which cell structure is responsible for taking in and breaking down foreign particles and damaged organelles?

Answer:

35.72 m

Explanation:

Given:

v₀ = 0 m/s

a = 9.8 m/s²

t = 2.7 s

Find: Δx

Δx = v₀ t + ½ at²

Δx = (0 m/s) (2.7 s) + ½ (9.8 m/s²) (2.7 s)²

Δx = 35.72 m

Thermoelectric generator is the method by which an electrical potential developed in generators and thermocouple.

Explanation:

Answer:

Electric generators develop an electric potential via magnetic induction. Moving a conducting rod through a magnetic field that exists between the poles of a horseshoe magnet causes an electric potential to be set up in the rod. Free electrons move through this rod from one end to the other for as long as movement of the rod is maintained. The direction of this movement depends on whether the rod is moved across the lines of force in the magnetic field in either the opposite direction or the same direction. Generators usually consist of multiple conductors mounted on a cylinder that rotates in a magnetic field.

Thermocouples utilize heat to develop an electric potential. Two strips of different metals are connected at one end to form a junction and the other ends are kept apart. A heat source is applied to the junction; this causes each metal strip’s temperature to rise at the junction. The free ends aren’t as hot and electric charges are produced at these free ends. Because the strips consist of different materials, there's a difference of potential between these free ends; when connected by a conducting wire, the electrons can move through the pathway. The voltage that's produced will become greater as the difference in temperature between the free ends and the junction increases.

Answer: C

Explanation:

Energy stays the same, but there’s more kinetic energy the less it moves and mor kinetic energy the more it moves

The conservation of energy allows us to find the correct answer for how the change in mechanical energy is:

    C. stays the same, but is converted between potential and kinetic energy.

The mechanical energy of bodies is the sum of the kinetic energy due to motion and the potential energies due to the configuration of the system.

If there is not friction in the system, that is, there are no dissipative forces, the mechanical energy must be conserved at all points, this is one of the important conservation laws of physics.

When applying this theorem to the case of the car moving, the energy is converted from potential to kinetic, on the path from A to B and is transformed from kinetic to potential on the path from B to C, but the total value of the mechanical energy remains constant.  

Let's analyze the different claims:

A. False. The stable energy conservation theorem that must be constant at all points.

B. False. Must be constant.

C. True. According to the analysis, the mechanical energy is constant and transforms between potential and kinetic.

D. False. As there is no friction, the energy is not lost.

In conclusion using the conservation of energy we can find the correct answer for the transformation of mechanical energy is:

      C. Stays the same, but is converted between potential and kinetic energy.  

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The answer is: B.

speeds above 343 m/s.

:)

Supersonic speeds is speed which is above 343. Hence option B is correct.

Speed is a rate of change of distance with respect to time. i.e. v=dx÷dt. Speed can also be defined as distance over time i.e. speed= distance ÷ time. It is denoted by v and its SI unit is m/s. it is a scalar quantity. Speed shows how much distance can be traveled in unit time.

To find dimension for speed is,

from formula Speed = Distance ÷ Time

Dimension for distance is [L¹] ,

Dimension for Time is [T¹],

Dividing dimension of distance by dimension of time gives,

[L¹] ÷ [T¹] = [L¹T⁻¹]

Dimension for speed is [L¹T⁻¹].

Supersonic speed is the speed of an object that is above the speed of sound. For objects traveling in dry air of a temperature of 20 °C. Speed of the sound is 343 m/s in dry air.

Hence Option B is correct.

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It can be used to clean small items like jewelry

It can be used to clean large items like machinery

Statements 2 and 3 accurately describe the uses of ultrasound technology.

It is a widely used technology in all fields.

Diagnostic ultrasonography, commonly known as sonography is an imaging technique that produces pictures of inside body structures using high-frequency sound waves.

The pictures can aid in the diagnosis and treatment of a wide range of illnesses and ailments.

The ultrasound wave helps in the following applications;

1. It can be used to clean small items like jewelry.

2. It can be used to clean large items like machinery.

Hence statements 2 and 3 accurately describe the uses of ultrasound technology.

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Answer:

The population will increase because grasshoppers are the prey.

Explanation:

If there has been a significant decrease in the praying mantis population in recent years. This most likely affect the grasshopper population over time by the population will increase because grasshoppers are the prey. If there is less praying mantis then grasshoppers won't be eaten as much so the population of the grasshoppers will thrive

Answer:

The population will increase because grasshoppers are the prey.

Explanation:

Answer:

Belgium

France

Luxembourg

Explanation:

These are the ones that are in the High Productivity chart, but not in the HDI chart

The countries have high productivity, but are not among the top 10 for human development are Belgium, France and Luxembourg.

Productivity is the making the maximum use of any product or time or machine.

The ones that have high productivity, but not in the human development chart are Belgium, France and Luxembourg.

The productivity is also achieved by the humans, but what if human is not developing.

Productivity and human development must be on the same balance for any country.

Thus, correct options are  Belgium, France and Luxembourg.

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Answer:

planet y

Explanation:

Answer:

y

Explanation:

Answer:

1.27 s

Explanation:

throwing keys are dangerous

Answer:

40N

Explanation:

F=ma

F= 5 × 8 = 40N

.......

Answer:

The revolution of the earth around the sun and the tilt of the earth's axis cause the changing of the seasons.

Explanation:

The Earth's rotation causes day and night, while its revolution causes seasons. This happens due to how the rotation exposes different parts of the Earth to the sun, and how the tilt of the Earth's axis during revolution causes varying sunlight exposure.

