase (synthesis phase), and G2 phase. During the S phase, the chromosomes are duplicated, ensuring that each new cell will have a complete set of chromosomes after cell division.

Interphase is distinct from the stages of mitosis, which include prophase, metaphase, anaphase, and telophase. Finally, cytokinesis is the process where the cytoplasm divides, forming two separate cells.

In contrast to interphase, anaphase is a stage of mitosis where sister chromatids are separated and pulled to opposite poles of the cell. Telophase is the stage when the chromosomes begin to decondense, and new nuclear envelopes start to form around the daughter nuclei. Cytokinesis, while often occurring concurrently with telophase, is considered a separate process from mitosis and is not part of interphase.

C) Y is the strongest point in the electric field.

Answer: At Y electric field is strongest.

Explanation :

The space around a charged particle in which the effect of the electric force is experienced is called electric field.

The electric field lines are the imaginary lines. The field lines for the positive charge is outwards and for negative charge, it is inwards.

The field lines are strongest at the point where the field lines are compact or very close.

In this case, the electric field is strongest at point Y.

Hence, the correct option is (c) " point Y ".

Answer:

It must be moving at a constant speed

Explanation:

When an object move in a circular path, its motion is called uniform circular motion. The object moves with constant speed but the direction always changes. We know that the rate of change of velocity is called acceleration of the object.

In circular motion, the centripetal acceleration act towards the center of circle. The force acting on the object is called centripetal force. It is given by :

[tex]F_c=\dfrac{mv^2}{r}[/tex]

Hence, the statement that is true about an object to be in uniform circular motion is (C) " It must be moving at a constant speed".

The following must be true about an object for it to be in uniform circular motion C. It must be moving at a constant speed.

In uniform circular motion, an object travels in a circular path at a constant speed, but its velocity is not constant because the direction of the velocity is constantly changing.

The centripetal acceleration is directed toward the center of the circle and is responsible for keeping the object in its circular path, but the object's speed remains unchanged.

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v = 18cos48 m/s  

So time = distance/speed  

= 28/18cos48  

= 2.3247413  

Resolving vertically, now use s = ut + (0.5)a(t^2)  

Where s is the unknown distance (the height above the GROUND)  

u is initial (vertical) speed = 18sin48  

a = -9.8 m/s (negative since we take upwards as positive)  

t = 2.3247... (what we found previously)  

Putting the numbers into the formula gives 4.616126809  

Take away the height of the goalpost (3.05) = 1.566126809  

= 1.57m above the crossbar.

hope this helps :)

We have that the  vertical distance the ball clear the crossbar is

x=1.795

From the question we are told

Generally the  equation for the t  is mathematically given as

[tex]t=\frac{d}{vcos\theta}\\\\t=\frac{28}{18cos48}\\\\t=2.3sec[/tex]

Generally the Newtons equation for the distance  is mathematically given as

[tex]s=uyt+1/2at^2\\\\s=18sin48*(2.3)-\frac{9.8}{2}*(2.3)^2\\\\s=4.845[/tex]

Therefore

The Distance clear will be

[tex]x=s-3.05\\\\x=4.845-3.05[/tex]

x=1.795

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Answer: Atmosphere and geosphere.

Geo-sphere is the solid part of the earth. Hydrosphere is the water part. The living things on the earth make up the biosphere. The gases, water vapors etc make up the atmosphere. When a volcanic eruption adds carbon dioxide to the air, the carbon-dioxide is being added from geosphere to the atmosphere. Hence, there is interaction between atmosphere and geosphere.

Autrotrophs obtain their energy from the sun

Biology

All living things have. Organs

Answer:

Q1: A heterotroph can obtain its energy by consuming another autotroph or a heterotroph.

Q2: Biology.

Q3: All living things are made up of one or more cells.

Q4: They are all organisms.

Q5: The population will most likely die out since most of the eggs are usually eaten and destroyed.

Q6: Appropriate environment.

Q7: They are both ways organisms maintain homeostasis.

Q8: Homeostasis.

Q9: Species

Q10: Dichotomous key.

Q11: Carolus Linnaeus

C. Magnetism

Very few minerals are magnetic, while streak hardness and specific gravity can be used to identify lots of minerals

If force is applied at 30 degree with the horizontal

then first we will find the components of force in two directions

[tex]F_x = 20 cos20[/tex]

[tex]F_y = 20 sin30[/tex]

now we can find normal force by balancing the forces in Y direction

[tex]F_n + Fy = mg[/tex]

[tex]F_n + 20 sin30 = 3*10[/tex]

[tex]F_n + 10 = 30[/tex]

[tex]F_n = 20 N[/tex]

now since block is moving with constant speed

so here forces along horizontal plane will be balanced also

[tex]F_x = F_f[/tex]

[tex]F_f = 20 cos30[/tex]

[tex]F_f = 17.3 N[/tex]

Now the weight of the box is defined as

[tex]W = mg[/tex]

now plug in all values

[tex]W = 3*10 = 30 N[/tex]