The rotation of Earth on its axis causes day and night. This astronomical phenomenon happens because as the Earth rotates, different parts of it are exposed to the Sun's light, creating the cycle of day and night. On the other hand, the revolution of the Earth around the sun causes the seasons. As the Earth orbits the Sun, the tilt of our planet's axis causes different parts of the Earth to receive varying degrees of sunlight throughout the year, which results in the changes in weather conditions we know as seasons.

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Answer:

magnetic, gravity, electrostatic all are field forces

Explanation:

help this help! :)

Among the options provided, both magnetic force and electric force are examples of field forces. Thus, option 1 and 2 is correct.

Magnetic force arises due to the interaction between moving charges or magnetic dipoles in a magnetic field. It is responsible for phenomena such as the attraction or repulsion between magnets, the operation of electric motors, and the behavior of charged particles moving through magnetic fields. Magnetic fields are produced by moving charges or currents, creating a force that acts on other moving charges within the field.

Electric force, similarly, arises from the interaction between charged particles within an electric field. This force is responsible for the attraction or repulsion between charged objects, the operation of devices like capacitors, and the behavior of charged particles in electric fields. Electric fields are created by static charges or changing magnetic fields, exerting a force on other charged particles within the field.

Both magnetic and electric forces are examples of field forces because they are transmitted through fields (magnetic or electric fields, respectively) and act at a distance without direct contact between the interacting objects. Conversely, normal force and gravitational force are contact forces, as they require physical contact between objects to manifest.

C. Thick wire and cold temperature.

Explanation:

The resistance of a wire is given by:  R = (ρL)/A

where ρ is the resistivity of the material, L is the length of the wire, A is the cross-sectional area of the wire.

From the formula, we see that the thicker the wire, the larger A, therefore the smaller the resistivity. so, a thick wire will have lower resistivity.

Moreover, the resistance of a wire increases with the temperature. In fact, high temperatures mean more motion of the atoms/electrons inside the wire, so more resistance to the flow of current through it. Therefore, colder temperature means lower resistance.

So, the correct option is thick wire and cold temperature.

Answer:

C. Thick wire and cold temperature.

Explanation:

Answer:

kinetic energy depends on both positive and negative energy

Explanation:

Answer:

Kinetic energy depends on both speed and time

Answer:

A charged battery that is NOT part of a circuit is an example of potential energy.

Answer:

The fundamental law of magnetism states that like poles repel and unlike poles attracts each other

North and South = attraction

South and North = attraction

Explanation:

What are magnetic poles?

The magnetic poles are the two points at The end of a magnetic bar in which the magnetic properties are most pronounced.

When two opposite magnetic poles are close, they attract each other. When like poles are pushed together, there is a force of repulsion. The rule for magnets is that like poles repel and unlike poles attract.

Answer:

C.) Set C

( It says unlike poles)

Answer:

a body is projected harizontally with a velocity of 25m/ s of a tower for high caculate 1 the time of flight 2 the harizontal range 3 the velocity with which it lit the ground

Answer:

[tex]|M_y| = 170.82 \ N.mm[/tex]

Explanation:

From the diagram affixed below completes the question

Now from the diagram; We need to resolve the force at point  A into (3) components ; i.e x.y. & z directions which are equivalent to [tex]F_x \ , F_y \ , F_z[/tex]

So;

[tex]F_x[/tex] = positive x axis

[tex]F_y =[/tex] Negative y axis

[tex]F_z[/tex] = positive z axis

Then;

[tex]|M_x| = F_y *27-F_z*11 = 77 ----- equation(1) \\ \\ |M_z| = F_y*4 - F_x*11 = 81 ---- equation (2) \\ \\ |M_y| = F_x *27 - F_z *4 = ? ---- equation (3)[/tex]

From equation (1); Let's make [tex]F_y[/tex] the subject of the formula ; then :

[tex]F_y = \frac{77+11F_z}{27}[/tex]

Substituting  the value for [tex]F_y[/tex] into equation (2) ; we have:

[tex](\frac{77+11F_z}{27})4-F_x*11=81 \\ \\ 11(\frac{7+F_z}{27} ) 4- F_x -11 =81 \\ \\ 28+4 F_z - 27F_x = \frac{81*27}{11} \\ \\ 4F_z - 27F_x = 198.82 -28 \\ \\ 4F_z - 27F_x = 170.82 \\ \\ Since \ |M_y| = 4F_z-27F_x \\ \\ Then: \\ \\ \\ |M_y| = 170.82 \ N.mm[/tex]

Answer:

got this on google and got it right

Explanation:

An example of inductive logic is, "The coin I pulled from the bag is a penny. ... Even if all of the premises are true in a statement, inductive reasoning allows for the conclusion to be false. Here's an example: "Harold is a grandfather. Harold is bald.

Inductive reasoning is when someone observes data, recognizes patterns within these observations, and then draws a conclusion on these observations that they found.

Let's look at an example.

A 12-oz. coke bottle exploded after an hour in the freezer.

A second 12-oz. coke bottle exploded after an hour in the freezer.

The reasoning that was used here was inductive reasoning.

Although we might want to test a few more 12-oz. coke bottles, we can tentatively conclude that all 12-oz. coke bottles will explode after an hour in the freezer.

Since were using oneservations and recognizing patterns to draw a

conclusion, our conclusion is based on inductive reasoning.

1 electron's charge = -1.602 x 10⁻¹⁹ Coulomb

890 electron charges = (890)·(-1.602 x 10⁻¹⁹ C) = -1.426 x 10⁻¹⁶ C

Answer: Newton's law of universal gravitation is usually stated that every particle attracts every other particle in the universe with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers

Answer:

Newton’s law of gravitation, statement that any particle of matter in the universe attracts any other with a force varying directly as the product of the masses and inversely as the square of the distance between them.

Answer:

I think that the answer is B